Explore Scientific 68° Series 40mm Waterproof Eyepiece

The Explore Scientific 62° Series 40mm Eyepiece delivers exceptional optical performance with a 68° apparent field of view, advanced multi-layer coatings, and Argon-purged waterproof construction. Its parfocal design, long eye relief (31mm), and soft silicone rubber eyecup ensure comfortable, immersive viewing, perfect for deep-sky observation. The eyepiece is engineered for high contrast, flat-field viewing, and is resistant to fogging and internal contaminants. Ideal for astronomy enthusiasts, it provides crisp, clear images and reliable durability, tested to withstand underwater conditions for up to 30 minutes.

Item Number: EPWP6840–01 Focal Length: 40mm Length: 114.2mm Width: 80.3mm Weight: 35.2oz; 998g Barrel Size: 2.00" Eye Relief: 31mm Field Stop Diameter: 45.5mm Brand: Explore Scientific