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02-02-2012, 10:24 AM   #16
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Aye, they're really good lenses for what they are. They can't compete with dedicated macro lenses, but they're also less than 1/4 the price. The results someone posted towards the end of the thread using a 100mm macro lens with a raynox are incredible. I wondered about that, nice to see some results.

02-02-2012, 10:49 AM   #17
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In a few words it is difficult to properly quantify the image quality expected from a Raynox 150 on the DA 55-300

One way to say it is that for natural subjects & electronic displays the results may be indistinguishable from that of a perfect lens; except for the edges - but look at example macros - it is very unusual for edges to matter.

This description probably also holds for the Marumi +5 which costs about $20 less than the Raynox 150.

Last edited by newarts; 02-02-2012 at 10:54 AM.
02-02-2012, 04:02 PM - 1 Like   #18
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Some info: https://www.pentaxforums.com/forums/pentax-lens-articles/152336-cheap-macro-b...lose-work.html

Keep in mind that different macro techniques involve certain working distances. With powerful +dioptre adapters like the Raynox DCR-250, or reversed camera lenses, or short focal length lenses on extension, you must work VERY CLOSE to achieve significant magnification. If shooting living critters or flowers etc outdoors handheld at magnification 1:1 or less, a macro lens in the 90-200mm range is often preferred. If shooting wee tiny dead stuff indoors with the camera tripodded, reversed or stacked lenses or short focal length lenses on extension may be preferred.

Another consideration: Is edge-to-edge flatfield sharpness required? If such sharpness is needed, then a macro lens, or an enlarger lens on extension, are the preferable tools. If not, a Raynox or even a simple cheap +dioptre adapter may be sufficient. Such adapters have several benefits: They don't eat light. They don't interfere with camera automation. They don't require special gear. They're small, inexpensive, convenient. They're a good place to start.
02-02-2012, 07:28 PM   #19
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I didn't see anyone mention a teleconverter with the glass removed. It makes a dandy extension tube. Depending on what teleconverter you start with, you can get full meter function and even auto focus. Not sure how important auto focus is with macro though.

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