7x17 BTZS Focus Hood (dark cloth) HP5 Plus the large bellows diagonals mean

the large bellows diagonals mean there is no interference with the image - both to eliminate the possibility of vignetting and also to produce higher image contrasts

Visualization with the Incident Meter

4x5 wood back for Canham 4x5/5x7 wood camera

The Incident Meter in UseApplications of Sensitometry - Testing PMK Pyro

Compendium Lens Hood for the 4x5 Shen Hao Cameras

7x17 BTZS Focus Hood (dark cloth) HP5 Plus the large bellows diagonals meanPlease Note this is a special order item and delivery time is approximately two to three weeks Please provide the dimension of the rear standard of your camera including knobs Designed by a leading commercial photographer the BTZS Focusing Hood is far more functional than the traditional "horse blanket." Made from a durable but lightweight (less than 1 lb. in 4x5 size) sports cloth it protects the ground glass from reflected light from below and stays