Product Description The perfect monocular for devout microlux monoculars can be described into 3 main points. First of all, they are easy to use : pressing gently with the finger slides the lens unit out into the viewing position. Second, they are so small that they can be stowed in any bag quickly and easily. Third : they can be used as well for viewing nature, city trips or visits to the theatre or museum. To conclude : Microlux are supplied with carrying cord and bag.Technical featuresMagnification: 4xLens Ø (mm): 13Exit pupil (mm): 3,3Geometric light intensity: 10,5Twilight factor: 7,2Pupillary distance min./max. (mm): MonoNear point (m): 2Field of view m / 1,000 m: 225Height x Width x Depth (mm): 41 x 27 x 49Weight without bag (g): 46Nitrogen filled: NoWaterproof: NoEyepieces for spectacle wearers: NoPrisms: BK-7Coating: Full magenta coatingWarranty: 5 years Box Contains microlux 4x13 grey monocular; Carrying cord and bag