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Post Processed Test Shot
The same test shot, after a bit of post processing and cropping, microcontast adjustment, and color push.
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Cleaned Yashica ML 28-85mm - Test Shot
After the teardown and cleaning. Test photo subject: 1946 Leica IIIc w/ 1932 Nickel 50mm Elmar f/3.5, and a Tewe Poly Focus 35-200…
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Yashica ML 28-85mm, Cleaned and Ready
The freshly cleaned Yashica ML 28-85mm back on the NEX F3 to try a new post-cleaning test shot. Included is a screw-in metal hood…
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Yashica ML 28-85mm Cleaned and Assembled
Cleaned lens after full reassembly with the face ring in place. No residue or hazing is visible. The outer front element gets the…
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Yashica ML 28-85mm Reassembly
Reverse the tear-down process, using a new/clean Pec-Pad to support the optical block as it's raised and inserted into the upside-…
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Yashica ML 28-85mm - Group 2 Clean
A front view of the cleaned 2nd optical block that is exposed after the 1st block's removal. This is the other element that develo…
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Yashica ML 28-85mm - Group 1 Cleaned
The cleaned lower lens of the optical block. There is still a minute amount of haze on another element in this group, but it isn't…
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Yashica ML 28-85mm Teardown and Clean
View of the optical block from the side. Note the long threaded section with excess 'gunk', the screw-on edge cap at the rear of t…
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Yashica ML 28-85mm Teardown
Place a Pec-Pad on the lens front and quickly invert it. The entire front optical block will drop into your hand. A view of the co…
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Yashica ML 28-85mm - Group 1 Removal
The spanner is opened to near it's maximum width, and the brad-point tip ends are placed into the 2 holes on the block. Counterclo…
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Yashica ML 28-85mm Teardown
Lens ring removal shows the 2 spanner holes in the threaded holder for the front element group's assembly block. No screw loosenin…
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Yashica ML 28-85mm Teardown Workspace
Repair workspace: Using a black 3mm Neoprene sheet for a non-bouncy work surface, Pec-Pads for glass handling, Feola watchmaker du…
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Yashica ML 28-85mm
Another view angle before cleaning. Faint traces of the blue-ish haze rings are visible behind the front element block. The deposi…
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Yashica ML 28-85mm - Cloudy Haze
The front ring is ready for removal. Notice the cloudy/milky haze in the front lens block. I prefer to clean optical glass with "R…
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Front lens Ring removal
The filter size is 67mm. An inverted 58mm metal hood with 65mm lip diameter is placed on a scrap of 3mm neoprene for grip, and a f…
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Lens prior to cleaning
It's difficult to view the haze in photos due to the lens coating. Left: Front element before cleaning. Right: A yellow overlay il…
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Yashica ML 28-85mm f/3.5-4.5 Macro - Test shot
A pre-cleanup test shot on a Sony NEX-F3. The heavy haze buildup has effected contrast, color rendering, and has softened the focu…
