All metal 1.25 Inch erecting Prism positive image 20mm eyepiece Image Rectifier for Newtonian reflector Astronomical telescope
Product Description:
Focal length: 20 mm
Material: Metal
Size: Standard 1.25 inch / 31.7mm
Application: Suitable for Newtonian reflector Astronomical telescope
Package Description: 1 x 20 mm erecting eyepiece