Features:

• 62° aspheric field of view
• Unbrand 62° Aspheric 4mm eyepiece, suitable for 1.25 inch /31.7mm astronomical telescope
• Fully multi-coated glasses for excellent image contrast and light transmission
• The eyepiece of high-definition, it can increase the magnification of the telescope combination
• Sharp optimal performance with low chromatic aberration
• Eyepiece interface recess portion can prevent the loss
• Applicable: watch the scenery, bright celestial observations, nebula and so on

Specification:

• Brand: Unbrand
• Focal length:4/10/23mm
• Field of view: 62°
• Standard 1.25” (31.75mm) fitting diameter
• Coating: Optical lenses, Fully coated, High-definition
• The structure of the optical system: Aspheric Eyepiece