2 Inches 50 Degree 56mm Metal Parfocal Eyepiece Fully Astronomical

focal length: 56mm Eye point distance: 36.2mm Product interface: 2 inches/50.8mm Diameter of field diaphragm: 47.8mm
Lens: Multi-layer coating

Eyepiece focal length: 56mm
Eye point distance: 36.2mm
Product interface: 2 inches/50.8mm
Diameter of field diaphragm: 47.8mm
Lens: Multi-layer coating
Lens/group: 4 units/2 groups
Packing size: 155x110x80mm
Weight: 0.6KG