85mm focal length; reduction factor of about 0.5x; depending on spacing; 0.5x focal reducer effectively halves the focal length of a telescope; enabling lower magnification with a wider field of view; and shorter exposure times for astrophotography
2 lenses for better correction: cemented together and coated; black anodized aluminum housing
2x Magnification Result: premium barlow lens provide 2x increase in magnification for allowing you look more closely and more detailed at the moon's surface and other planet during astronomical journey;
This Astromania T-adapter allows SLR/DSLR camera or mirrorless to be attached at the prime focus of your telescope
The body is full black metal constructed and precisely CNC-machined, 1.25-Inch Telescope Eyepiece Extension Tube- It provides extra focuser back travel which is often needed for short-range terrestrial viewing or astrophotographic applications