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- Type - 3 x 13.5 Porro-prism Opera Binoculars
- Production era - 1921-1950s
- Field of View - 13.7 deg
- Weight - 208 g /7.34 oz
- Inscriptions
- 3 x 13.5 /BINAR - E.LEITZ /WETZLAR /14XXXX (early)
- 3 x 13.5 /BINAR /60XXXX - E.LEITZ /WETZLAR /GERMANY (late)
- Serial nos. - -146245- -241122- -604009-