EXPLORE SCIENTIFIC 68° Ar Eyepiece 16mm (1.25 in)

With the introduction of the 68° Series, we are pleased to present two significant improvements in eyepiece production: the first is the 15-layer Enhanced Multi-layer Deposition (EMD™) coating on all glass-to-air surfaces for maximum contrast, and the second is waterproofing the eyepiece through a filling that uses argon gas instead of the traditional nitrogen. Although nitrogen is an excellent choice that will last for many years, argon is a larger molecule that retains its protective properties over a wider range of temperatures and is also more resistant to thermal diffusion, thereby further improving the protection of the eyepiece body's waterproof environment. Through computer-optimized design, careful selection of optical lenses, and improved multi-layer deposition coatings, Explore Scientific 68° Series™ eyepieces produce long eye relief and ensure high image correction, a wide flat field, and high contrast across the entire field of view. An excellent choice for those conducting prolonged visual studies of details with subtle variations in brightness, and for those who must wear glasses while observing. All 68° Series eyepieces are fully EMD (Enhanced Multi-Layer Deposition) coated and have blackened edges to produce high contrast.

Key features

Explore Scientific quality for a reliable and rewarding observation experience.

• Focal length (mm): 16
• Field of view: 68°
• Barrel size: 1.25"

Main technical specifications