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04-28-2011, 12:39 AM   #1
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Recommendations for lens end cap for K mount lens?

One of the lenses I have--Pentax-M 50/f1.4--came with a camera body which didn't come with the lens end cap (that goes on the k-mount side of lens). Any recommendations as to where I should purchase a new end cap? Should I buy an old 1970's end cap, or newer stock? Should I buy an OEM or third party one? Need some help please, thanks.

04-28-2011, 04:11 AM   #2
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I think obsessing about 'original' or 'vintage' lens caps--especially the rear cap--is silly. OTOH, I think it's borderline criminal to ship a lens w/o caps.

Third party front-end caps are available at any photo shop. Rear caps can be bought on eBay. There's a great variety and some are better than others but I haven't kept track. Perhaps someone can ID a eBay seller of good ones?
04-28-2011, 04:46 AM   #3
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Unless you want the gen-u-ine Pentax rear lens cap, it doesn't really make any functional difference on whose unit you get. That said some of the newer and cheaper pentax lenses come with a push on cap that I personally don't particularly like, but functionally they work, I just prefer the screw on type. Rear lens caps can be found at most local camera stores and certainly online at places like Adorama or B&H. I always get the least expensive I can find that aren't pushons.

NaCl(but if you want you can spend a lot more and get a gen-u-ine Ashai antique)H2O
04-28-2011, 05:18 AM   #4
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I got a pack of 4 for $8 on ebay - item 350273001637 from jinfinance. They're very much like Pentax original caps, good quality and so much better than those extremely annoying Tamron and Sigma end caps.

04-28-2011, 06:26 AM   #5
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Thanks JayBee, I am looking into buying those 4 caps now. They look pretty good. Thanks for sharing the item number.
04-28-2011, 08:07 AM   #6
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Do they cover the contacts, JayBee?
04-28-2011, 12:32 PM   #7
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QuoteOriginally posted by dadipentak Quote
Do they cover the contacts, JayBee?
Yes, they do. There's a grooved lip on the rim, and now I know why!
04-28-2011, 01:20 PM   #8
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QuoteOriginally posted by JayBee Quote
Yes, they do. There's a grooved lip on the rim, and now I know why!
Cool--I think I'll order me some. Thanks!

04-29-2011, 01:45 AM   #9
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I just ordered mine. Thanks for the item number.

7samurai
04-29-2011, 05:24 AM   #10
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I've ordered caps from this Ebay seller and he is USA based.

PENTAX K REAR LENS CAPS / 5 CAPS | eBay

The rear lens caps do cover the contacts and he carries M42 caps also.

Tim
04-29-2011, 05:48 AM   #11
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I got these caps. Quality is good, covers the contacts too. The price gets low if you order a bunch.
Pentax DSLR lens Rear cap - eBay (item 260687501833 end time May-03-11 02:59:29 PDT)
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