fredmiranda.com
Login

Moderated by: Fred Miranda
Username  

  New fredmiranda.com Mobile Site
  New Feature: SMS Notification alert
  New Feature: Buy & Sell Watchlist
  

FM Forums | Canon Forum | Join Upload & Sell

       2       end
  

Transition from NIkon (DSLR) to Canon - Good move?

  
 
GreenHaven
Offline

Upload & Sell: Off
p.1 #1 · Transition from NIkon (DSLR) to Canon - Good move?


Transition from utilizing Nikon gear to Canon?

Background: Bordering on becoming an elderly Nikon shooter (since at least 2009) bird photography emphasis (since 2014) Cameras owned include the D90, D-800, D810 and D-850 (D-850 owned for 6.5 years and currently. Wife is dead set against buying used. No experience with mirrorless. Local retail chain is having their twice annual “sale/expo” in 2 days. Prices are sky high, no thanks to tariffs, inflation, corporate greed and what I consider to be price fixing policies which is intentionally utilized to suppress competition between retailers and to unsure profit levels. Skill level: amateur plus to semi professional.

Under serious consideration: Canon EOS R5 Mk II with RF 100-500 mm

Needs:

a) Reliable, accurate, quick to both acquire, lock-down and maintain a rock steady focus.
b) Produce reasonable quality frames in lower light environments and situations.
c) Reasonably fast fps but not excessive as I am not making a movie nor willing to wade and hand select from a myriad of shots.
d) Not interested in its video capability at the moment. Subject to change.
e) Education in regards to improving on the factory settings in order to optimize the settings exclusively for bird photography.
f) Ensuring focus is sharp and the best it could possibly be. Can the focus be fine tuned or calibrated in camera?

Concerns:

a) Viable ISO achievable and ‘acceptable” noise levels without requiring extensive and time consuming editing especially factoring n my declining eyesight. At what threshold/point does ISO output deteriorate and become unusable? Numbers please, thank you.

b) I’ve read battery life can be short….. i.e. only a few hundred shots. Truth or inaccurate?

c) It’s been out there since August 2024 or so. Replacement in the works in the next year or two? Is the value going to nosedive anytime soon?

d) IBIS quality while handheld, especially for BIF since I am 65+, have limited arm strength and my hands are shaky when gear is elevated or otherwise pointed up.

Are some of this models features gimmicky or a real improvement over the original body? Online reviews seem to be all over the place.

a) What is pre-capture good at and what is it used for? What types of scenarios.

b) Is Eye Control effective or usable in meaningful way to the average user?

This may well be my last camera body and understandably I don’t want to regret the above purchase due to lack of knowledge or what to reasonably expect. Thanks for your patience in advance with a newcomer to the Canon world. All input, tips, pointers and responses most welcome!!



May 06, 2026 at 03:13 PM
RoamingScott
Offline
• • • • • •
Upload & Sell: Off
p.1 #2 · Transition from NIkon (DSLR) to Canon - Good move?


Canon cameras have non-negotiable noise reduction baked into the files, even at low ISOs. That means you're losing critical detail faster than other brands.

Why are you not looking at a Z8?



May 06, 2026 at 03:33 PM
garyvot
Offline
• • • • •
Upload & Sell: On
p.1 #3 · Transition from NIkon (DSLR) to Canon - Good move?


While I think what Scott says is correct, you should decide for yourself what real world impact that may have. The R5 II delivers good acutance to my eyes, regardless.

You can compare the RAW noise signature and acutance of the R5 II with the Z8 at various ISOs (and with EFCS and eShutter) using DPReview's image quality comparator tool:

https://www.dpreview.com/reviews/canon-eos-r5-mark-ii-review#IQ



May 06, 2026 at 03:57 PM
garyvot
Offline
• • • • •
Upload & Sell: On
p.1 #4 · Transition from NIkon (DSLR) to Canon - Good move?


Circling back, I think a lot of your questions could be answered by a thorough read through of the same review I just linked, particularly in the ways this camera differs from the R5.

