Do Newton's mirror telescope erecting a 1,25-inch mirror Description: Do Newton's mirror telescope eyepiece erecting a mirror with a diagonal of 1.25 "/31.7mm. High refraction: built-in refraction to create a more comfortable do viewing position and clear image. 2X magnifying lens effect: corrects the image and enlarges it 2x. Fully coated green film: high quality optical glass for maximum light transmission and brightness. Simply insert the do eyepiece of the 1,25" telescope and attach with a screw. Thread M42x0,75mm do connect adapter do movies or digital cameras. Specification: Material: optical glass meal Coating: Fully Coated Green Film Interface: 1,25 inch/31,7 mm Magnification: 2x ：M42x0.75mm Length: 12.3 cm/5 inches Width: 5 cm/2 inches The package includes: 1x Telescope Ascension