0.5X Telescope Focal Reducer 1.25 Inches Filter Thread 28.5X0.75Mm on

Features：
Apply to:
0.5x reducer for screwing into a filter thread;more lens speed
Using for: Increase the image field of your web camera;Use the reducer visually with an eyepiece;also ideal for video astronomy
See the Moon: Record large areas of the moon's surface
Specifications:  Focal Reducer: 0.5X
Lens Material: pure optical glass lens
Lens material: Broadband coating
Sleeve material: Metal
Barrel Size: 1.25 inch / 31.7mm
Thread interface: M28x0.6 pitch (Fine Thread)
Total item length (including external thread): 0.55inch / 14mm
Total item length (excluding external thread): 0.43inch / 11mm
Clear aperture: 0.87inch / 22mm
Package Include: 1 X 1.25" Telescope 0.5X Focal Reducer
Fits all standard 1.25" scope eyepieces;Its role is to reduces the focal length of your telescope by half ;increasing the field of view;and shorter exposure times for astrophotography;usually for a longer focal length telescope
The reducer has standard 1.25inch telescope threads M28.5x0.6 and fits easily into any 1.25" eyepiece or any 1.25" photo adapter;diagonal;extender tube;increase the image field of your web cameras
Fully multi-coated optics held in a black-anodized aluminum filter cell;nice anodized aluminum housing
It is not recommended for very fast scopes or very wide angle eyepieces for visual
Screw the reducer into a 1.25" eyepiece;and you will get a smaller magnification and a significantly larger field of view;simply use the reducer if you still need the correct eyepiece

Returns Accepted for this item if it's within 30 Days