A few comments from general experience:

- Battery life is shorter with mirrorless cameras than with DSLRs. That comes with the territory.
- As good as the D850 is, I think you will find AF on the newer systems to be remarkable, though you may have a learning curve
- I would not make a purchase decision based on eye-control focus. Even if it works for you, assume it will be applicable only in special cases. Also, the absolute need for it is abrogated, in my opinion, by how good the subject recognition and tracking algorithms are.
- I am not a pre-capture user, but there have been whole threads here on FM dedicated to that. It would be worth reviewing what people have to say
- Canon IBIS is as good as any out there, IMO, made better by the fact that many RF lenses also have excellent optical stabilization that works in harmony with the in-camera system. While it won't matter to you as a bird photographer, many of Canon's shorter zooms and primes are stabilized where competitor lenses are not

Having said all that, and my piece about RAW noise reduction, I also wonder why you not looking at the Z8...?



May 06, 2026 at 04:08 PM
EB-1
Offline
• • • • • • •
Upload & Sell: Off
p.1 #5 · Transition from NIkon (DSLR) to Canon - Good move?


In general I suggest people stay with what they have to use some of the older gear.
Although I used to mostly use Nikon, now I use mostly Canon and Sony. Nikon has some good teles, but many other things that don't work well for me. Ergos are old school.

I have captured hundreds of thousands of images with 100-500s and R5 IIs. The versatility of that combo is unmatched. I have used about six 100-500s and maybe 7 R5 IIs. The 100-500s have been very consistent. No problems except the removable tripod collar. The later ones are more robust and tighter.
Few will believe me, but I once obtained 14,743 frames with an R5 II and 100-500 on one battery in less than 3 hours and ~10°C conditions.

It doesn't matter whether Sony, Canon, or Nikon 45-61MP sensors, at high ISO you will want to use DXO, PS, Topaz for NR. You will find that the D850 was a head of it's time (side-back sensor) and you must be using some NR for that at high ISO, roughly in the ballpark of the MILS.

EBH



May 06, 2026 at 04:30 PM
RoamingScott
Offline
• • • • • •
Upload & Sell: Off
p.1 #6 · Transition from NIkon (DSLR) to Canon - Good move?


It's not hard to achieve 10-15k photos in a small span of time with a flagship shutterless stacked sensor camera, they all do that.


May 06, 2026 at 04:33 PM
snegron7
Offline
• • •
Upload & Sell: Off
p.1 #7 · Transition from NIkon (DSLR) to Canon - Good move?


As a former Nikon user, I have zero regrets having transitioned to Canon. I only have a R6II and an old 7dmk2 (plus a a couple of Sony's and micro four thirds outfits), but the colors and detail capture that I get with my Canon + entry-level, non-pro lenses are amazing!

As others have mentioned, AF on mirrorless cameras is like magic compared to even the best dslr's of yesteryear.

On the other hand, have you considered the idea of getting a Nikon Z8 or Z9 with an F/Z adapter to fit your older lenses on the newer body? With my Canon gear, my older EF lenses work perfectly on my R6II. I know that with Nikon you will lose AF functions of AF-D lenses adapted to Z bodies (main reason why I switched to Canon to begin with). Mayby try renting out a Z body with F to Z adapter to see if that might work better for you.



May 06, 2026 at 08:13 PM
crisdesign
Offline
• •
Upload & Sell: Off
p.1 #8 · Transition from NIkon (DSLR) to Canon - Good move?


And which lenses would you use? Pretty much any mid tier mirrorless camera meets your requirement, especially if you are used to dslrs.
Unless you really want to use some canon glass like 100-500 or 100-300 i would stay with nikon.



May 07, 2026 at 12:41 AM
Z250SA
Offline
• • •
Upload & Sell: Off
p.1 #9 · Transition from NIkon (DSLR) to Canon - Good move?


