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Voigtlander 40mm f/2 Septon Aspherical Review

  
 
Jepser
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p.18 #1 · Voigtlander 40mm f/2 Septon Aspherical Review


I'll try to get some landscapes soon, every second week Im primarily a father and someone else are setting the daily agenda I've got both the Septon & Ultron SLII loaded in my bag.

The last days I've been fascinated with using the Ultrons close-op lens on the Septon.

DSC_8138_sept_small by Jesper Ericson, on Flickr


DSC_8127_sept_small by Jesper Ericson, on Flickr


F2.0
DSC_8132_sept_small by Jesper Ericson, on Flickr


F5.6
DSC_8136_sept_small by Jesper Ericson, on Flickr


DSC_8149_sept_small by Jesper Ericson, on Flickr


DSC_8165_sept_small by Jesper Ericson, on Flickr



May 18, 2026 at 05:17 PM
RoamingScott
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p.18 #2 · Voigtlander 40mm f/2 Septon Aspherical Review


B&H finally has the Septon in stock, looking forward to (but kinda not) putting these 5 40s through their paces together.


May 18, 2026 at 05:19 PM
Jepser
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p.18 #3 · Voigtlander 40mm f/2 Septon Aspherical Review


Septon at F2.0

DSC_8041_sept_small by Jesper Ericson, on Flickr


Septon at F5.6, B/W in camera

DSC_8116_sept_small by Jesper Ericson, on Flickr



May 18, 2026 at 05:25 PM
Juha Kannisto
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p.18 #4 · Voigtlander 40mm f/2 Septon Aspherical Review


Jepser wrote:

I'll try to get some landscapes soon, every second week Im primarily a father and someone else are setting the daily agenda I've got both the Septon & Ultron SLII loaded in my bag.

The last days I've been fascinated with using the Ultrons close-op lens on the Septon.

https://live.staticflickr.com/65535/55278210472_7e0fcfe95f_b.jpgDSC_8138_sept_small by Jesper Ericson, on Flickr


https://live.staticflickr.com/65535/55279526135_b9f6d53229_b.jpgDSC_8127_sept_small by Jesper Ericson, on Flickr


F2.0
https://live.staticflickr.com/65535/55279268473_fce7693e38_b.jpgDSC_8132_sept_small by Jesper Ericson, on Flickr


F5.6
https://live.staticflickr.com/65535/55279267068_704ec33314_b.jpgDSC_8136_sept_small by Jesper Ericson, on Flickr


https://live.staticflickr.com/65535/55278211892_fe4559cfaa_b.jpgDSC_8149_sept_small by Jesper Ericson, on Flickr


https://live.staticflickr.com/65535/55278214472_e75bea5fff_b.jpgDSC_8165_sept_small by Jesper Ericson, on Flickr


The results with the close-up lens look very nice! I saw a beautiful / like new used Ultron 40/2 SLII N with the original close-up lens (Canon EF mount without aperture ring so it needs an electronic adapter for aperture control on Sony). Couldn't resist buying it and it arrives on Friday. I'm looking forward to playing with the close-up adapter on Septon and will also play with the Ultron for a bit although I don't expect to use it a lot when I have the Septon. I had the first gen Minolta mount version of the lens in the past for a couple of years.



May 20, 2026 at 10:56 AM
RoamingScott
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p.18 #5 · Voigtlander 40mm f/2 Septon Aspherical Review


The gang's all here and my 30 day countdown to get this done has just started Let me know if there are very specific examples you want to see between any of these.








May 20, 2026 at 01:30 PM
shujert
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p.18 #6 · Voigtlander 40mm f/2 Septon Aspherical Review


Best photo I've seen yet comparing sizes of the Voigts to the 40/2 SE. Thanks for this!


May 20, 2026 at 02:54 PM
shujert
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p.18 #7 · Voigtlander 40mm f/2 Septon Aspherical Review


Best photo I've seen yet comparing sizes of the Voigts to the 40/2 SE. Thanks for this!


May 20, 2026 at 03:09 PM
Mystik
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p.18 #8 · Voigtlander 40mm f/2 Septon Aspherical Review


RoamingScott wrote:
The gang's all here and my 30 day countdown to get this done has just started Let me know if there are very specific examples you want to see between any of these.

https://live.staticflickr.com/65535/55283191194_ef11669dc5_o.jpg


Thanks for sharing Scott! These are all Z mount? Septon looks a lot bigger than I thought next to the TTA 40 and the CV40 1.2



May 20, 2026 at 03:23 PM
RoamingScott
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p.18 #9 · Voigtlander 40mm f/2 Septon Aspherical Review


Mystik wrote:
Thanks for sharing Scott! These are all Z mount? Septon looks a lot bigger than I thought next to the TTA 40 and the CV40 1.2


Yes, all Z.

The Septon is absurdly wide. I really don't like the way it looks on the camera. It's quite heavy too, it feels just about the same as having the 40/1.2 on.



May 20, 2026 at 03:29 PM
RoamingScott
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p.18 #10 · Voigtlander 40mm f/2 Septon Aspherical Review


I don't want to clog this thread with discussion of the 5 lenses, you can check on that over here: https://www.fredmiranda.com/forum/topic/1943751/


May 20, 2026 at 04:08 PM
 


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Renes60
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p.18 #11 · Voigtlander 40mm f/2 Septon Aspherical Review


RoamingScott wrote:
The gang's all here and my 30 day countdown to get this done has just started Let me know if there are very specific examples you want to see between any of these.

https://live.staticflickr.com/65535/55283191194_ef11669dc5_o.jpg


Scott, f8-11 Septon vs Nokton 40/1.2 landscape comparison - including sharpness in corners (crops), best on 24mp sensor but higher mp is also fine.

