subha Posted February 8, 2011 Share Posted February 8, 2011 <p>I am looking into Macro Ring Flash by Opteka and other 3rd party manufacturers. <br /> My lens is: Sigma HG 17-70mm f2.8-f4.5 1:27 mag. I am using Opteka extension tubes. I have captured this little fella who flew into our kitchen here in Southern India. I used the built in flash. I did try the shoemount flash : 420EX and I saw shadows. <br /> My lens thread filter size is 72mm. And I would like to also use my Sigma 70-200mm f2.8 HSM whose filter size is 77mm.<br /> However most of these sell adaptor rings upto 67mm and say they sell 72mm/77mm separately.</p> <p>here is my question. Will it make a big difference with Macro flash ring? <br /> And how do I get the 72mm adaptor ring from places like Amazon or eBay?</p> <p>Advice and ideas?<br /> Subha</p> Link to comment Share on other sites More sharing options...
subha Posted February 8, 2011 Author Share Posted February 8, 2011 <p>Attached image</p><div></div> Link to comment Share on other sites More sharing options...
parv Posted February 8, 2011 Share Posted February 8, 2011 Subha make sure that you get a flash not "ring light". If interested in Opteka RL 600 flash, see also ... Without an adapter, you won't be able to mount the flash on lens; otherwise it would be cumbersome managing flash & camera, each in each hand. I must be missing something in understanding "And how do I get the 72mm adaptor ring from places like Amazon or eBay?" properly, for I would think that one would just order one which would arrive by mail|courier service. You could acquire a sync cable (the kind which has one end that goes over the camera hot shoe, in case of lacking suitable ports) for your "420 EX" flash (is it a Canon flash?). Then place the flash to properly illuminate the subject. BTW, does your camera and/or flash lack wireless capability (the setting where camera built in flash would control|fire another compatible flash without needing anything else)? Link to comment Share on other sites More sharing options...
dale_maribao Posted June 12, 2011 Share Posted June 12, 2011 <p>Hello, I have recently purchased the macro ring light (Neewer brand) from amazon.com. But the adapters that came with it will not fit my macro lens. I have a Sigma 150mm f2.8 lens which has a 72mm lens filter size. (The largest adapter that came with it is 67mm). So I purchased the Sigma macro ring flash adapter (72mm) thinking it would work. No luck. Anybody knows a way to work around this? Thanks for your help.</p> Link to comment Share on other sites More sharing options...
parv Posted June 13, 2011 Share Posted June 13, 2011 Short of a 67 mm to 72 mm step up adapter, with possibly heavy vignetting, I don't have any other suggestion. Link to comment Share on other sites More sharing options...
parv Posted June 13, 2011 Share Posted June 13, 2011 Forgot to add to make sure that the ring can physically accommodate 72 mm adapter. Regardless of that, I doubt that a simple filter adapter would work as I had suggested previously. So please ignore both of my replies. Link to comment Share on other sites More sharing options...
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