The Explore Scientific 40mm focal length and own field of view (AFOV) of 62 degrees is a new, more affordable proposition for people looking for a very good "for years" eyepiece for nebula-galactic observations at zooms close to the minimum usable. According to the high production standards that have been characterized by Explore Scientific glasses for years, the eyepiece is water-proof, filled with argon and offers an outstanding retraction of the exit pupil equal to 28 mm. • focal length: 40 mm • own field of view: 62 ° • offset of the exit dust: 28 mm • Luminaire diameter: 2 " • eyecup: rubber, with the possibility of swiveling • water resistance: yes, filled with Ar • weight: 650 g 24 months


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