Edit. Ok, I see Z9.



May 20, 2026 at 04:27 PM
Mystik
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p.18 #12 · Voigtlander 40mm f/2 Septon Aspherical Review



RoamingScott wrote:
Yes, all Z.

The Septon is absurdly wide. I really don't like the way it looks on the camera. It's quite heavy too, it feels just about the same as having the 40/1.2 on.


It seems the Sony version is smaller and lighter. Might be worth adapting Sony version to nikon bodies even though it may not be fully optimized for Nikon sensor glass thickness.













May 20, 2026 at 04:41 PM
RoamingScott
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p.18 #13 · Voigtlander 40mm f/2 Septon Aspherical Review


The differences in size are so negligible that you should just shoot native, especially since the Septon is already not the sharpest or best rendering lens.


May 20, 2026 at 04:44 PM
Mystik
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p.18 #14 · Voigtlander 40mm f/2 Septon Aspherical Review




RoamingScott wrote:
The differences in size are so negligible that you should just shoot native, especially since the Septon is already not the sharpest or best rendering lens.


Fair point. Overall thoughts vs the TTA 40 f2? I don't expect either to be a world beater optically but would love your thoughts on these two lenses as conpact casual setup lenses



May 20, 2026 at 05:00 PM
RoamingScott
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p.18 #15 · Voigtlander 40mm f/2 Septon Aspherical Review


Mystik wrote:
Fair point. Overall thoughts vs the TTA 40 f2? I don't expect either to be a world beater optically but would love your thoughts on these two lenses as conpact casual setup lenses


Follow the other thread and make your own conclusion, mine doesn't matter much



May 20, 2026 at 05:01 PM
Juha Kannisto
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p.18 #16 · Voigtlander 40mm f/2 Septon Aspherical Review


Received these cool extras from Map Camera today. The Canon EF version of Ultron 40/2 SLIIN came with the original box and all the goods, including the close up lens, LH-40N, caps (only missing the original papers). Got the Sigma MC-11 (Canon EF version) to go with it. EXIF and aperture control work fine with the combo on my Sony A7CII, Can control aperture in 1/3 steps (didn't try yet if 1/2 can be set up to work as an alternative). Aperture control is via camera and aperture only closes temporarily when taking a shot.

This version of the lens is not the lightest, 229g on my kitchen scale without hood or caps. The Canon versions of these old Ultrons seem to be priced a bit cheaper than Nikon versions in the 2nd hand market (when available) although they were made in much smaller volumes and for a shorter time, probably due to lack of manual aperture control and perhaps there are more Nikon users looking to buy these old versions.

The close focus lens works perfectly on LH-90IIS hood as well (which indeed seems to be identical to LH-40N except for labeling). The same 39mm cap can also be used on top of the close focus lens. Looking forward to playing with the close focus lens on Septon as well.







May 22, 2026 at 02:54 AM
bijosn
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p.18 #17 · Voigtlander 40mm f/2 Septon Aspherical Review


^I found my zeiss ze lenses do not play well with the sigma mc-11 because it only stops aperture down at exposure time and certain zeiss classic lenses like the 50mm f1.4 planar suffer from focus shift when changing aperture. This resulted in a lot of out of focus and incorrectly exposed photos. The metabones (iv, v) have an advanced mode which allows you to directly change aperture.

Edited on May 22, 2026 at 09:10 AM · View previous versions



May 22, 2026 at 04:57 AM
Juha Kannisto
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p.18 #18 · Voigtlander 40mm f/2 Septon Aspherical Review


bijosn wrote:
^I found my zeiss ze lenses do not play well with the sigma mc-11 because it only stops aperture down at exposure time and certain zeiss classic lenses like the 50mm f1.5 planar suffer from focus shift when changing aperture. This resulted in a lot of out of focus and incorrectly exposed photos. The metabones (iv, v) have an advanced mode which allows you to directly change aperture.


I thought of this as well but I believe it will not be a problem with this specific lens (Ultron 40/2) as it's supposed to have practically no visible focus shift. I don't plan to get many more Canon EF lenses to adapt, but I'm getting the 28/2.8 Color-Skopar SLIIN EF version as well to have a pair of pancakes from the same series since I already got the adapter. I guess those 2 lenses shouldn't have any problems with MC-11 in this regard.

I was curious about whether hard infinity will be spot-on with this combo. It is almost spot on and I think hard infinity can be used pretty successfully for stopped down long distance shooting, but in some areas of the frame the best results seem to come just a very tiny bit before hard infinity (at least at f2). On other areas of the frame hard infinity seems to be best. Will need test more in good light and find the best balance.



May 22, 2026 at 05:06 AM
Jonas B
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p.18 #19 · Voigtlander 40mm f/2 Septon Aspherical Review


taildraggin wrote:
[...]
Neistat shot (superwide) thru the hood Monday. It's tight! Shoot close.
https://youtu.be/POg3_b9txwM


Great video, very cool!



May 22, 2026 at 06:24 AM
Juha Kannisto
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p.18 #20 · Voigtlander 40mm f/2 Septon Aspherical Review


Some from today with my A7CII + Septon 40/2 + Ultron 40/2 SL Close-Up lens (attached on dome hood LH-90 IIS). Everything was shot at f2 in the limited close range where focusing works with the Close-Up lens. It can get pretty close. It's a really fun way to extend the use cases for the lens and I like the output.

Full Album: https://photos.app.goo.gl/iX3DQrgx89d5Wz5h8












































May 23, 2026 at 07:46 AM
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