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correct me if I am wrong, here, but doesn't the f/1.8 lack an aperture ring? When reversing the lens, there will be no way for the lens to communicate with the camera. You will want to stop the lens down to more depth of field, especially when at macro levels. I regularly use f/16 and even with that I wish I could go higher. But without an aperture ring, how do you stop the lens down? Won't it be stuck wide open?
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My Pentax Photo Gallery | My 500px | My Photo Blog | My Picasa Albums K-5, K20D, Pentax DA 15mm f/4, Sigma 85mm f/1.4, SMC 50mm f/1.4, DA 18-55mm WR, Tamron 28-75mm f/2.8, SMC M 135mm f/3.5, Vivitar Auto-Extension Tubes, Metz 50 af-1, Yongnuo YN-560ii, Lumopro lp120, Cactus v4 |
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i was refering to this? my 50mm lens is a 1.8?
its says it will fit the T1i cannon? Amazon.com: Fotodiox 52mm Macro Reverse Mount Adapter for Canon EOS 1d, 1ds, Mark II, III, IV, 7D, 5D, 5D Mark II, 10D
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Cannon Rebel T3i EFS 18-55 EFS 50 mm 1:1:8 Quantaray 70-300 mm 1:4-5:5 tele macro(1.21) Cannon 70-300 1.4 L USM |
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My Pentax Photo Gallery | My 500px | My Photo Blog | My Picasa Albums K-5, K20D, Pentax DA 15mm f/4, Sigma 85mm f/1.4, SMC 50mm f/1.4, DA 18-55mm WR, Tamron 28-75mm f/2.8, SMC M 135mm f/3.5, Vivitar Auto-Extension Tubes, Metz 50 af-1, Yongnuo YN-560ii, Lumopro lp120, Cactus v4 |
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Instead of a reverse mount ring, you could consider a reverse coupling ring, so that you can have aperture control on the lens that's mounted on the camera, and you're essentially just using the 50/1.8 as a high-quality diopter. The reverse coupling ring will connect the 50/1.8 face-to-face with another lens. Then, all you have to do is match the filter thread sizes, either with the coupling ring, or a combination of step-up ring and coupling ring.
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I shoot with a Canon 5DmkII, 50D, and S90, and Pansonic G3. flickr stream and equipment list |
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It is possible to close the aperture on the lens, but some may consider it to be more trouble than it's worth. All one has to do is manually set the desired aperture while the lens is attached normally to the camera, then press the DOF preview button while simultaneously removing the lens. The lens can then be reversed and used with the smaller aperture. In order to change to a different aperture however, the lens must be turned back around and reattached to the body to reestablish communication with the camera.
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For a reversed lens directly on your camera body, I think you should look for an older style manual lens that has a manual focus ring and apperture ring. The main thing is having direct, simple control of the apperture so you can set the depth of field. Pawn shops often have 50mm or so manual primes for $10 to $20.
The reverse ring mounts on the lens filter thread, then mounts on the camera. You do have to be careful with the exposed rear element, it could esily be scratched. Try to get a rear lens cap when you get the lens. Phil
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http://www.flickr.com/photos/pwhite214/ Sony A700, Dynax 9, Maxxum 7, mostly Minolta lenses |
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