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10-09-2014, 08:39 AM   #1
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Raynox DCR-150 on DA 55-300

Hi,

Just received my Raynox DCR-150, while testing it (for a friend) on DA 55-300 to see how much magnification can come out of it. thought maybe share my result here for anyone else interested to know. The math isn't hard, I know we can calculate it, but sometimes a photo tells it better:

I think all the info is in this photo:


You can see it in bigger size on Flickr.

10-09-2014, 09:13 AM   #2
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https://www.pentaxforums.com/forums/122-lens-clubs/74221-raynox-macro-club.html

CLOSE-UP ADAPTERS: Simple uncorrected meniscus +dioptre closeup adapters are cheap and are not great; but corrected adapters can give brilliant results -- see the Raynox Club thread. The fairly inexpensive Raynox DCR-250 reaches 1:1 at about 150mm on a couple lenses I've checked on my K20D. Your mileage may vary! That is, the exact magnification depends on the actual focal length and the focus distance. Adapters don't interfere with AF or auto-aperture; flash is no problem.

PRO: Very to fairly cheap; simple, easy; auto-control if desired.
CON: Imperfect image quality; not flatfield sharp; can be quite acceptable.

Read more at: https://www.pentaxforums.com/forums/54-pentax-lens-articles/152336-cheap-macr...#ixzz3FfIBnjZI
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