Iris close with adapters for Sony/Minolta AF a Nikon ; Canon, ecc. lens

I have buy on Amazon an adapter for Minolta AF lens and Canon camera but lens is closed and a can open iris. Do you have some solution?

Astrophiles seen throught pinhole in Ostellato

10 x 50 Jenoptem : Clean of prisms and lenses with a mold.

Is it possible remove the mold from the prisms of my binoculars?

Moonlight movie made with Sony Alpha 7S + 50mm Nikon lens + 3337 COMA adapter

I have a Sony Alpha 7 camera . Do you have an adapter for Nikon lens?. I have buy one but i can`t connect it.

Movie of the Sun with or without Ampli 830

Ampli works on solar telescope also?

Custom assemblies. Customization with Mechanical Optical Constructions

Semifixed adapter for Sony 7 camera to Nikon pb6 bellows

Could you realize ad adapter doe Sony 7 camera to Nikon bellows. Is it possible realize a short ring? I wan`t modify bellows.

PRO LB-1000 Blu Laser Pointer

I have a problem with my battery laser pointer : stop working at low temperatures, can you help me?

Natural vision of the Orion constellation + time lapse with meteor and satellite

Tair 300mm - Diaphragm repair

I have a Tair 300m lens with not functionig diaphragm. Could you repair it?

Angenieux 12 - 120 ZOOM: Modify, focus calibration and follow focus gear construction

I have an Angenieux lens with micro 4/3 adapter for Panasonic camera but i hven`t focus. Does your adapter work?