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09-23-2013, 10:57 AM   #1
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I acquired something very interesting. . .



There's practically nothing written about this lens on the internet. I'll post a full review with test shots at a later date, but for right now, let me just say the first test shots render very. . . uniquely.

09-23-2013, 11:01 AM   #2
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Yashica 21mm F3.3, huh..
09-23-2013, 11:07 AM   #3
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Nice! Just little slower than DA 21
09-23-2013, 11:09 AM   #4
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If I ever find one of those things I'll have to buy a K-01, I wouldn't risk doing the mirror lockup with the K-5. I'm curious to see what a non-retrofocus 21mm will do on digital.

09-23-2013, 11:13 AM   #5
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The reason nothing's written on the internet about it is that this design was bought along with full rights by a certain camera maker, which released it as a premium lens... However, certain prototypes have survived to this day, despite the company's efforts to keep them a secret so as to make their users believe it was their original design.
[conspiracy mode off]

Looking forward to images.
09-23-2013, 11:42 AM   #6
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Interesting indeed!

M42 Yashica 21_3.3
09-23-2013, 11:47 AM   #7
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So it doesn't hit the shutter?
09-23-2013, 11:59 AM   #8
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Was looking at this lens earlier this year but gave it up as I was afraid the rear element would be to large to fit inside the K-01. Damn it now I might need to pick one up after all.

09-23-2013, 12:27 PM - 1 Like   #9
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Jpg straight from the camera, f/8 Surprising center sharpness as old M42 super wides are not exactly known for being sharp.
09-23-2013, 12:29 PM   #10
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QuoteOriginally posted by VisualDarkness Quote
So it doesn't hit the shutter?

Nope, but it's tight. The rear element is almost the same dimensions as the hole.
09-23-2013, 12:32 PM   #11
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Nice purple vignetting
09-23-2013, 12:38 PM   #12
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Well non-retrofocal lenses are usually sharper, the purple vignette is probably from the light spreading at a too sharp angle, did not expect it too be that extreme though.
09-23-2013, 12:57 PM   #13
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Nice!
09-23-2013, 02:44 PM   #14
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Great lens.
09-23-2013, 06:55 PM   #15
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QuoteOriginally posted by konraDarnok Quote
Jpg straight from the camera, f/8
Photozone's review of the Voigtlaender Heliar on the NEX
explains how to correct that kind of colored vignetting:

Voigtlander Ultra-Wide Heliar 12mm f/5.6 Aspherical II on Sony NEX - Review / Lens Test Report - Analysis
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