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Tamron 50-400mm for Yellowstone APSC body or FF?

  
 
gordec
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p.1 #1 · Tamron 50-400mm for Yellowstone APSC body or FF?


I don't have any Sony gear right now. Going to YS in June. I want a super tele setup and picked up a 50-400mm Tamron. I really don't want to carry anything bigger than the 50-400. Now I need to get a body. Should I get a APSC body like a6700 for a little more reach or FF for better IQ? I know longer the better for wildlife and thought about getting 200-600 or even 400-800 but with my other gear, it's just too much load.

For reference, I shot Sony for a long time before switching to Leica and have used both a6400, A9, A7R, etc. A9 was the last Sony I have used. Looks like a lot of advancements have happened.

I do have Q3 and Leica M11, and for this trip I may just leave the M11 behind and roll with Q3 and the Tamron.



Apr 24, 2026 at 12:55 PM
InFocus2014
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p.1 #2 · Tamron 50-400mm for Yellowstone APSC body or FF?


I really like my Tamron 50-400mm on FF. The image quality is very good at 400mm, but I'm not sure it would hold-up well to cropping, which is essentially what an APS-C sensor will do. Under 300mm, the Tamron IQ is excellent, and is outstanding under 100mm. If I were you, I would buy a used A7R5 on Fred Miranda... possibly an A1 to use with this lens.


Apr 24, 2026 at 01:08 PM
DWOfPaul
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p.1 #3 · Tamron 50-400mm for Yellowstone APSC body or FF?


I think the best option is to go with a high res FF sensor like the a7rV. Then you will have the FF advantage for close subjects and the cropability of APSC for distant subjects.


Apr 24, 2026 at 01:32 PM
tschopp
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p.1 #4 · Tamron 50-400mm for Yellowstone APSC body or FF?


Like others have said a used a7Rv is a no brainer compared to the a6700. It shares the same pixel density as the a6700, so it has just as much reach. You can configure a button to shoot in aps-c mode or FF. In aps-c mode it is basically the same as a6700. You can shoot all the time in FF and crop in post as well.

You should be aware there is a rumor of the a7rvi being announced soon. That might be of interest or drop the used price on the a7Rv.

Edited on Apr 24, 2026 at 04:01 PM · View previous versions



Apr 24, 2026 at 03:56 PM
 


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gordec
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p.1 #5 · Tamron 50-400mm for Yellowstone APSC body or FF?


tschopp wrote:
Like others have said a used a7Rv is a no brainer compared to the a6700. It shares the same pixel density as the a6700, so it has just as much reach. You can configure a button to shoot in aps-c mode or FF. In aps-c mode it is basically the same as a6700. You can shoot all the time in FF and crop in post as well.

You should be aware there is a rumor of the a7Riv being announced soon. That might be of interest or drop the used price on the a7Rv.


My trip is in June, so I need to get a body before that. I slightly lean towards the A1 just because I never used one. I would mostly be getting it for wild life. 3K for A1 or 2.5k for a7Rv sounds like the way to go.



Apr 24, 2026 at 04:00 PM
olalafoto
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p.1 #6 · Tamron 50-400mm for Yellowstone APSC body or FF?


Last June, I was shooting wildlife at Yellowstone with my Sony ZV-E10 II and the Tamron 50-300mm. When filming in 4K/60p with Active SteadyShot, the 300mm end gets cropped to a 660mm equivalent. It was plenty for getting great shots of bison and coyotes, but still felt a bit too far for the bears.




Apr 24, 2026 at 09:13 PM
tschopp
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p.1 #7 · Tamron 50-400mm for Yellowstone APSC body or FF?




gordec wrote:
My trip is in June, so I need to get a body before that. I slightly lean towards the A1 just because I never used one. I would mostly be getting it for wild life. 3K for A1 or 2.5k for a7Rv sounds like the way to go.

Yeah, the used A1 is quite the value as well. I own an a7Rv and haven’t used an A1 so maybe I don’t know what I’m missing. I’m sure either one would serve you well.



Apr 24, 2026 at 10:13 PM
gordec
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p.1 #8 · Tamron 50-400mm for Yellowstone APSC body or FF?


Ended up with an A7RV. Probably more helpful to have more crop power for this trip. I might end up bringing 3 bodies with the same sensor lol. Q3, M11, and RV.


Apr 27, 2026 at 03:44 PM







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