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04-27-2014, 03:31 PM - 2 Likes   #1
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Canon 500d + Pentax DA* 60-250mm

For those of you thinking you could use your Pentax DA* 60-250mm for close up work, the answer is: absolutely! Just add an achromat close-up lens (such as the Canon 500d) and you will have a great lightweight system. One thing I discovered is that the 58mm (with a 67-58mm step down ring) is big enough to cover everything without any vignetting at all (see photo). I suspect that the DA* 60-250mm can probably cover a full-frame sensor which might explain this behavior. For "maximum closeness", set your lens to 250mm & infinity. As shown in the attached image, you can capture an item that is approximately 1 7/8" wide (i.e. 48mm) -- which fills the Pentax crop-sensor's width, big enough for a good-sized butterfly. A quick analysis of the IQ show no noticeable chromatic aberration @ f/8 (I didn't try wide open due to the razor-thin depth of field). Hopefully, this might help someone who is on the fence. This lens continues to impress me with just how flexible it is.



other image sizes: https://www.flickr.com/photos/mjsfoto1956/14040868835/sizes/l

Michael

04-27-2014, 09:36 PM   #2
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This is awesome! Thank you for the tip.

Peter
04-27-2014, 11:51 PM   #3
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I would probably spend a fortune to buy a 200mm macro if it were available and then have the headache of carting it around. My 60-250 is the first lens I pack so converting it to a macro is brilliant. Thanks for sharing the experience. Any reason you went for the canon lens? do you think the Hoya 67mm +3 Close-Up Pro 1 Digital Multi-Coated Glass Filter would do the same ?
04-28-2014, 05:36 AM   #4
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The Canon 500D consistently gets high marks from everyone on the internet. I haven't tried others, but there is plenty of information "out there" to assist you in your research. YMMV.

Michael

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