24mm PK-A Macro

whelmed · 2010-05-21T17:49:47+0100

Well, my addiction to fast glass has brought me a lovely Sigma 18-50mm EX DC Macro f2.8, so I've got a lot of overlap on my wide end now. Up for sale because of that is my Miranda 24mm f2.8 Macro. It's in great shape, aperture clicks at every stop, and has fully functional auto aperture functions. Focusing is silky smooth, but there is what looks like a few engraved scratch markings on the body. There are no depressions into the metal based on this, so I'm not sure if the original person just wanted to mark his/her lens. Cosmetic only. I try to brutally honest with my lenses, so I took care to photograph it from the back with sunlight behind me to illuminate any specs. There are, as you can see, some very small specs of dust between the elements, but there is no fungus or haze. It's on par with any other older MF lens I have, but I had to mention it. Does not affect the IQ, and can't be seen looking from most angles. I love the IQ of this lens, but I'm posting pics so you can be the judge. When I first got it, it was glued to my camera then took a hiatus as my LBA expanded. The flower is wide open @ f2.8 and you can make the pollen out on the husks. 55GBP including P&P to the UK. That's just less than half what someone has it listed on for. Comes with front/rear caps, but rear is not original - it's an old Pentax lens cap, so it's probably worth more than the Miranda variant. 100% crop of above image. No pp other than clicking auto WB, and auto tone in Lightroom 3 beta 2 and then exporting.

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Anvh Anvh

10412 posts
17 years
Dordrecht,
the Netherlands

Posted 27/05/2010 - 15:17 Link

Mannesty wrote:

Anvh wrote:
With 18cm it would be 1:5,31 with 18,5cm it would be 1:5,53 sadly not much macro but close enough

24mm you only need a small extension tube or reverse mount it and you can get very close.

Should this be measured from the film/sensor plane?

Yes and that has happend.
Lets be optimistic so the dof is at 14cm in the photo and 45mm was added to that and that this the register of the mount brining it to 18,5cm
Is it now correct or not?

Stefan