Easy Focus lever focus

How can you get the effect of continuous focus from macro to infinity visible in the professional films?

When are you born?

Start fire with the fresnel lens

What`s the best lens to start fire?

Monital 50mm F/.95 FOR CAMERA MIRROR LESS ADAPTER

I have a lens of night vision device is very bright, can you adapt it to my camera?

Custome adapter for Leica R apo telyt 180 3.4 lens to Nikon camera

Is your item 3032 ( http://www.adrianololli.com/articolo.asp?ID=3032 ) is easy to assemble? Can you mount it? How much?

Adapter lowered ring for 2

I want use my 31,8 eyepieces on my telescope with 2" diagonal, but donesn`t focus. Focus is inside. Have you a connection?

UP CLOSE NF Celestron Binocular 7x50 / 7x35 / 8x40

How to defend yourself from the flight of the CORONAVIRUS

Scientific laboratory experiment showing how viruses and bacteria propagate in the air. The test makes us understand the importance of using masks and glasses.