Voigtlander 15mm f/4.5 Mark II on A7rii

Started Aug 28, 2015 | Discussions
maxuci Contributing Member • Posts: 737
Voigtlander 15mm f/4.5 Mark II on A7rii
3

I've seen a few tests of the 15mm f/4.5 Mark III on the A7riii, but I don't think I've seen any for the Mark II. (The Mark III is optimized for digital sensors, while the Mark II is not)

I did a controlled test with this lens on my A7 vs A7rii today. I am very happy with the results! BSI sensor makes a huge difference in color cast. Keep in mind that the Mark II is smaller and cheaper than the Mark III!

Camera settings:

Tripod

Manual focus (on brick chimney)

RAW

Aperture priority

ISO 100

WB Sunny

EV 0

Develop settings:

EV + 0.50

Lens Correction Lens Vignetting Amount: +100

Lens Correction Lens Vignetting Midpoint: +10

A7 f/4.5

A7 f/11

A7rii f/4.5

A7rii f/11

Sony a7 Sony a7R
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Lightfinity Regular Member • Posts: 380
Re: Voigtlander 15mm f/4.5 Mark II on A7rii

Looks like the color cast in the corners is... gone.  Pretty neat.  I think it's to be expected with the BSI design.

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dbm305 Senior Member • Posts: 1,749
Improved color caste and vignetting, but not corner smearing
1

It seems to be the case that the colour caste and vignetting on many lenses is improved or gone due to the BSI sensor, but not the corner smearing which is down to a mismatch between lens design and sensor glass thickness.

Of course that might be enough for many. Images without much corner detail will now be fine without tedious processing (and not entirely lossless processing either, as much of the image effectively gets pushed)

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OP maxuci Contributing Member • Posts: 737
Re: Improved color caste and vignetting, but not corner smearing

dbm305 wrote:

It seems to be the case that the colour caste and vignetting on many lenses is improved or gone due to the BSI sensor, but not the corner smearing which is down to a mismatch between lens design and sensor glass thickness.

Of course that might be enough for many. Images without much corner detail will now be fine without tedious processing (and not entirely lossless processing either, as much of the image effectively gets pushed)

Yes, not only the purple in the corners, but notice the green "puke" blob at the top.  It is a royal pain to process the files on the A7.  Took several radial filters to accomplish and each image needed tweaking.

FF Pro
FF Pro Senior Member • Posts: 1,429
Re: Improved color caste and vignetting, but not corner smearing

Excellent post! This is great news. I am glad I spotted this post.

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Steve W Veteran Member • Posts: 4,649
Re: Voigtlander 15mm f/4.5 Mark II on A7rii

Thanks for for showing this. I have the A7RII, A7II and the Voigt 15mm II as well. I'll have to give them a whirl this weekend to see the improvement. I bought the 15mm back when I has my Zeiss Ikon film camera and tried it on my original A7R but gave up on it pretty quickly.

Its been kind of kicking around for a while. Tried to sell it a few times but with the version III out no one appeared to be that interested. Have recently created a small bag with my A6000, Zeiss 24m f/1.8, 35mm f/2.8 (from my FF), and the CV 15 II. On that its a great lens. And the 22.5 FOV equivalent is nice.

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somersetlad Regular Member • Posts: 254
Re: Voigtlander 15mm f/4.5 Mark II on A7rii

Thank you very much for that - version III hard to find here, might just get II now.
John

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Kildras
Kildras Regular Member • Posts: 217
Re: Voigtlander 15mm f/4.5 Mark II on A7rii

looks similar to the A7S with the green colour instead which is less noticable?

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Swensonn Junior Member • Posts: 43
Re: Voigtlander 15mm f/4.5 Mark II on A7rii

Ok, i almost bought the mark ii voigtlander 15mm. But then I saw a vid where they said there are some strange coloring because the sensors.

so will there be some strange colors on my Sony a7ii in combination with the 15mm mark 2?

thanks in advance!!

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(unknown member) Veteran Member • Posts: 4,469
Re: Voigtlander 15mm f/4.5 Mark II on A7rii
1

Swensonn wrote:

Ok, i almost bought the mark ii voigtlander 15mm. But then I saw a vid where they said there are some strange coloring because the sensors.

so will there be some strange colors on my Sony a7ii in combination with the 15mm mark 2?

Yes, only the A7RII has the BSI sensor which fixes the color casts.

The Kolari thin sensor mod will clean up corner detail for the most part, but will not fix color casts.

thanks in advance!!

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FF Pro
FF Pro Senior Member • Posts: 1,429
Re: Voigtlander 15mm f/4.5 Mark II on A7rii
1

What he said. Get The third version.

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