Astronomy in the square: Earth`s Time

I have see you make astronomical evening. Is it possible organize in my country? What`s price?

Jupiter: the first picture in the world made with a pinhole

Spectrophotometer SPEC 3: introduction

Astronomy photo test with infrared filter with haze.

Natural vision movie.

MAGIC FOCUSER - CELESTRON HUMMING BIRD PHOTO TEST

Do you have an example of Hunnig Bird Celestron works?

MAGIC FOCUSER

Photo adapters for dia-projector lens

I have read in a web a good effect with lens of projectors. Do you have adapters?

Movie with wide angle pinhole 22mm focal length

I see you made a hole pinhole lenses with focal lengths from 44mm. You can make it with a focal 22 mm?

Adapter for Yashica AF lens to mirror less cameras ( Sony, Micro 4/3, Fujifilm)

Do you have an adapter for my Yashca AF lens? I want mount it on my Sony ( E-mount) camera.

Stars and Sparks. Poetry of Adriano Lolli

Assembly and testing of fittings rings COMA Adriano Lolli

I bought a chinese connection for Leica R lenses on Leica M6 cameras . Unfortunately it does not focus, can you help me?

Obi Wan Kenobi

The Moon with a telescope at 90 magnifications

As you see the moon with a telescope 70mm diameter and 900 focal ? I`m interested in your items: 3708 and 4408

Transit of the International Space Station - March 6, 2017 hour 4:48

Beautiful nocturne movie. A question: how do you know in advance when l` ISS will pass over us?

Lunar direct across clouds

I recently bought a telescope. It happens that I don`t see clear as yesterday, it didn`t fall. What can it be?

7x42 Rollei binocular: broken prisms. Quote repair

My 7x42 Rollei binocular is fell, prisms moving inside. How much is the repair?