TONE camera

TONE camera was a sophisticated HIT type camera using 17.5 paper backed film, it was introduced by Toyo Kobi Optical Company in Occupied Japan in 1948

TONE camera with leather case

paper backed 17.5mm roll film

Unlike other simple HIT type cameras with fixed focus lens and single shutter speed, TONE camera is a full function subminiature camera with focusing lens, variable aperture and variable shutter speed.

Features

TONE camera has both a eye-level viewfinder and a waiste level viewfinder,

Lens: TONE Anastigmat 1:3.5 f=25mm

Focusing dial: 3ft,10ft, infinity

Close focusing about 2 feet.

Aperture: 3.5,4.5,8,11

Shutter:25,50,100,B

Film

HIT type 17.5mm paper backed roll film,with a metal spool, each roll of film is good for 10 exposures of 14x14mm pictures. 17.5mm film was made from 35mm film by cut in the middle. One box HIT film contains six rolls of 17.5mm film wrapped in thin aluminium foil.