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Poor-Man's Macro (PLEASE, read the description carefully!) / Discuss

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Newbie, Please help.

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SF-Pow says:

Hey guys,
First of all, I have no idea what I am doing. Perhaps I missed a key bit of information. I recently bought a 52mm-52mm lens coupling ring and a BR-3 for my 18-55mm and 55-200mm. Do these lenses not work together for coupling? I never read anything that said the two don't combine well, but my all I'm getting is black in the viewfinder.
Posted at 7:48PM, 18 February 2008 PDT ( permalink )

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james4765  Pro User  says:

I'm guessing you're mounting the 18-55 reverse? If so, make sure your aperture stays wide open. Looking at my Canon EF-S 18-55, it doesn't have a very large light path...

If you look at a light source, you get absolutely nothing?
Posted 5 months ago. ( permalink )

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SF-Pow says:

My aperture is at F/4, and my 18-55mm is mounted in reverse and I keep it at 18mm. If I point it at a light source, I get a small circle in the middle with weird and funky and blurry lighting. I have twisted just about every knob and pushed every button. I know people out there have both of these lenses, can anyone put them together and try it?

Any ideas?
Posted 5 months ago. ( permalink )

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luisalegria  Pro User  says:

It could be your 18-55 doesn't stay wide open, as james says. I am not familiar with this lens, but it may be one of those that are too fully automated for their own good. If its reversed it wouldn't be controlled by the camera body, and it may default to minimum aperture.

Do you have any other lenses to try ? Any plain manual 50mm lenses for instance ? Try one of these reversed.
Posted 5 months ago. ( permalink )

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inthebag.golf  Pro User  says:

Try it the other way around, mount the 18-55mm on the camera and go with the 55-200 reversed. The only other suggestion I can make is to get a 50mm 1.8. They are not expensive and make sure your higher aperture lens is reversed. See the thread im new to reverse ring macro and...
Originally posted 5 months ago. ( permalink )
inthebag.golf edited this topic 5 months ago.

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PaulBW  Pro User  says:

I use Pentax.
The newest DA lenses, dont have an aperture ring.
The aperture is set by the camera.
Off camera it 'rests' with the aperture at f22.
When it goes on the camera it becomes wide open, so that there is enough light for focusing.
It will stay wide if you force this on the A setting.
You second lens is probably 'resting closed' at f22.
you need to set the aperture ring if you have got one to wide open.
If you haven't got an aperture ring, then you'll have to find a lens with one - e.g. an old lens.
If you are feeling brave (courage or stupidity) wedge the little bit that sticks out at the back to make the lens wide open with a paper clip or sticky tape !
Posted 2 months ago. ( permalink )

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