| Review of: SMC Pentax 135mm F2.5 by D. Obermann on Mon July 24, 2017 | Rating: 9 | View more reviews | |
Views: 372562
Reviews: 71
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Owning it more than 2 years i rediscovered this lens summer 2017
for its FL, its 8 blade aperture and its plastic rendition
- and it was sticky then on my K-1 for three month - until i found a K 1:1.8/85....
My Dobi Koma
K-1 + K 1:2.5/135; @f/2.5; linked to original out of camera jpg
Mrs 3586
K-1 + K 1:2.5/135; @f/2.5; linked to original ooc jpg
Mrs 3586 II
K-1 + K 1:2.5/135; @f/2.5; linked to original ooc jpg
Lord of the Flies
K-1 + K 1:2.5/135; @f/2.5; linked to original ooc jpg.
Halfshadowfax
K-1 + K 1:2.5/135; @f/2.5; linked to originl ooc jpg.
 ...and 257 more ooc shots with this lens @f/5.6...a german doberman show 2017.08.06; a flickr album... | |
| Review of: SMC Pentax-FA 43mm F1.9 Limited by D. Obermann on Fri March 31, 2017 | Rating: 8 | View more reviews | |
Views: 400723
Reviews: 100
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There is an ant queen attacking Dobi Koma aka amok from the left...K-1, @f/1.9...
...linked to original out of camera jpg
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| Review of: SMC Pentax 50mm F1.2 by D. Obermann on Mon November 21, 2016 | Rating: 10 | View more reviews | |
Views: 305184
Reviews: 60
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Wide open and up to f/2.8 it seems to be a little bit more soft than the SMC 1.4/50.
But it is able to produce sharp and contrasty pictures with open f/1.2 apperture at less than 2m subject distances;
depending on light situation and motive.
Bokeh is creamy and you can create nearly impressionistic backgrounds.
Some not post processed jpgs for example;
click into to enlarge original out of camera jpgs.
ISO 100, camera 35mm DSLR Pentax K-1, all open f/1.2 aperture.
harsh noon light
warm afternoon light
hazy noon light
hazy but also harsh noon ligt
(nice f/1.2 spin off: ugly power poles - here are a lot - become nearly invisible - left frame border)
noon light, f/1.2 dof
Edit 2016 12 21:
the shortest days noon.
K-1; K 1:1.2/50; @f/1.2; linked to ooc jpg.
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| Review of: SMC Pentax 50mm F1.4 by D. Obermann on Sun October 30, 2016 | Rating: 9 | View more reviews | |
Views: 227520
Reviews: 43
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Owning this lens a year now i rediscovered it the last days at 35mm.
There did come up a little browning of the rear element after a year covered with a lens rear cap,
but colors are still ok and cooler temperated than with the SMC-M 1.4 50.
Seems to start up open with more contrast and sharpness than the SMC-M.
Have not stopped down beyond f/2.8 so far for my issues.
Some out of camera jpgs for example;
click into to enlarge original out of camera jpgs
f/1.4, ISO 100, K-1
 
f/1.4, ISO 200, K-1
 
f/2.8, ISO 800, K-1
edit 2017 February:
K-1 + SMC Pentax 1.4 50, @ f/5.6, ISO 100, 1/80s; linked to ooc jpg
edit 2018 May, photo taken Nov. 22. 2017:
K-1 + SMC Pentax 1.4 50, @ f/1.4, ISO 100, 1/320s; linked to ooc jpg
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| Review of: SMC Pentax-M 85mm F2 by D. Obermann on Tue September 20, 2016 | Rating: 9 | View more reviews | |
Views: 254278
Reviews: 47
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down scaled out of camera jpg, K-30, f/2.0:
(click into to enlarge original out of camera jpg)
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| Review of: SMC Pentax-M 50mm F1.4 by D. Obermann on Thu February 18, 2016 | Rating: 9 | View more reviews | |
Views: 659348
Reviews: 113
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uncared for a year i rediscovered this gem the last dark days...
down scaled offhanded out of camera jpgs, K-5 IIs, f/2.0:
 
(click into this second to enlarge original out of camera jpg)
crop reveals (golden) pearl necklaces also with K-5 IIs
down scaled out of camera jpg, K-1, f/2.0
crop
p.s. @ wtigga: yours is the also great and with a radioactive Thorium glass rear element built SMC PENTAX K predecessor, ~ 1975-1977...
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| Review of: SMC Pentax-M 28mm F2 by D. Obermann on Wed February 17, 2016 | Rating: 9 | View more reviews | |
Views: 153250
Reviews: 15
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Very compact for this focal length and f/2.0; sharp and rich contrast open; sweet spot seems to be around f/4.0 to 5.6; beyond f/8 or more tight appertures tends to become softer.
Some examples, down scaled out of camera jpgs, K-5 IIs:
f/2.0:
(click into this first to enlarge original out of camera jpg)
        
28mm is wide on 35mm - down scaled out of camera jpg, K-1, f/2.0
(click into to enlarge original out of camera jpg)
f/2.8:
 
f/4.0:
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| Review of: SMC Pentax 35mm F2 by D. Obermann on Sun December 13, 2015 | Rating: 9 | View more reviews | |
Views: 122133
Reviews: 16
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Got my one a month ago.
Today first tests at long last nice light conditions and satisfied with f/2.0 result of focusing a well exposed botanazing model
K-5 IIS, out of camera jpg, 1/2500 s, ISO 200, f/2.0
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| Review of: SMC Pentax 105mm F2.8 by D. Obermann on Sun November 29, 2015 | Rating: 10 | View more reviews | |
Views: 87943
Reviews: 13
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I got my copy 6 days ago, but had only 3 days with some light and less time to test so far...
and i am surprised and satisfied!
Very exact to focus, focus screws around ~ 250°; better than M 100mm 2.8 and M 85mm 2.0.
Some examples, all out of camera jpgs, Pentax K-5 IIs,with a long and tight (APS-C) 52mm in screwed rubber lens hood,
picture style monochrom + digital filter high contrast or picture style color natural.
f/2.8:
    
f/4.0:
  
f/5.6:
  
f/2.8 - f/4.0 - f/?
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| Review of: SMC Pentax-M 50mm F1.7 by D. Obermann on Sat November 7, 2015 | Rating: 10 | View more reviews | |
Views: 941488
Reviews: 246
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This is my favorite lens - not only of more than two dozens of primes from 20mm to 500mm but of all, AF lenses included.
Very sharp at f/2.8, this is my usually f-stop, f/2.0 at darker situations, f/5.6 with good light and for best sharpness, f/1.7 nearly never.
Fast and exact to focus, i am a little more satisfied with this than with my other normal primes ,as there are Pentax A 1.7, M 1.4, K 1.4, K 1.8 55mm and M 2.8 40mm.
There is a small advance to the Ricoh Rikenon 2.0 50mm, which is more detailed at infinity stopped down and nearly lacks of chromatical aberrations, but weaker up to f/4.0.
I tend to buy a second M 1.7 50mm for being sure to have a substitution if there ever will happen any total loss to mine...
Some ooc jpg;
First tests a year ago with K 30 b&w picture style,
f/5.6
 
Tae-Kwon-Dobi, sharp lens for sharp teeth,
f/2.8
  
and K-5 IIs b&w picture style + "high contrast" digital filter,
f/2.8
Edit 2017:
K-1 + M 1:1.7 50mm; both @f/1.7 and linked to out of camera jpgs
my dobi Koma (have a look on her slobber drops :o)
slower mower (eyes out of focus :()
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