Ob­jec­tive lenses

Sky at Night Magazine - - EQUIPMENT • BEST OF 2018 -

The ob­jec­tives are re­cessed 16mm into their tubes, which are 11mm thick. This of­fers good pro­tec­tion against im­pact and ac­ci­den­tal touch­ing, re­duc­ing the like­li­hood of their sur­faces get­ting dam­aged or scuffed. It also helps to re­duce glare from ob­jects just out­side the field of view.

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