Rokinon 500mm f63 Mirror Lens for Nikon Mount "tighten" Questions

...24-70 is so loose that gravity makes the lens extend itself. Is this an easy fix? I heard you can tighten screws under the rubber zoom ring to make the zoom less loose... thanks for any help you

My Sigma APO 70-200mm f/2.8 HSM lens functions My Sigma apo 70-200mm f/2.8 hsm lens functions fine. Focus works and zooms just fine. The problem is the front part of the lens is loose. You have to ...

...the whole thing up (following very specific instructions), and got down to the inner casing, and tightened the screws you have to tighten to correct the problem. I put it all back together, and it ...

...and not all that uncommon. You can try sliding a sheet of paper or a thin film under the ring to tighten it up, or use tape to hold it in place once you've got what you wanted. I would NOT squirt ...

Focusing ring looseness on 50/1.2 M-Hexanon Sorry, this is not a digital camera but an interchangeable lens for a Konica Hexar RF 35 mm film rangefinder camera. The focusing ring has about a 1/10 mm ...

nikon dx swm 18-55 mm I can't rotate the zoom at all. in fact when I detached the lens I noticed that one of the parts (a small round part) was moving about in the lens. Any help? This is a very ...

...just inside of where the lens fits onto the camera. Take your filter and screw it into place. Hand tighten until it's snug and doesn't project in the way---remember, you're going to want to take it ...

Front Extending Lens Barrel Loose on my EF 28-135 IS USM. How can I fix it DIY? how to disassembly? thank you! To save the lens from total destruction have the repair done by those that work on this ...

...I have a canon ef 75mm to 300mm There's a screw located on the barrel of the lens. This may help tighten things up, but don't count on it. Don't try to take it apart unless you know what you're ...

sigma 170-500 apo I have a 170-500 apo that the zoom portion seems loose how do you tighten it. mike It needs striping and setting up the zoom runners