Aluminum 1.25 inch eyepiece barrel is internally blackened to eliminate light scattering and is threaded to accept 1.25" filters
Wide 66 degree apparent field offers expansive views of the moon star clusters and the Milky Way; 5-element design delivers sharp images with good color correction and contrast
With this 90 degree erecting prism transform telescope into telescope for nature observation with upright and left right corrected image; good for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes
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; a wider field of view; and shorter exposure times for astrophotography
2 lenses for better correction: cemented together and coated; black anodized aluminum housing; mounting threads: 1.25 inch filter thread means 28.5x0.75MM on both sides; can connect to telescope accessories with standard 1.25 inch threads
Astromania 1.25" Narrowband NBPF Hydrogen-a 12nm Filter - deep Sky Photos in H-Alpha Light
KWD 31.500
Astromania 1.25" 2.5mm 58-Degree Planetary Eyepiece for Telescope
KWD 20.500
Astromania 2" Color/Planetary Moon Filter for Telescope - #AC54
KWD 7
Astromania T-Ring and M42 to 1.25" Telescope Adapter (T-Mount) for 42mm Pentax-k SLR/DSLR Telescope Cameras.(for Camera K-x, K-r, K-01, K-30, K20D, K200D, K2000, K1000, K100D Super, K110D, Etc).
KWD 5
