Classic eyepiece Super Ploessla design, 4 mm focal length. The luminaire in the 1.25 "standard offers very good contrast for affordable money. The 4 mm focal length lens is typically used in lunar - planetary observations - the resulting magnification will be close to the maximum usable. • Super Ploessl design
• fully glass optics
• good anti-reflective layers
• very good blackening of the interior and edges of the lenses
• aluminum construction
• with filter thread | • Focal length: | 4 mm | | • Own field of view (AFOV): | 52 ° | | • Diameter of binding: | 1.25 " | | • Diameter of the housing from the side of the eye: | 34 mm | | • Length: | 37 mm (without shells) | | • Weight: | 57.5 g |
2 years
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