Explore Scientific 92° Series 17mm Long Eye Relief Waterproof Eyepiece

The Explore Scientific 92 Series 17mm Long Eye Relief Waterproof Eyepiece is a hyper-wide-class ocular built for visual astronomers who want an immersive, edge-to-edge view of the night sky. Its near-maximum apparent field of view for hyper-wide eyepiece design keeps objects in frame longer on non-driven telescopes and makes it easier to use averted vision on faint targets.

• 92-Degree Apparent Field of View: A hyper-wide apparent field close to the maximum for the design class makes objects easier to locate and keeps them in frame longer without adjustment.
• 20mm Long Eye Relief: 20.02mm of eye relief keeps the view comfortable for extended observing sessions.
• 17mm Focal Length, 2-Inch Barrel: A 17mm focal length eyepiece with a 2.00" barrel and 27.46mm field stop diameter.
• Voted a 2017 Sky & Telescope Hot Product: Recognized industry-wide for its combination of comfort, quality, and value.
• Transferable Warranty: Backed by a 1-year limited warranty that converts to Explore Scientific's Transferable Extended Life Warranty when registered within 60 days.