20mm 1.25 Inch Eyepiece for Astronomical Optical Viewer Terrestrial Bird Watching Accessory

Features:
Constructed from glass optics with polymer for long term use with 1.25 inch focusers and diagonals
20mm focal length provides a balanced view for observing, planets, and distant subjects
Erecting prism design delivers correctly oriented images for comfortable daytime terrestrial viewing
Standard 1.25 inch fits most astronomical optical viewers and spotting devices without extra adapters
Suitable for both nighttime sky observation and daytime bird watching, wildlife viewing, and landscape appreciation

Specifications:
Materials: Plastic+Glass
Length: 13cm

Package Includes:
1PC 20mm Eyepiece

Note:
Please allow 0-1cm error due to manual measurement please make sure you not mind before you bid
Due to difference between different monitors, the picture may not reflect the actual of the item