For versatility and handholdability and raw performance within the envelope, the R52 with the 100-500 is the best there is. Yes, there are longer, faster, 50-500, perhaps slightly better (primes) etc lenses but none as light and as optically good and small and light as the 100-500 including very nice and stabilized macro. Combine it with the R52 and you have a winner.

Now with 14-bits with all shutters, I use electronic for everything. Frames per battery? Thousands!



May 07, 2026 at 03:51 AM
Pixelpuffin
Offline
• • •
Upload & Sell: Off
p.1 #10 · Transition from NIkon (DSLR) to Canon - Good move?


I’ve never used Nikon
Canon, Pentax yes.
However I hear and read great things about the Z series.
Canons major issue is their cripple hammer and their flat refusal to allow 3rd parties to build for the RFmount.
In your shoes I would definitely reconsider and stay with Nikon.




May 07, 2026 at 06:13 AM
 


Search in Used Dept. 

Steve Spencer
Offline
• • • • • • •
Upload & Sell: On
p.1 #11 · Transition from NIkon (DSLR) to Canon - Good move?


GreenHaven wrote:
Transition from utilizing Nikon gear to Canon?

Background: Bordering on becoming an elderly Nikon shooter (since at least 2009) bird photography emphasis (since 2014) Cameras owned include the D90, D-800, D810 and D-850 (D-850 owned for 6.5 years and currently. Wife is dead set against buying used. No experience with mirrorless. Local retail chain is having their twice annual “sale/expo” in 2 days. Prices are sky high, no thanks to tariffs, inflation, corporate greed and what I consider to be price fixing policies which is intentionally utilized to suppress competition between retailers and to unsure profit levels. Skill level: amateur plus
...Show more

Let me respond to some of what you wrote. I have fairly recently switch to Canon and in the past I have shot Sony, Nikon, Fuji X, Fuji GF, Olympus OM, and Leica M camera. I am an inveterate system switcher.

You wrote for needs:

a) Reliable, accurate, quick to both acquire, lock-down and maintain a rock steady focus.

Canon will provide this. So will Sony and Nikon Z camera will mostly provide this as well. If you can live with a smaller sensor Olympus m4/3rds, and even Fuji X mount do pretty well too. Since you are using a DSLR, albeit a good one for AF, I still think you will be impressed by how much mirrorless has really helped on this issue in particular.

b) Produce reasonable quality frames in lower light environments and situations.

All the brands have pretty similar and very good high ISO performance. There are not huge differences and all will be just a bit better than your Nikon DSLR

c) Reasonably fast fps but not excessive as I am not making a movie nor willing to wade and hand select from a myriad of shots.

Top cameras let you select the fps. One feature I like with the Canon R5 II is that you can select the exact fps that you want to use. If you want 30 fps it does that, but if you want 14 fps you can shoot that instead if you like.

f) Ensuring focus is sharp and the best it could possibly be. Can the focus be fine tuned or calibrated in camera?

No need to fine tune any mirrorless camera. Since the camera use the sensor rather than a separate AF unit to focus they are all wonderfully calibrated. Calibration in DSLRs was about getting the AF unit and the sensor in sync. Since the sensor is the AF unit in mirrorless cameras they are always in sync.

Concerns:

a) Viable ISO achievable and ‘acceptable” noise levels without requiring extensive and time consuming editing especially factoring n my declining eyesight. At what threshold/point does ISO output deteriorate and become unusable? Numbers please, thank you.

For the Canon R5 II, I find I can shoot up to ISO 6400 with very little post-processing required if there is enough light to make that a proper exposure. Of course if you shot at ISO 6400, but the frame has to be brightened you will start to have problems. If I wanted to learn an AI noise reduction program, I hear they are excellent and getting better every day, but like you I prefer to keep my post-processing simple and haven't taken that leap. I could and you could as well if you wanted and I am pretty sure that even higher ISO could be achieved with that step.

b) I’ve read battery life can be short….. i.e. only a few hundred shots. Truth or inaccurate?

