Explore Scientific 68 degrees 40mm Waterproof Eyepiece Planisphere - Focal length: 8mm -

- Focal length: 8mm - 24mm

Center-Balanced equatorial mount (CEM) for maximum payload and minimum mount weight

5" focuser & Rotolock)

L-Pro is the best choice for light pollution suppression

Large cover: 150 x 80 cm (see photos for detailed dimensions)

Explore Scientific 68 degrees 40mm Waterproof Eyepiece Planisphere - Focal length: 8mm -Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 68 Series Argon Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics. The visual effect of these eyepieces with their long eye relief and their 68 apparent field is truly a full immersion