indianadinos
Joined: 06 Jul 2008
Posts: 1310
Location: Toulouse, France
Expire: 2011-12-05
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 Posted: Sat May 09, 2009 9:16 pm Post subject: Dremelling a lens ... [4 x ~200K pics] |
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indianadinos wrote:
Hi all,
Last week-end i found a Vivitar 75-205/3.8 in P/K mount in a montly street market here ... I was at first disappointed, as it didn't fit my K10D, although it was on an old Pentax body. Then, i asked on a forum about this behavior, and got a reply pointing me to the size of the rear flange of the lens ...
So, finally i bought it (with a 50% discount from the seller, since it was not directly usable on a digital body), and dremelled its rear flange, using another P/K lens as model ...
Now, it perfectly fits my K10D, and i have been quite impressed by its IQ:
Wide open:
Full res picture here
At f/5.6, focused on the apple:
Full res picture here
At f/5.6, focused on the building reflected in the apple:
Full res picture here.
At f/5.6:
Full res picture here
C&C are welcome ...
_________________
Please visit my blogs Shooting with a Pentax K10D / FF Visions
Takumar: 24/3.5, 28/3.5, 35/2, 35/3.5, 50/1.4, 55/1.8, 85/1.8, 105/2.8, 120/2.8, 135/3.5, 150/4, 200/4
Pentax-K: M28/2.8, K28/3.5, M50/1.4, A50/1.7, M50/4 Macro, K85/1.8, K105/2.8, K135/2.5, M200/4, M70-150/4
Zeiss: Flektogon 20/2.8, 20/4, 35/2.4, 35/2.8, Tessar 50/2.8, Pancolar 50/1.8, Biotar 58/2, Sonnar 135/3.5, Sonnar 180/2.8
Meyer: Primagon 35/4.5, Domiplan 50/2.8, Oreston 50/1.8, Primoplan 58/1.9, Trioplan 100/2.8, Orestor 100/2.8, Orestor 135/2.8
Schacht/Steinheil: Travenar 90/2.8, Travenon 135/4.5, Quinar 135/2.8, Quinar 135/3.5
Russian: MIR 37B, Industar 50/3.5, Helios 44M & 44M-2, Jupiter 37A
P6: Flektogon 50/4, Biometar 80/2.8, Orestor 300/4
Nikkor: Nikkor-O 35/2, Micro 55/3.5, Nikkor-S 50/1.4, Nikkor-Q 135/2.8
Fuji: EBC 28/3.5, EBC 55/3.5 Macro, EBC 135/2.5
Misc Lenses: Kiron 105/2.8 Macro, Tamron SP90/2.5
... and a few other Vivitar, Tamron, Sigma and Soligor lenses ...
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