Cart
0
Product
Products
(empty)
No products
To be determined
Shipping
$0.00
Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart.
There is 1 item in your cart.
Total products
Total shipping
To be determined
Total
New
Sale!
View larger
View larger
ISO 2720:1974
New product
ISO 2720:1974 Photography -- General purpose photographic exposure meters (photoelectric type) -- Guide to product specification
standard by International Organization for Standardization, 08/01/1974
More info
Full Description
Specified are calibration levels and test conditions for general-purpose photoelectric exposure meters which measure reflected or incident light, or both, in determining photographic exposure for camera use. The specifications apply to exposure meters containing a light-sensitive element, and indicating electrical instrument, a directional system and a calculator to correlate the meter indications with the camera exposure settings.