Astronomical telescope accessories 1.25 inch 68 degree 15mm wide-angle eyepiece

Product details:
Focal length: 15mm
Field angle: 68 degrees
Exit pupil distance: 17mm
Lens material: metal aluminum
Lens material: optical glass
Lens coating: FMC green film
Number of lenses: 4 pieces, 4 groups
Lens diameter: 21mm
Joint size: 1.25 inches (31.7mm)
Anti slip design: Yes
Eye mask type: folding
Thread specification: M28 6*0.6mm
Net weight: 66G
Gross weight: 97g

Product features:
1.68 degree wide-angle field of view provides a broad view of the moon, star clusters and the Milky way;
2. Multi piece lens design provides clear images with good color correction and contrast;
3. The inside of the aluminum 1.25 inch eyepiece barrel turns black to eliminate light scattering;
4. The connector thread supports the connection of 1.25 inch filter.

Packing instructions:
Eyepiece * 1
Dust cover * 2