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sorini

28 Oct 2020 23:50



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De pe site-ul BST:
Two ED glass elements minimise chromatic aberration. 
All air-to-glass surfaces are fully multicoated for high contrast, high light transmission and minimal ghosting. 
Blackened lens edges reduce internal reflections and further increase contrast.
Six-element / four-group design minimises field curvature for a nice flat field. 
16mm eye relief (suitable for spectacle wearers). 
Large 21mm eye-lens diameter for comfortable observing. 
Convenient screw-out eye cups. 
Tactile rubber grip for easy handling in the dark. 
1.25“ nosepiece with milled safety undercut. 
Accepts 1.25“ astronomy filters. 
Suitable for use with telescope focal-ratios f/5 and above.

LE: site-ul este FLO (FirstLightOptics), nu BST