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12-20-2012, 11:42 AM   #1
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Looking for Macro Kmount reverse adapter for the K-01smc PENTAX DA 40mm F2.8mm XS

This is a very nice lens and I want to try it out for macro photography be reversing it but I am unable to find the proper size adapter for K mount Pentax cameras.

This is the 40mm lens that was made for the K-01 camera.

PentaxWebstore.com:smc PENTAX DA 40mm F2.8mm XS smc PENTAX DA 40mm F2.8mm XS


I think it would work out nicely for macro photography. Adapter needs to go from Kmount spec to threaded 27mm to fit it. I can't find this size of adapter.


Please help.

12-20-2012, 12:55 PM   #2
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Bear in mind that it has no aperture ring and only 5 elements... But if you are set on this, ebay is probably your friend, a merchant called jinfinance usually has everything you need for obscure adapters. I have bought endless things through him. You want a combo, something like k to 49 then 49 to 27. Make sure you get the male/female thing right =)
12-20-2012, 01:17 PM   #3
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QuoteOriginally posted by Nass Quote
Bear in mind that it has no aperture ring and only 5 elements... But if you are set on this, ebay is probably your friend, a merchant called jinfinance usually has everything you need for obscure adapters. I have bought endless things through him. You want a combo, something like k to 49 then 49 to 27. Make sure you get the male/female thing right =)
+1...
there are thousands of available el cheapo 50mm's w/aperture rings that would yield much better results.
12-20-2012, 02:45 PM   #4
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QuoteOriginally posted by Nass Quote
Bear in mind that it has no aperture ring and only 5 elements... But if you are set on this, ebay is probably your friend, a merchant called jinfinance usually has everything you need for obscure adapters. I have bought endless things through him. You want a combo, something like k to 49 then 49 to 27. Make sure you get the male/female thing right =)


I plan on making the aperture stick wide open.


I have a K to 49 but I can't find the 49 to 27.

If anyone sees one please post a link.

This piece shouldn't cost more than $10.


I have a perfectly fine prime 40mm and I don't see any reason to buy another lens. I bought the Q with this lens to use it.

12-20-2012, 05:12 PM   #5
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Try looking for a k to 52 and 52 to 27 on ebay. There's a lot more stuff around for 52 than 49
12-20-2012, 07:51 PM   #6
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QuoteOriginally posted by Nass Quote
Try looking for a k to 52 and 52 to 27 on ebay. There's a lot more stuff around for 52 than 49
I looked and looked and couldn't find anything for 52mm to 27 either.

I really just want a single PK mount to male 27mm adapter. That would be perfect. Somebody please make it.
12-21-2012, 02:37 AM   #7
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K to 52mm reverse adapter + 27-52mm step-up ring:
52mm Macro Reverse Adapter Ring for Pentax K PK Mount | eBay
27 52mm 27 52 27mm to 52mm Step Up Ring Filter Adapter | eBay
or
27 52 mm 27 to 52 27mm 52mm Step Up Filter Ring Adapter | eBay

or use two step-up rings with your k to 49mm reverse ring:
37 49mm Step Up Metal Adapter Ring 37mm Lens to 49mm Accessory | eBay
27 37mm Step Up Metal Adapter Ring 27mm Lens to 37 mm Accessory | eBay

If you can find them from the same vendor it would be better shipping-wise. I did not try to match vendors. Stacking two step-up rings will add a few millimeters but shouldn't have much of an effect.

I recommend you get a set of lens filter wrenches too. These are invaluable and will save you much frustration trying to improvise something to remove jammed filters and rings. I keep a set of them in my camera bag.

Camera Lens Filter Wrench 2 Set 49mm 58mm 67mm 77mm 72 | eBay
12-21-2012, 06:01 AM   #8
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Thanks not a #.


Looks like a good fix for what I want to do.

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