As Gary said, this is part of the cost of mirrorless. Battery life will be shorter. With the R5II you can add a battery grip and two batteries, which would help a lot, but do know that this will be an issue.

c) It’s been out there since August 2024 or so. Replacement in the works in the next year or two? Is the value going to nosedive anytime soon?

Of course we never know for sure, but the original R5 has held it value pretty well, so I don't see any particular reason to worry about the R5 II.

d) IBIS quality while handheld, especially for BIF since I am 65+, have limited arm strength and my hands are shaky when gear is elevated or otherwise pointed up.

As Gary responded this is strength of both the R5 II and the Canon system with many of its lenses also having IS in the lenses as well as the camera.

Other things you asked:

a) What is pre-capture good at and what is it used for? What types of scenarios.

For a bird photographer this can be really useful, IMO. It let's you notice the bird doing something and shoot a half second after it happens rather than having to anticipate the action. It captures quite a few shots you, "just missed." You still have to respond quickly but you can respond after something happens which is a really nice capability and does add to the shots you get. I say not a gimmick, but it isn't a panacea either.

b) Is Eye Control effective or usable in meaningful way to the average user?

I don't know about the average user, but I need my glasses to shoot and it seems worthless to me and I can't get it to work. Some people love it. I don't find it necessary, however, as Gary suggested.

All that said, I think you should also look at the Nikon Z8 or Z9 as you are a Nikon shooter already and they are really good cameras. I think the AF and image stabilization might be just a bit better with Canon, but the high ISO performance (not the noise but the detail per noise--this is where baking in the noise reduction in Canon might matter) and the sensor scan speed (especially important for very fast birds like hummers or falcons) might be slightly better with Nikon. The big draw for Nikon, however, IMO, for bird photographers is there excellent PF lenses. The 600 f/6.3 PF isn't that much more than the Canon 100-500L, but would both give you a bit more reach and would provide a bit wider aperture when the light is lower and if it is beyond your budget the 400 f/4.5S (which I think is a lovely lens and not a PF lens if you don't like those) with a 1.4X TC is a great option and actually a little cheaper than the 100-500L and with the TC will get you a bit more reach than the 100-500L and a bit wider aperture--it of course with the 1.4X TC is a 560 f/6.3.

If you know you want a zoom, however, then I think the 100-500L is a great option if it provides enough reach. On the Nikon side, if you can deal with the size and you want a zoom, then the 180-600 f/5.6-6.3 again provides more reach and a faster aperture at most focal lengths and especially at the critical longer ones. So, I would recommend looking at Nikon both because that is what you are used to and because they have a pretty compelling system for bird photography in particular. That said I think the Canon R5 II and 100-500L is a great system too and would very much do what you want.



May 07, 2026 at 06:37 AM
melcat
Offline
• • • •
Upload & Sell: Off
p.1 #12 · Transition from NIkon (DSLR) to Canon - Good move?


GreenHaven wrote:
Under serious consideration: Canon EOS R5 Mk II with RF 100-500 mm


This lens is one of those in the Canon system which is the outright best in its category by far (the other is the 85mm f/1.2, either version). I have the 100–500mm and use it for birds and other things. For small birds you’ll probably want the RF 1.4× extender, which gets you to 700mm. I have it since my camera body only has 24Mpx and cropping instead is not an option. There has been endless whinging about how the lens must be extended past 300mm to take the converter, but I think of it as “I’ve changed my lens from a 100–500 to a 420–700 by adding this gizmo” so it doesn’t bother me.

That said, I’m not sure its category is really that of specialist birding lens. It’s more a lens which you can take on outdoor adventures which is useful for landscape and there if you encounter an interesting animal – which was exactly why I bought it. But I live right near some good birding locations and have taken a lot of pictures of birds with mine.

Can the focus be fine tuned or calibrated in camera?

Not necessary, since the sensor is in the sensor plane.

