Light-Meter Photometer Single Reverse for Reflx Lab Rangefinder Camera Light Meter Light metering: about 30 average light metering EV range: 1-22 Cold shoe position: left, center, right Working temperature: -12-60 Working humidity: 10%-90% Main size:35x28x11.5mm Endurance:CR1632 button battery.(battery is not included.) ISO Range:8-6400 8, 10, 12, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 6400 Shutter range:30S-1/8000S 30. 15. 8. 4. 2. 1. 1/2. 1/4. 1/8. 1/15. 1/30. 1/60. 1/125. 1/250. 1/500. 1/1000. 1/2000. 1/4000. 1/8000 Aperture range:1-32 1, 1.2, 1.4, 1.7, 2, 2.6, 2.8, 3.5, 4.5, 5.6, 6.7, 8, 9.5, 11, 13, 16, 19, 22, 32 EV Compensation: -2, -1.5, -1, -0.5, 0, 0.5, 1, 1.5, 2 Colour:Silver/Black Material:Metal Package Contents: 1 * Light Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.