Bresser EXPLORE SCIENTIFIC 68 Ar Eyepiece 20mm (1.25)

Improvements in Eyepiece Manufacture

• 15-layer Enhanced Multi-layer Deposition (EMD) coatings on all glass-to-air surfaces to maximize contrast.
• Waterproofing achieved by Argon gas purging instead of standard Nitrogen gas, providing superior protection over a wider temperature range and enhanced resistance to diffusion, extending the eyepiece's protective environment.

Design and Performance

• Computer-optimized design combined with careful selection of optical glasses and enhanced multi-layer coatings.
• Features long eye relief for comfortable viewing.
• Delivers high image correction and a flat field for accurate detail observation.
• Provides high contrast across the entire 68° apparent field of view.
• Ideal for extended visual studies involving subtle brightness variations and for users who wear glasses.

Coating and Contrast

All 68 Series eyepieces are fully EMD-coated and have edge-blackened lenses to ensure superior contrast and reduce stray light.

Additional Features

• Waterproof, Argon-purged, and sealed against dust.
• Parfocal design across the entire 68 Series for easy swapping between eyepieces.
• Dimensions and detailed specifications are available in the product manual.