D21 Okular-Set

These highly rated D21 eyepieces are matched to 1/100th focal length. Typically being 21.6mm, they have a 65 degree AFOV and of course are fully multi-coated.

They exhibit NO pin cushion distortion and produce amazing contrast, whether used for nighttime observations of planets, lunar and DeepSky or daytime views in white light and H-Alpha (Sun). Please be sure to ALWAYS use an appropriate protection filter when viewing the Sun!!!

The product photo shows the D21 eyepieces in a Binotron27 Super System with Filter Switch (not included with the D21 eyepieces).

Specifications:

• available focal length: 21mm
• 1.25" eyepiece barrel format
• 65 degree AFOV
• fully multi-coated on all air to glass surfaces for ultra-high efficiency transmission
• high Index Japanese glass utilized
• 20mm eye-relief
• black anodized aluminum housings and barrels with rubber
• knurled grip
• laser engraved logo
• rotating batwing eye-guards
• weight: D21: 8 oz. each