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Pre-war FED-36 100mm/6.3 samples on Sony A7
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PostPosted: Mon Sep 21, 2020 9:38 pm    Post subject: Pre-war FED-36 100mm/6.3 samples on Sony A7 Reply with quote

Here are some photo samples taken with a FED-36 100mm/6.3 adapted for a use on Zenit M39. But I'm using it on Sony A7. It's not a coated lens, it was produced in 1938-1941 period. Quite impressive for its age. Contrast and colors adjusted in Camera raw.

Here is its optical design:




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PostPosted: Tue Sep 22, 2020 5:41 am    Post subject: Reply with quote

Like 1 Like 1 Like 1

the nice job
the interesting lens


PostPosted: Tue Sep 22, 2020 8:19 am    Post subject: Reply with quote

Looks good.
Can you show a photo of the lens?


PostPosted: Tue Sep 22, 2020 8:56 am    Post subject: Reply with quote

+1
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PostPosted: Tue Sep 22, 2020 10:20 am    Post subject: Reply with quote

Impressive Like 1 .


PostPosted: Tue Sep 22, 2020 11:32 am    Post subject: Reply with quote

Like 1 Like 1 Like 1


PostPosted: Tue Sep 22, 2020 6:45 pm    Post subject: Reply with quote

Not bad at all!


PostPosted: Tue Sep 22, 2020 9:27 pm    Post subject: Reply with quote

Thanks!

uddhava wrote:
Looks good.
Can you show a photo of the lens?








PostPosted: Wed Sep 23, 2020 7:42 am    Post subject: Reply with quote

Thank you.
The lens looks nice and also compact.


PostPosted: Wed Sep 23, 2020 11:04 am    Post subject: Reply with quote

uddhava wrote:
Thank you.
The lens looks nice and also compact.


Yes, it's a little 100mm lens


PostPosted: Wed Sep 23, 2020 11:11 am    Post subject: Reply with quote

Very Nice- I need to keep an eye out for one.

4 elements in two groups- I believe it is similar to the later Minolta 11cm F5.6.

https://lens.ws/chiyoko-110mm-f5-6/


PostPosted: Wed Sep 23, 2020 5:11 pm    Post subject: Reply with quote

very organic feel from the photo's,

looks really unique to me.

would like to see that lens on B&W film ...


PostPosted: Wed Sep 23, 2020 8:29 pm    Post subject: Reply with quote

alex_d wrote:
very organic feel from the photo's,

looks really unique to me.

would like to see that lens on B&W film ...


You only have to ask for it! Very Happy

All photos taken with Zenit Automat.

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PostPosted: Fri Sep 25, 2020 9:36 am    Post subject: Reply with quote

Merci !


PostPosted: Sat May 06, 2023 3:41 pm    Post subject: Reply with quote

I received my sample of the FED f:6.3 /100mm. It looks almost like new with clear optics and on even a trace of cleaning marks! Amazing after almost 90 years including the second world war!

FED f:6.3 / 100mm by Alexander Kraus, auf Flickr

And next to its siblings:

The Triumvirate by Alexander Kraus, auf Flickr


PostPosted: Sat May 06, 2023 3:50 pm    Post subject: Reply with quote

The perfomance is amazingly good considering its age and simple construction. Due to the low number of only 4 glass-air sufaces, the contrast is surprisingly high for an uncoated lens!

This is the performance at far distance at f:6.3 and out of cam:

FED f:6.3 / 100mm by Alexander Kraus, auf Flickr

Medium distance, f:6.3, OOC

FED f:6.3 / 100mm by Alexander Kraus, auf Flickr

And closest at 1m, f:6.3. OOC

FED f:6.3 / 100mm by Alexander Kraus, auf Flickr

Stopping down doesn't really improve the image quality. It just increases the depth of field. Below f:9 the iris blades have an adverse impact on the image quality as they are quite shiny and therefore cause additional internal reflections.


PostPosted: Sat May 06, 2023 3:51 pm    Post subject: Reply with quote

I forgot to mention that the pictures were taken with a Sony A9 body.


PostPosted: Sat May 06, 2023 4:32 pm    Post subject: Reply with quote

FED 6.3/100mm @ f:6.3

Leo by Alexander Kraus, auf Flickr


PostPosted: Sat May 06, 2023 5:17 pm    Post subject: Reply with quote

Very good samples here!


PostPosted: Sat May 06, 2023 6:14 pm    Post subject: Reply with quote

Thank you Smile

Here is another example:

Tulips by Alexander Kraus, auf Flickr


PostPosted: Sat May 06, 2023 7:55 pm    Post subject: Reply with quote

Alex Kraus wrote:
Thank you Smile

Here is another example:

Tulips by Alexander Kraus, auf Flickr


Great results!


PostPosted: Sun May 07, 2023 8:22 pm    Post subject: Reply with quote

Alz river near Ischl by Alexander Kraus, auf Flickr


PostPosted: Sun May 07, 2023 8:22 pm    Post subject: Reply with quote

Alz river near Ischl by Alexander Kraus, auf Flickr


PostPosted: Sun May 07, 2023 8:23 pm    Post subject: Reply with quote

Alz river near Truchtlaching by Alexander Kraus, auf Flickr


PostPosted: Sun May 07, 2023 8:24 pm    Post subject: Reply with quote

Lake Seeon by Alexander Kraus, auf Flickr