Method of measurement

Cornea reflection light coincidence method

Scope of measurement

49 to 81 mm(Total PD)
24.5 to 40.5 mm(Single eye)
Graduations 0.5mm

Display

Liquid crystal display

Target for focusing point

Internal green dot on illuminated bvackground

Range of focusing point

30cm～∞

Diopter changer

Provided

Eye shield

Provided

Illumination lamp

LED

Electric source

4.5V DC (SUM3 batteries×3)

Dimensions

155(W)×255(D)×55(H)mm

Weight

690g