Sony E-Mount Slim T-Ring M42 Stellarvue so you can focus on

so you can focus on what’s important—observing and imaging

This version has a switchable Red or Green reticle to aid visibility particularly in different environments

Large 80mm Objective Lens for a Bright Image Field

Omega (M17)

and the body has a few markings on the telescope side barrel that can be seen in the provided photos

Sony E-Mount Slim T-Ring M42 Stellarvue so you can focus onSlim, short, or "T Minus" rings get their name from the fact that they are shorter than the "T2" standard but still have the same 42mm (. 75 pitch) threads. Normal T Rings for mirrorless cameras are typically 30 38mm deep. These slim "T Minus" rings are only 10mm deep. Fits ALL Sony "E" Mount "Mirrorless" Cameras.