Explore Scientific is trying to prove that it can make perfect glasses for every pocket - better than others. The LER 52 series are argon-filled, waterproof glasses with a much greater exit pupil than Ploessle, with great layers and very good flatness of the field.

Technical parameters

• focal length: 25 mm
• AFOV (own field of view): 52 °
• construction: 4 elements in 2 groups
• layers: EMD
• exit pupil offset: 16.4 mm
• filter thread: yes, 1.25 "(M28.5 x 0.6)
• waterproof, filled with argon
• casting standard: 1.25 "
• weight: 155 g

Warranty

10 years