Alwaysonline 66 Degrees Eyepiece Wide Angle Optical Glass Astronomical for Watching Scenery

Giới thiệu Alwaysonline 66 Degrees Eyepiece Wide Angle Optical Glass Astronomical for Watching Scenery

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1. Applicable: This eyepiece has a 9mm focal length and a 1.25in joint diameter, suitable for 1.25in (31.7mm) astronomical telescopes.
2. Wide Angle: This wide angle eyepiece has a 66 degrees field of view, 6 lenses in 4 groups, a wider observation range and a wider field of vision.
3. Multilayer HD Green Film: Multilayer HD broadband green film optical glass lens, chromaticity correction, provides high permeability and ensures clear scenery.
4. Optical Glass: Fully coated glass, with excellent image contrast and light transmittance, high brightness, large field of view, keeping your eyes in a comfortable state.
5. Applicable Scene: Watching scenery, bright astronomical observation, nebula, etc., Halloween, birthday, Christmas gift for family and friends.

Specification:
Item Type: Astronomical Eyepiece
Material: Aluminum Alloy, Optical Glass
Gross Weight: 125g / 4.4oz
Focal Length: 9mm
View Field Angle: 66 degrees
Lens Coating: FMC Green film
Lenses Number: 6 pieces in 4 sets
Joint Size: 1.25in (31.7mm)
Non Slip Design: Yes
Thread Specification: M28.6 x 0.6mm

Package List:
1 x Eyepiece2 x Dust Cover

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