Questions & Answers for: collimate lens

...collimate the from lens cell-- this is fairly difficult without an optical bench. If you have a reflector with mirrors then watch this video to learn how to collimate a reflector style scope. Here: ...

lens of a 4'' Helios refractor. You will need to remove the mirror and clean it according to these instructions. Then you will need to collimate the scope after you put it back together. See these two

Fungus (oil spray/mist?) on inner lens surfaces - how to disassemble and clean a Canon 75-300mm EF AF lens? A skeleton picture would also be helpful. Thanks, Tom. Okay. I just wanted to scare you away

i recently moved and now i cannot see anything through my scope. i'm sure it got bumped around..i moved across the world. i didn't try anything but all of my three lens. my astro teacher said i need ...

...lens 10 degrees- check collimation-- turn the lens 10 more degrees check collimation etc etc -- until you are able to collimate the scope. www.telescopeman.org www.telescopeman.us ...

Is there an adapter so I can fit my 2"Collimation Tool into my .965" eyepiece holder on my telescope have a old 4" reflector telescope and have recieved as a gift a 2" diameter collimating tool and ...

how to disassemble Sony 70-300 lens Do you have access to a lens collimator and other equipment needed to ensure proper alignment when reassembling the lens? If not then you may just as well use a ...

...lens under the clamp ring so that can be done. Your Tasco probably does not have that, so look under the covering material on the barrels (it may be stuck down) for 2 small screws over the prism eg ...

how to disassemble Sigma 8mm F3.5 EX DG Circular Fisheye If you want to disassemble a lens, it does not matter how you do it. There is no chance you will be able to reassemble it, so it still works as

How do I disassemble a 20 zoom lens for a Sony V1U camcorder? I want to know how to clean the internal glass element. There is a spec of dust on the glass and I want to take it off. Jeff, to assemble ...