50-100
A Russian galilean binocular has been imported recently, white enamel, chromed sheet metal linking barrel to axis, marked 2.3 x 40, 28 degrees. Field is indeed close to 28 degrees, apparent field is about 45 - 50 degrees. The eyecup has an 8 mm aperture. Focused at infinity, the distance between the ocular & the objective is about 40mm, so the ... ................
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