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Official: Voigtlander 15mm f/4.5 III E-mount

  
 
Fred Miranda
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p.69 #1Official: Voigtlander 15mm f/4.5 III E-mount
stjepan wrote:
Quick question for the ones with related experience. Which polarizers work well with the CV 15, meaning they are thin enough to be used with the lens?
Would this one work: http://www.ebay.co.uk/itm/Heliopan-58mm-Slim-Cir-Polariser-Filter-Brand-New-Stock-/261787303904?hash=item3cf3bd3fe0:g:lkAAAOxyM89ScEdS

Thanks for the help!


That won't work. It will hard vignette. A filter for the CV 15/4.5 III must be very thin and I don't think any polarizer will work. As far as ND filters, I tested many and the one that does not vignette is the Breakthrough brand.
Jan 27, 2017 at 10:14 AM
bluloo
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p.69 #2Official: Voigtlander 15mm f/4.5 III E-mount
OK, so made some somewhat better test shots. Zero adjustments in LR, other than applying lens corrections.

Shot at F8 and at the infinity hard stop.

The lens doesn't look terrible to me, but not fantastic. I had a CV 12mm that was horribly smeared in the corners, and this lens is nowhere near that level.

TBH, I probably wouldn't notice the corners on this lens, unless I was photographing something I needed sharp in the corners - but IMO, it's also important to consider the overall IQ because it may find it's way to a new owner some day.

What's the consensus?
If you received this lens in a sale, would it be acceptable? or do I still need better images to tell for sure?





Lower Left







Lower Right







Upper Left







Upper Right








Edited on Jan 27, 2017 at 10:40 AM · View previous versions
Jan 27, 2017 at 10:37 AM
bluloo
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p.69 #3Official: Voigtlander 15mm f/4.5 III E-mount
Second full scene, showing corner areas.






Jan 27, 2017 at 10:39 AM
stjepan
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p.69 #4Official: Voigtlander 15mm f/4.5 III E-mount
To be honest, I still see the smearing. Depending on the application of the lens and your tolerance, this might be acceptable. But I wouldn't. Just my 2 cents.
Jan 27, 2017 at 01:23 PM
stjepan
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p.69 #5Official: Voigtlander 15mm f/4.5 III E-mount
Thanks Fred. So the filter wouldn't work, although it is a slim version (no front threads and all)?
Jan 27, 2017 at 01:25 PM
DannyBurkPhoto
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p.69 #6Official: Voigtlander 15mm f/4.5 III E-mount
Fred Miranda wrote:
stjepan wroteQuick question for the ones with related experience. Which polarizers work well with the CV 15, meaning they are thin enough to be used with the lens?
Would this one work: http://www.ebay.co.uk/itm/Heliopan-58mm-Slim-Cir-Polariser-Filter-Brand-New-Stock-/261787303904?hash=item3cf3bd3fe0:g:lkAAAOxyM89ScEdS

Thanks for the help!
That won't work. It will hard vignette. A filter for the CV 15/4.5 III must be very thin and I don't think any polarizer will work. As far as ND filters, I tested many and the one that does not vignette is the Breakthrough brand.


I've got a B+W 58mm Kaesemann, which doesn't seem particularly thin, and I can't see any vignetting with this combination. I just took two shots to reconfirm, with and without, and there's none. I just got it a few weeks ago, and I'm surprised that there isn't any vignetting; the filter rim sits about 1.5-2mm higher than the short petals on the lens, and I expected minor vignetting. I don't normally compose 3:2 ratio, so I didn't mind too much, but there definitely isn't any visible at all!
Jan 27, 2017 at 01:48 PM
bluloo
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p.69 #7Official: Voigtlander 15mm f/4.5 III E-mount
stjepan wrote:
To be honest, I still see the smearing. Depending on the application of the lens and your tolerance, this might be acceptable. But I wouldn't. Just my 2 cents.


Appreciate the feedback!

Anyone else?

Jan 27, 2017 at 01:51 PM
JDug
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p.69 #8Official: Voigtlander 15mm f/4.5 III E-mount
I would say that it does not look as good as the good copies of the form but it certainly doesn't look as bad as the bad copies it really is right in the middle. If I had the option to return it I probably would.
Jan 27, 2017 at 02:05 PM
bluloo
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p.69 #9Official: Voigtlander 15mm f/4.5 III E-mount
Thanks for the feedback.

Will contact Camera Quest to see if they might be able to exchange it, or if I need to return it outright.

The quest continues. Apparently.
Jan 27, 2017 at 02:13 PM
Fred Miranda
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p.69 #10Official: Voigtlander 15mm f/4.5 III E-mount
DannyBurkPhoto wrote:
Fred Miranda wrote
stjepan wroteQuick question for the ones with related experience. Which polarizers work well with the CV 15, meaning they are thin enough to be used with the lens?
Would this one work: http://www.ebay.co.uk/itm/Heliopan-58mm-Slim-Cir-Polariser-Filter-Brand-New-Stock-/261787303904?hash=item3cf3bd3fe0:g:lkAAAOxyM89ScEdS

Thanks for the help!
That won't work. It will hard vignette. A filter for the CV 15/4.5 III must be very thin and I don't think any polarizer will work. As far as ND filters, I tested many and the one that does not vignette is the Breakthrough brand.
I've got a B+W 58mm Kaesemann, which doesn't seem particularly thin, and I can't see any vignetting with this combination. I just took two shots to reconfirm, with and without, and there's none. I just got it a few weeks ago, and I'm surprised that there isn't any vignetting; the filter rim sits about 1.5-2mm higher than the short petals on the lens, and I expected minor vignetting. I don't normally compose 3:2 ratio, so I didn't mind too much, but there definitely isn't any visible at all!


