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ursa · Mar 10, 2004, 10:29 AM

I seem to have misplaced my manual for my G2.

Can some one let me know what the add on macro lens is - I have a 72mm 500D two element addon diopter. I know I'd need the extension tube from the base of lens to the add-on lens - what is the size of filter that connects to it.

I'm wondering if I could use step up rings to in order to attach my close-up lens to my G2.

johnson · Mar 11, 2004, 11:37 AM

Im not understanding your question. Can you rephrase?

The size of the end thread depends on what lens adapter you use. The one from http://www.lensmateonline.com/buy.html has a 49mm thread size and most people just reverse a 50mm f1.4 lens.

The adapter from Canon has a 58mm thread, but its quite big which blocks the AF light, internal flash, and viewfinder.

ursa · Mar 11, 2004, 3:57 PM

thanks,

I was going silly trying to find that info. If the Canon adapter ends up as a 58mm thread than it would use the 250D macro lens. I could use a reversed 50mm lens - I hadn't thought of that - though I'd have to get a step up ring. The lens I'd use is a 50mmf1.7 with 55mm threads.

johnson · Mar 12, 2004, 2:56 AM

The 250D also comes in 52mm size.

Mar 10, 2004, 10:29 AM	#1
ursa Senior Member Join Date: Jun 2002 Posts: 227	question on macro adapter for G2 I seem to have misplaced my manual for my G2. Can some one let me know what the add on macro lens is - I have a 72mm 500D two element addon diopter. I know I'd need the extension tube from the base of lens to the add-on lens - what is the size of filter that connects to it. I'm wondering if I could use step up rings to in order to attach my close-up lens to my G2.

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Mar 11, 2004, 11:37 AM	#2
johnson Junior Member Join Date: Feb 2004 Posts: 10	Im not understanding your question. Can you rephrase? The size of the end thread depends on what lens adapter you use. The one from http://www.lensmateonline.com/buy.html has a 49mm thread size and most people just reverse a 50mm f1.4 lens. The adapter from Canon has a 58mm thread, but its quite big which blocks the AF light, internal flash, and viewfinder.

Mar 11, 2004, 3:57 PM	#3
ursa Senior Member Join Date: Jun 2002 Posts: 227	thanks, I was going silly trying to find that info. If the Canon adapter ends up as a 58mm thread than it would use the 250D macro lens. I could use a reversed 50mm lens - I hadn't thought of that - though I'd have to get a step up ring. The lens I'd use is a 50mmf1.7 with 55mm threads.

Mar 12, 2004, 2:56 AM	#4
johnson Junior Member Join Date: Feb 2004 Posts: 10	The 250D also comes in 52mm size.