Regarding some of your other concerns about autofocus, my experience with the R3 and this lens is that it struggles, rarely, in low-contrast low-light backlit conditions where my old Canon DSLR doesn’t. This is just a disadvantage of mirrorless cameras not restricted to Canon. In my case it’s clearly outweighed by the camera being able to track the bird around the frame, which my old DSLR couldn’t, but as I understand it your D850 can already do that.

One big advantage of the R3 for wildlife is the totally silent electronic shutter with negligible rolling shutter. My old DSLR was very loud. I believe the R5 Mk II is almost as good (unlike the Mk I).

IBIS quality while handheld, especially for BIF since I am 65+, have limited arm strength and my hands are shaky when gear is elevated or otherwise pointed up.

I’m in that age group and have no trouble at all holding this lens on my R3 steady. The portrait grip does help when shooting in portrait orientation and when carrying the rig on walks. You might consider getting the accessory grip for the R5 MkII – perhaps that would also help with battery capacity. If it’s at all medically possible for you, I’d recommend addressing this problem through exercise rather than camera gear.

The 100–500mm lens has its own optical stablisation (on Canon, it is either on for both the lens and body or off for both).

What is pre-capture good at and what is it used for? What types of scenarios.

For bird photography, you’d use it when you’re waiting for a bird to do something sudden like take off. I don’t have it on my R3 and don’t miss it. Canon’s implementation is said to be less configurable than the ones on other brands. One thing to note is that, since it’s continously recording images before you press the shutter in order to have them to “shoot in the past” when you do, it runs the battery down.

Finally, what other lenses, if any, are you considering? Some of the Canon RF offerings I just wouldn’t buy – it shouldn’t be the case that an old EF (DSLR) mount lens outperforms the RF replacements, but in several cases it is. Those of us who were already in the EF system already have our EF lenses, but many are discontinued and you quite reasonably don’t want to buy used. The Canon RF system is closed and not like the Sony system where you can be pretty sure someone makes a good whatever-it-is-you-want; but, on the other hand, I don’t think there’s anything available in Sony mount that is as good as the 100–500 in its use cases.

(Edited to correct typos.)

Edited on May 07, 2026 at 10:48 PM · View previous versions



May 07, 2026 at 07:02 AM
TomSchriefer
Offline
• •
Upload & Sell: Off
p.1 #13 · Transition from NIkon (DSLR) to Canon - Good move?


I am a Canon user. My brother always shot Nikon. The difference in our photos was not the gear. I'm pretty sure I could fix my car with either Snap-On or Craftsman tools. It isn't the tools, it's the mechanic.


May 07, 2026 at 08:11 AM
nightnight
Offline
• •
Upload & Sell: Off
p.1 #14 · Transition from NIkon (DSLR) to Canon - Good move?


I moved from Nikon DSLR's to Canon mirrorless. I currently shoot an R5 II, and have some limited experience with the Zf, Z8, and Z5 II. I mostly photograph people on short primes, so consider my opinion in that context:

Both Canon and Nikon are sufficiently excellent in all the ways that matter to me. AF, build quality, screen quality (both EVF and back LCD), and IQ are functionally a wash. Obviously this varies a bit by model, and there are definitely differences even comparing like-for-like, but in general everything is so far beyond sufficient that I consider them broadly equal.

The R5 line wins out for me predominantly on ergonomics, lenses, and quality of service, though again, the former two are definitely subjective and the latter is a matter of personal experience. I have extremely large hands (I'm 6'6"), and the R5 II just feels better than the Z8 to me. This is going to vary person to person and use case to use case, so I'd advise holding both. Lens wise, I love the 1.4 VCM primes, and Nikon currently offers nothing comparable, so that's an easy choice, though this calculus will obviously be different for someone with different needs.