If you do controlled tests at different apertures, you will see that it vignettes. It's not very noticeable but it's there. I tested this exact same filter. The CV 15/4.5 III already vignettes a lot even step down, so we don't want any increase in that even if it's small.
Jan 27, 2017 at 03:16 PM
 


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DannyBurkPhoto
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p.69 #11Official: Voigtlander 15mm f/4.5 III E-mount
Interesting - I see plenty of "natural" vignette from the lens, but I'm not seeing anything additional. Since I don't see actual black corner tips, I'll live with it - most of the time I'll most likely crop to 4x5 ratio anyway.
Jan 27, 2017 at 03:45 PM
grahamgibson
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p.69 #12Official: Voigtlander 15mm f/4.5 III E-mount
Well my copy came and it definitely has some corner smearing. I compared it to my 16-35/4 and the two are pretty equal across most of the frame until you get to the extreme corner where the Voigtlander degrades rapidly. Kinda reconsidering this vs. the zoom altogether now.
Jan 27, 2017 at 04:04 PM
Fred Miranda
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p.69 #13Official: Voigtlander 15mm f/4.5 III E-mount
grahamgibson wrote:
Well my copy came and it definitely has some corner smearing. I compared it to my 16-35/4 and the two are pretty equal across most of the frame until you get to the extreme corner where the Voigtlander degrades rapidly. Kinda reconsidering this vs. the zoom altogether now.


That's a great test if you have both lenses. Compare it to the FE 16-35/4 @16mm, f/5.6. If the zoom is much better at the extreme corners, your CV 15/4.5 III suffers from smearing. I have tested good copies of both and the zoom is only slightly worse at the extreme edges (1:1). The CV is also slightly better at mid-zone. However, in practice, both FE 16-35/4@ 16mm and CV 15/4.5 III are very similar because the zoom is optimized for the wider range.

There are some advantages for the CV like nicer sunstar rendering (subjective), price and weight. The zoom offers more flexibility and less vignetting.
Jan 27, 2017 at 04:20 PM
jhinkey
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p.69 #14Official: Voigtlander 15mm f/4.5 III E-mount
DannyBurkPhoto wrote:
Fred Miranda wrote
stjepan wroteQuick question for the ones with related experience. Which polarizers work well with the CV 15, meaning they are thin enough to be used with the lens?
Would this one work: http://www.ebay.co.uk/itm/Heliopan-58mm-Slim-Cir-Polariser-Filter-Brand-New-Stock-/261787303904?hash=item3cf3bd3fe0:g:lkAAAOxyM89ScEdS

Thanks for the help!
That won't work. It will hard vignette. A filter for the CV 15/4.5 III must be very thin and I don't think any polarizer will work. As far as ND filters, I tested many and the one that does not vignette is the Breakthrough brand.
I've got a B+W 58mm Kaesemann, which doesn't seem particularly thin, and I can't see any vignetting with this combination. I just took two shots to reconfirm, with and without, and there's none. I just got it a few weeks ago, and I'm surprised that there isn't any vignetting; the filter rim sits about 1.5-2mm higher than the short petals on the lens, and I expected minor vignetting. I don't normally compose 3:2 ratio, so I didn't mind too much, but there definitely isn't any visible at all!


I don't use a thin CPL and I see no vignetting on my 15/4.5 either. Those that do must be using a really thick filter.
Jan 27, 2017 at 06:08 PM
grahamgibson
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p.69 #15Official: Voigtlander 15mm f/4.5 III E-mount
Yeah, I thought I might like the Voigtlander more for the advantages you mentioned, but I'm kind of leaning towards just keeping the zoom at this point. I dunno, maybe I'll get out and shoot with it a bit (non-test shots) before deciding.
Jan 27, 2017 at 06:22 PM
bluloo
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p.69 #16Official: Voigtlander 15mm f/4.5 III E-mount
So, I have the 15mm set to ship out tomorrow, back to Steve at CameraQuest for an exchange. Hopefully the next one is tip top.

The lens is so small and mates well with the A7RII, I don't want anything larger.
Jan 27, 2017 at 09:55 PM
grahamgibson
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p.69 #17Official: Voigtlander 15mm f/4.5 III E-mount
Does the e-mount version of the lens have a correction profile built into the RAW files like Sony lenses do? I'm toying around with Capture One vs. Lightroom and the latter seems to have a profile for this lens available whereas C1 just lets me pick "Manufacturer Profile". I'm new to C1, but does that mean the program is applying some correction?
Feb 01, 2017 at 12:31 PM
bluloo
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p.69 #18Official: Voigtlander 15mm f/4.5 III E-mount
Can I get some feedback on this copy of the lens?

It looks better to my eyes, and even pretty good compared with the previous copy - purple fringing aside.

LR lens profile and "auto" adjustments applied.

Shot at F8, I think

Appreciate all feedback.

Upper Left and Lower Right Corners:






Upper Left & Lower Right Corners







Upper Left







Lower Right



Edited on Feb 09, 2017 at 09:54 AM · View previous versions
Feb 09, 2017 at 09:49 AM
bluloo
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p.69 #19Official: Voigtlander 15mm f/4.5 III E-mount
Continued from post above.

Lower Left & Upper Right corners:





Lower Left & Upper Right Corners







Lower Left







Upper Right

Feb 09, 2017 at 09:51 AM
WestTexas Sky
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p.69 #20Official: Voigtlander 15mm f/4.5 III E-mount
Upper right looks weakest. Did you shot any at f/5.6 or wide open. Test wider. You get a better understanding.

I went through two bad copies before I got a very nice third one. It was frustrating and worrisome but man was I happy with copy #3. So much so I could live without my Loxia 21.......

bluloo wrote:
Continued from post above.

Lower Left & Upper Right corners:

Feb 09, 2017 at 10:07 AM


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