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Takumar 300/6.3
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PostPosted: Sun Feb 14, 2010 10:36 pm    Post subject: Reply with quote

Here's a heavy crop from the center of an image with the Tak 300.
Wide open, and closest focus possible (about 4 meters or so). Not
sharpened or enhanced. I cropped approximately 2/3 of the image
away.

For wide open (6.3), it looks pretty good to me. I caught most of
it within the narrow depth of field, and I realize that the center is
going to look better than the edges. But overall, I'm pleased with
the output at least on this heavily cropped image.

Patriotic Wreath at Gravesite
Pentax K110D with M42 adapter
Takumar 300/6.3 wide open
Shutter speed not recorded


PostPosted: Sun Feb 14, 2010 10:43 pm    Post subject: Reply with quote

Mal1905 wrote:
siriusdogstar wrote:
Confusing is my source has 5 lenses in 5 groups for both 5.6/200 and 6.3/300.


My original source (G van Oosten's book) gave me the 5/4 & 5/5 information, whereas I've just now checked the Honeywell Pentax Takumar Lens Manual and it tells me both are 5/5...


GREAT lookup! That is nice, to have the configuration confirmed. THANK YOU!


PostPosted: Sun Feb 14, 2010 10:55 pm    Post subject: Reply with quote

Laurence wrote:
GREAT lookup! That is nice, to have the configuration confirmed. THANK YOU!


Checked Mr van Oosten's book again - the schematic for the lens is correct (5/5), he was off with the elements/groups data though when typing!

Yet again, the 'measure twice, cut once' nugget applies to me Embarassed


PostPosted: Mon Feb 15, 2010 2:48 am    Post subject: Reply with quote

Asahi Tele-Takumar 6.3/300 wide open 5D1 ISO1600 1/2000 handheld actual pixels:



Last edited by visualopsins on Tue Feb 16, 2010 2:48 am; edited 1 time in total


PostPosted: Tue Feb 16, 2010 2:19 am    Post subject: Reply with quote

Impressive output, considering these are actual pixels! Shocked Coloration seems very good, and no flare or other problems that
I can readily see.

siriusdogstar wrote:
Asahi Tele-Takumar 6.3/300 wide open 5D1 actual pixels:



PostPosted: Wed Feb 17, 2010 8:24 am    Post subject: Reply with quote

Actual pixels cropped from


5D1 ISO1600 1/2000 Handheld + M42 Asahi Tele-Takumar 6.3/300 @f/6.3
RAW developed and resized 16-bit Tiff then converted to jpeg in Canon DPP; no adjustments to levels or curves.


PostPosted: Wed Feb 17, 2010 4:14 pm    Post subject: Reply with quote

Very nice acquisition Laurence. Would look nice next to my 200mm Tele-tak. I've looked at several of these but they keep getting the price bumped so high I couldn't see spending that much. Have you any photos of the lens itself?