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FS: CZJ Flektogon 20mm f4 M42
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PostPosted: Tue May 11, 2010 7:52 pm    Post subject: FS: CZJ Flektogon 20mm f4 M42 Reply with quote

After much pondering I decided to sell this lens, as I never shoot wide angles, and even though it probably has the best colour rendition of all the lenses I own, its maximum aperture is too small for me.

The lenses have no scratches or fungus, and the rear elements have been cleaned by a professional recently. It works great as you can see from the pictures below, despite a couple of minor flaws:

* there's a little bit of play between the front assembly (the one you turn to focus) and the rest of the lens; it's not a wobble, but if you shake it you can feel it; it has no effect I can perceive on its optical qualities

* there are a few very small (1mm or so) filaments in a few spots on the edge of the front lens

My repairman, who used to work at Zeiss and who cleaned the back elements a few months ago, tells me that the lens has seen some good use, but the play between the two assemblies is nothing to worry about; and the filaments are the balsam used to cement the lenses that sometimes flakes a bit at the edges, and again is nothing worrying. I've had this lens for about a year and the filaments have not grown or spread, so I tend to believe him.

I would like to see if there are offers before trying to set a price. Please consider that the lens is working, and getting one from ebay usually involves a higher cost, and the risk of getting a flawed one. It will come with a generic 77mm clip-on front cap, and generic rear cap.

Pics of the lens, and a few shots taken with it recently









100% crop, no sharpening






PostPosted: Thu May 13, 2010 9:38 pm    Post subject: Reply with quote

Sold to Propellor, on its way to Holland tomorrow!


PostPosted: Fri May 14, 2010 9:58 am    Post subject: Reply with quote

I can't wait to try it. Thanks Ludo.


PostPosted: Thu May 20, 2010 7:54 pm    Post subject: Reply with quote

Got it. Great lens, Thanks.

Bart.