極上の M80インダスター37 industar 300mm F:4.5 大判 18 x 24 Fisheye Tessar #1832B

M80 ( Camera's mount requires additional fastening nut 80x0.75mm diameter。

) LOMO ロシア（ソビエト連邦）インダスター37 industar-37 大判折りたたみカメラFKD ,18x24cm ( 180x240mm)フィルムサイズWOODEN ， 焦点距離は300mmです。

レンズの開放F値は4.5です。

このカメラ 極上のコンディション。

[シリアルナンバー] 750487

TECHNICAL FEATURES : The lens is signed: I-37 P F=30cm 1:4.5 Coated opticsFocus: 300 mmAngle of view: 53 degrees。

Format: it will cover up to 18x24 cm format。

Resolution (in pairs of lines per 1 mm at full opened aperture): not less than 22 in the center and 5 on the edge of frame。

Optical registration: 287.84 mm。

Aperture: scale begins at 4.5, up to 64, no clicks。

Aperture consist off 21 elements and provides very accurate circular shape at all installed meanings。

Filter mount is screw-mount 76x0.75mm, but it looks that the lens should accept external 85mm spring-mount (push-up) filters only。

Camera's mount requires additional fastening nut 80x0.75mm diameter。