0.00 D to 4.5 D

0.02 density. Reference tablet supplied

Two seconds at 3.00 density

Negligible

1 mm, 2 mm, and 3 mm D.; Anodized aluminum

21 cm length (8.2 in). Easily measures to center of 35.6 cm x 43 cm (14 in x 17 in) film

12 cm x 14 cm (4.75 in x 5.5 in)

(area obscured) 0.730 in

5000 to 5500 \u00c5 peak of bell-shaped curve

Incandescent lamp with spectral compensation filter. Lamp is at full brilliancy only during measurement

Four #37, low-voltage, wedge-base lamps

Three 0.4 inch high light-emitting diode (LED) numerals on detector arm

Hermetically-sealed, silicon photodiode

Allows wide range adjustment for different apertures and density subtraction

110/220 V, 50/60 Hz

16 cm x 34 cm x 12.5 cm (6.2 in x 13.4 in x 4.9 in)

3.2 kg (7 lb)