Features:
31.7 mm Diameter: Current mainstream sleeve diameter
68° Ultra Wide Angle: Experience the "space walk" more amazing than ordinary eyepieces.
Material: The lens material is made of high-grade optical glass.Provides clear vision and superior contrast
Multi-coating: lenses are multi-coated to provide a sharper image
Low chromatic aberration: flat image and corrects chromatic aberration to create a clear image
Scope of application: Recommended for customers seeking high demand due to observation experiences and effects, or for astronomy photography.