New Member Registered: November, 2013 Posts: 14
1 user found this helpful
| | Review Date: August 5, 2019 | Recommended | Price: $125.00
| Rating: 10 |
| Pros: | very sharp lens with ED-glass | | Cons: | heavy | | Sharpness: 10
Aberrations: 9
Bokeh: 8
Handling: 8
Value: 10
Camera Used: k-x k-200, k-s1, k-5 fuji x-t100 + x-e1
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a jewel of lens construction 
++ excellent sharpness
++ very fine bokeh
++ neutral color rendition
++/+ scarecely flare
++ no remarquable CAs (like ZEISS Sonnar 4/135)
++ with a self made focal reducer (an achromatic front element of a binocular 7x50 fitted into a macro tube) 0.7x an excellent 2.0/120 macro lens - extremely sharp and nearly no CA's because of fluorite glass  (optical design of the a.m. combination 7/4)
9.5 points and very high recommendation !!! NB. Best apertures 5.6-11
high professional resolution about 85 LP/mm = 170 black and white lines per mm with Fujifilm 24 MP, due to one fluorite glass element therein. Best ZEISS quality.
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Pentaxian Registered: April, 2015 Location: USA Posts: 2,844
2 users found this helpful
| | Review Date: June 16, 2017 | Recommended | Price: $450.00
| Rating: 9 |
| Pros: | Tripod mount, Zeiss colors/depth/bokeh, no colored fringing | | Cons: | Large/heavy, Not technically sharp | | Sharpness: 9
Aberrations: 10
Bokeh: 10
Handling: 8
Value: 10
Camera Used: K1
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My lens is the Zebra version. I purchased my lens very cheap because it's aperture is stuck wide open. So, all of the below images were taken at f/2.8. I may cut some cardboard disks and insert them inside the lens to see how it performs stopped down a bit.
Sharpness is only "average" - you would not want to use this lens for "technical" images that require great sharpness. Big heavy lens, thank goodness for the tripod mount on it - most would not want to handhold it for very long.
But oh, the lovely artistic images it produces!
Compared to my Zeiss ZF 100/2 and Zeiss Milvus 85/1.4 lenses, the sharpness of this older Sonnar design can't compare to these newer designs. However, the bokeh/depth/colors I get out of this older CZJ Sonnar lens are just about as good as the bokeh/colors/depth I get out of these other expensive premium lenses.
[IMG] _IMG0919 by Dave Weber, on Flickr[/IMG]
 _IMG0951 by Dave Weber, on Flickr
 _IMG0949 by Dave Weber, on Flickr
P.S. I've really come to love the defective version of this lens that I wrote the above review on! In fact, I just spent 4 times ($440) what I purchased the defective one for ($110), to get my hands on one in mint condition. Can't wait to see how this second version performs stopped down a bit. | |
Forum Member Registered: December, 2012 Location: Warsaw Posts: 83
2 users found this helpful
| | Review Date: April 22, 2016 | Recommended | Price: $175.00
| Rating: 10 |
| Pros: | Color, sharpness, bokeh, f/2.8, FF & 6x6 ready!!! Very usefull, rotatable tripod collar, lens shade added, superb build quality. | | Cons: | Size and weight must be considered but rather typical for f/2,8 tele. | | Sharpness: 9
Aberrations: 8
Bokeh: 10
Handling: 9
Value: 10
Camera Used: K5
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Carl Zeiss 180mm f/2,8 Sonnar lens with PENTAX mount - if it ever existed - I would expect it's price to go high over my abilities. This Pentacon Six lens I got almost new in my friend's shop for good price.
Fully usable wide open, SHARP after next 1/2 click, VERY SHARP from f/4 on.
Strongly lit, contrasty scenes at f/2.8 will be rendered with some "portrait softness", but after 1/2 - 1 click all is ok.
This classic Zeiss lens handles colours and especially skin tones in superb way. Combined with Pentax imaging software and 16MP sensor of the K5 - you get very good results.
CA is rather expected on classic non-ED tele glass. Post processing handles it with no problem, so I don't list it as a drawback.
Size and weight should be taken under the consideration, but any 180-200mm f/2.8 is big and heavy. I have no problem to use it hand-held and thanks to SR - 1/30 is not a problem.
The lens is actually quite compact (thick in diameter though) and a screw-in sunshade is included.
Good lens, great fun!
Carl Zeiss Sonnar 300mm f/4 in P6-mount is another story. See my next review.
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Junior Member Registered: January, 2016 Location: Warsaw Posts: 32
3 users found this helpful
| | Review Date: January 8, 2016 | Recommended | Price: None indicated
| Rating: 8 |
| Pros: | Sharp, colors, coating. | | Cons: | Is a big and heavy. | | Sharpness: 10
Aberrations: 8
Bokeh: 9
Handling: 6
Value: 9
Camera Used: K-3
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I have two version MC and Zebra, in my opinion a MC is better than zebra. This a heavy weight lens and big lens. But sharp and have a nice colors.
K-3 and MC Sonnar at f/2.8  | |
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