รายละเอียดเพิ่มเติม
Key Features
Instant reading of full range of aperture/shutter combinations
Amorphous photosensor eliminates need for batteries
Swivel Head to position incident dome and maintain full view of display
Continuous reading plus needle lock for easy and accurate readings
Lumidisc for adjusting illumination contrast and measuring illumination intensity
Lumigrid for measuring reflected light (30 degrees light receiving angle)
Memory pointer retains prior reading