This is a Professional IV-A Digital Exposure Meter from Spectra Cine. Compact and easy to use, the Professional meters are the most comprehensive, technologically advanced, and reliable exposure meters for cinematographers, lighting designers, videographers, and professional still photographers.

This compact and user-friendly light meter provides an easy, economical means of making highly accurate measurements of indoor and outdoor light levels. It measures foot-candles and lux and instantly calculates Contrast Ratio and Averaging and can store up to two readings.

Measurement results are displayed on an Electro-luminescent backlit custom LCD screen. It has a digital f-stop range from f/0.35 to f/128 in 1/10th stop increments and an analog bar graph range from f/0.7 to f/45 in 1/3rd stop increments.