Oculaire 68° étanche 20mm 1.25" (31.75mm) avec bonnette rétractable
Product-No. 02-18620 focal length 20 mm Diameter 31,7 mm (1,25") Field of View 68° Optical Design 6 lenses in 4 groups gas filled Argon Optical Coatings EMD Multi-Coating Eye relief 15 mm