Search Results for: tele photo lens

MC APO Telezenitar-M 2.8/135 teleobjective lens review

Lets continue our study of Russian-made photo objective lens with MC APO Telezenitar-M 2.8/135. As it follows from its name, it is apochromatic ( it has corrected spherical aberrations ( geometrical image distortions ) and chromatic aberrations ( color image distortions ) for 3 or more light waves lengths ); has 135 mm fixed focal … Continue reading MC APO Telezenitar-M 2.8/135 teleobjective lens review

Nikon D810A – very professional camera for astro photo

Nikon released new professional DSLR camera Nikon D810A for astro photo. Its CMOS sensor has 35.9 x 24 mm sizes and 36.3 MP effective resolution. Interchangeable lenses are attached to it via Nikon F mount; there is ability to shoot photos and videos by using camera instead of telescope eyepiece, or add Barlow lens to … Continue reading Nikon D810A – very professional camera for astro photo