7-21mm Zoom Eyepiece for 1.25 Telescope Viewing Moon Nebulae Star Clusters"

Description:

Gives the widest viewing field along with extra sharpness and long eye relief.
Low astigmatism, spherical aberration and color.
Focal length of 7 to 21 millimeters,allows for expanded magnification options.
Folds down for the convenience of eyeglass wearers and protects glasses from getting scratched
A great gift for skywatcher

Specification:

Focal length: 7-21mm continuous zoom
Mirror body material: aluminum alloy
Lens material: optical glass
Lens Coating: Broadband Green Film
Interface size: 1.25 inch
Color: black + silver
Size: Approx. 41x41x84mm/1.61x1.61x3.30inch
Weight: 168g

Package Includes:

1 Piece 7-21mm 1.25inch Eyepiece

Note:

1.Please allow 1~3 cm error due to manual measurement, thanks.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.