Sky Mentor Dark Frame Filter - 1.25" - DARK125 Equatorial Wedge constructed of Schott glass with

constructed of Schott glass with anti-reflection coatings applied on both surfaces

20 mm Focal Length

even a lightweight telescope

the Sky-Watcher 8" Flextube Dobsonian Synscan Telescope does not need to be disassembled between uses

25" and 2" eyepieces and other compatible items

Sky Mentor Dark Frame Filter - 1.25" - DARK125 Equatorial Wedge constructed of Schott glass withSky Mentor Dark Frame Filter 1. 25" Sturdy dark frame imaging filter has standard 1. 25" threads. The filter frame is made of metal for durability. Quickly capture dark frames to optimize photo quality Opaque filters block all light from the imaging camera sensor and helps remove dark currents, especially in astrophotography. Easily eliminate camera noise and hot pixels! Dark frame acquisition helps remedy noise and "hot pixels" by canceling out these