Astronomical Eyepiece 1.25in 66 Degrees 9mm Wide Angle Eyepiece Accessories gray
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Feature: 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
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