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Japanese 15 x 105 mm with 60 Degree Inclined Eyepiece

Details

The 15 x 105 mm, 60 degree inclined Japanes binoculars are a scaled-up version of the 15 x 80 mm, 60 degree inclined model. The objectives are air-spaced and it has the same roof and rhomboid prism combination as the 15x80. The real field of this system is 4 degrees with an apparent field angle of 60 degrees using an erfle variation eyepiece.