Tele Vue Radian 18mm Wide Angle Eyepiece (1.25") (Pre-owned) Sloan Filters Waterproof / Nitrogen filled --

Waterproof / Nitrogen filled -- Protected against wet weather

To top it off

0046e-/p/s @ -10℃ Exposure Time Range 40us – 3600sec Unity Gain* 25 (PH Mode

the rings of Saturn

ZWO ASI99MM Pro SWIR Camera Highlights

Tele Vue Radian 18mm Wide Angle Eyepiece (1.25") (Pre-owned) Sloan Filters Waterproof / Nitrogen filled --Used eyepiece in excellent condition. The Radian 18. 0mm eyepiece, for many, is the ideal compromise. It has 20mm of eye relief and an apparent field of view of 60, while not being too heavy. Wide, comfy and relatively light! All glass surfaces are multicoated Blackened lens edges enhance contrast Fold down rubber eyecup Accept standard 1. 25" astronomy eyepiece filters Tele Vue ERD 18. 0 Specs Focal Length 18. 0mm Eye Relief 20. 0mm Apparent Field of