Service is my big hangup. Nikon uses a lot of third party repair houses, whereas Canon does most things in house still. Canon's technicians are exceptional, their repair portal is excellent, and overall I've never had a single negative experience dealing with Canon CS, whereas I did have a nightmare of a time with a D500 repair back in 2019. These things change over time, and there's probably something to be said now for the fact that Nikon is smaller and more agile whereas Canon is still the lumbering behemoth of the imaging world, but I still enjoy the fact that I can call someone in the US and have them sort out a problem for me if need be. Most people never need to avail themselves of service anyway, so this may be moot for you, but for me, I enjoy the peace of mind.

Good news is that you genuinely can't go wrong. Everything is excellent, if extremely expensive. You'll be well served no matter what you choose.



May 07, 2026 at 08:15 AM
Carlo_M
Offline
• •
Upload & Sell: Off
p.1 #15 · Transition from NIkon (DSLR) to Canon - Good move?


From 2009-2015 I was a Canon 7D shooter with a couple of EF-S lenses. Took a hiatus from photography due to career. That focus on career paid off, and I decided to get back into photography in a big way in 2022. I wasn't wedded to Canon since I had made the decision to go full frame mirrorless and the EF-S lenses weren't going to carry over.

Went to my local camera shop (an awesome one, Samy's) and extensively tested Sony, Canon and Nikon. Buy once, cry once. I decided to stay with Canon because the ergonomics felt most comfortable to me (highly personal preference). With regards to lenses, The Big Three all have a lot of overlap with their Holy Trinity offerings and prime offerings at that time, so I didn't rate one company significantly higher than the others.

What I didn't anticipate back in 2022 was how much I would shoot video (I was never happy with video I shot on my 7D) and that Canon was working on the VCM line. Now I shoot 60/40 photo/video and own a 20mm and 35mm VCM which are my most-often used non telephoto lens. Sony is also famed for their video quality.

So I guess my advice is 1) extensively try out each camera in-store, and figure out which brand has the ergonomics your hands and brain gets along best with, 2) figure out what you like shoot and if one brand stands out over the others, 3) bust out your wallet.



May 07, 2026 at 11:28 AM
Cliff L.
Offline
• • • • • • •
Upload & Sell: On
p.1 #16 · Transition from NIkon (DSLR) to Canon - Good move?


garyvot wrote:
While I think what Scott says is correct, you should decide for yourself what real world impact that may have. The R5 II delivers good acutance to my eyes, regardless.

You can compare the RAW noise signature and acutance of the R5 II with the Z8 at various ISOs (and with EFCS and eShutter) using DPReview's image quality comparator tool:

https://www.dpreview.com/reviews/canon-eos-r5-mark-ii-review#IQ


Nikon clips the black levels to reduce noise, and this is baked into their raw files (they've done this going all the way back to their DSLR days). That's probably why they can't match Canon or Sony in dynamic range, even though they are using Sony sensors in all their cameras. Most users don't know the difference, just like most users don't notice the alleged noise reduction in Canon files.



May 07, 2026 at 12:59 PM
Carlo_M
Offline
• •
Upload & Sell: Off
p.1 #17 · Transition from NIkon (DSLR) to Canon - Good move?


Cliff L. wrote:
Nikon clips the black levels to reduce noise, and this is baked into their raw files (they've done this going all the way back to their DSLR days). That's probably why they can't match Canon or Sony in dynamic range, even though they are using Sony sensors in all their cameras. Most users don't know the difference, just like most users don't notice the alleged noise reduction in Canon files.

I mean if there was a "best of the best, with honors, sir!" then all the pro shooters would be using that brand. But instead you go to all of these sporting events and see Canon, Nikon, Sony. You look at event photographers and videographers, same thing. The truth, at least today, is that all of them (and other brands I've not named) are making cameras and lenses of such high quality that the weak point is the person attached to the camera. Which is why I recommend going with the ecosystem whose ergonomics suit you and your working style best. The less you have to think about what button is where, and what does it do, the more it frees you to focus on composition and capturing the moments.

Canon bodies just feel right in my hands, even with medium-to-large lenses attached I can hold them comfortably for hours. And the buttons are laid out in a way that I've become intimately familiar with over the years. If and when I miss a shot, it was my fault. But that's me. Others will feel that way towards other brands.



