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Kuribayashi K.C. Petri Orikkor 1:3.5 f=35mm
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PostPosted: Wed Aug 18, 2021 9:03 pm    Post subject: Kuribayashi K.C. Petri Orikkor 1:3.5 f=35mm Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:15 pm; edited 1 time in total


PostPosted: Wed Aug 18, 2021 10:37 pm    Post subject: Reply with quote

Wow.
That's sharp.
Amazing really
Tom


PostPosted: Wed Aug 18, 2021 11:06 pm    Post subject: Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:16 pm; edited 2 times in total


PostPosted: Thu Aug 19, 2021 12:00 am    Post subject: Reply with quote

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PostPosted: Thu Aug 19, 2021 12:15 am    Post subject: Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:49 pm; edited 1 time in total


PostPosted: Fri Aug 20, 2021 12:41 am    Post subject: Reply with quote

That is I believe one of the Kyoei Acall rebranded series that Petri sold with its early SLR's. I had several, but I never tried them with IR or UV.

Excellent work!


PostPosted: Fri Aug 20, 2021 4:45 am    Post subject: Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:15 pm; edited 1 time in total


PostPosted: Fri Aug 20, 2021 7:57 am    Post subject: Reply with quote

Great result using a great for UV lens! There are several copies of this lens, but nothing beats the original version!

As someone has already posted the link to my site, I don't have to do that again Wink

You might want to consider doing UV white balancing using matted (sanded down) white Teflon (alcohol rinsed and untouched)


PostPosted: Fri Aug 20, 2021 3:12 pm    Post subject: Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:15 pm; edited 1 time in total


PostPosted: Fri Aug 20, 2021 5:58 pm    Post subject: Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:15 pm; edited 1 time in total


PostPosted: Sat Aug 21, 2021 5:00 am    Post subject: Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:15 pm; edited 1 time in total


PostPosted: Sat Aug 21, 2021 8:33 am    Post subject: Reply with quote

That warning is caused by that odd (for the camera) color distribution, nothing to worry about!

Looks better - I do lift the shadows a bit at times to not lose structures in the dark center.

The Baader-U is my "work horse" since about 10 years now, hard to find a better one...


PostPosted: Thu Oct 21, 2021 8:40 am    Post subject: Reply with quote

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Last edited by Blazer0ne on Tue Feb 22, 2022 5:16 pm; edited 1 time in total


PostPosted: Thu Oct 21, 2021 9:30 am    Post subject: Reply with quote

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PostPosted: Thu Jul 18, 2024 9:49 pm    Post subject: Reply with quote

Reviving an old topic

kuribayashi petri orikkor 35mm k.c 3.5 lens m42

Hi all

I stumbled upon this old UV lens for spares and repairs, and I couldn't resist buying it. Looking online, the only information I found is the link below.


https://www.ultravioletphotography.com/content/index.php?/topic/1588-kuribayashi-petri-35mm-f35-lens-uv-transmission/


It indicates that it is a UV lens.

So I have a couple of questions:

1. What is the use case of this lens? I can use a full-spectrum camera with a UV filter attached to any lens to achieve UV photography. But what is the difference when this lens is adapted to a mirrorless camera?

2. There are some technical issues with the lens. The focus ring seems to be not working—it is loose, and the screw on it moves with it. When I try to turn the ring, it just moves freely without affecting the helicoid. Additionally, the M42 cap is very stuck to the back of the lens. When I try to unscrew it, the focusing ring and screws come off, exposing the cap on the back. The upper half contains all the optical elements, while the lower part has none. I will provide pictures when I can; I am currently away.

Additionally, does anyone on the forum have a similar lens or experience with a similar lens?

Thank you for your help.

Badr