May 07, 2026 at 03:19 PM
Cliff L.
Offline
• • • • • • •
Upload & Sell: On
p.1 #18 · Transition from NIkon (DSLR) to Canon - Good move?


Carlo_M wrote:
Canon bodies just feel right in my hands, even with medium-to-large lenses attached I can hold them comfortably for hours. And the buttons are laid out in a way that I've become intimately familiar with over the years. If and when I miss a shot, it was my fault. But that's me. Others will feel that way towards other brands.


That's the best advice so far.




May 07, 2026 at 11:25 PM
rscheffler
Offline
• • • • • •
Upload & Sell: Off
p.1 #19 · Transition from NIkon (DSLR) to Canon - Good move?


If I read the OP's post correctly, a major reason for their interest in the R5II and 100-500 is size/weight. While the Z8 and R5II are very comparable in many specifications, The R5II is definitely smaller and about 20% lighter. And as others have mentioned, the 100-500 is a lens unique to Canon. It's about the size/weight of a 70-200/2.8 (when zoomed to 100mm) and is optically very high quality in this category. The Sony 200-600 and Nikon 180-600 are popular for their respective systems, but user reports suggest neither are quite as sharp at their respective long ends. And both are considerably larger/heavier than the 100-500 because of 600/6.3. The only comparable 500mm I can think of is the Nikon 500/5.6 PF, which is highly regarded. With it you gain 2/3 of a stop but lose the versatility of a zoom.

Regarding R5II battery life: it really depends on how you use it and frames per charge can be extremely variable as a result. I'd say on average, shooting sporting events, I get about 2000 frames before I swap a battery out at about 25%. But that's a situation where I'm shooting quite a lot and continuously without substantial pauses. In contrast to this, walking around while traveling, taking single photos of a given scene on an irregular basis, but with the camera on the whole time, the total frame count can drop into the 300-500 range. Or even less. But it really depends.

I don't photograph birds much, but can imagine that if one was at a location with a lot of opportunities on a consistent basis, it should be possible to do 2000+ frames. On the other hand, if one was waiting for one bird to do something while constantly running pre-capture, total frame count would be quite low. But again, it really depends on the situation. I've used pre-capture during sports events and did not notice an impact on battery life. But that's probably because I'm already shooting so much at such events that pre-capture is a relatively small percentage of use compared to overall shot count.

I think it's worth pointing out that the R5II (and probably all/most current mirrorless cameras) can be powered from an external USB battery (as long as that battery meets the minimum operating requirements of the camera - not all will). This might be a good option, or a good back-up option for situations where OP expects to be sitting and waiting a long time for a specific photo opportunity but has to keep the camera awake the whole time to ensure it's ready for that moment.

The one thing I didn't like about the 100-500 was the resistance of the zoom ring because of the extending zoom design. IMO the zoom resistance is too high/heavy, but maybe it's just me because I really strongly prefer a light/easy 'fast' to rack end to end zoom ring. In this respect the new Canon 70-200/2.8 Z is fabulous and I'd be tempted to suggest it with the 2x extender instead of the 100-500. But yes, it's only 400mm vs. 500. It's also an expensive lens.



May 07, 2026 at 11:55 PM
Sy Sez
Offline
• • •
Upload & Sell: Off
p.1 #20 · Transition from NIkon (DSLR) to Canon - Good move?


I have an R5 & RF 100-500L, and though I'm generally satisfied with lens IQ, & operation, my primary gripe is the 100-500's inability to zoom back beyond 400mm with an RF TC attached
If you were to go Nikon, there's the Nikon NIKKOR Z 180-600mm f/5.6-6.3 VR Lens (Nikon Z) for less than the 100-500L, and it has full zoom with their TC



May 10, 2026 at 09:27 PM
       2       end






FM Forums | Canon Forum | Join Upload & Sell

       2       end
    
 

You are not logged in. Login or Register