No 4 Screen Focus Cartridge 4x5 Too refined. Tends to under- exposure Very speedy objects in bright light 6/200 or 8/100 Take nothing nearer than 25 feet. Closers than 1/25 shutter use tripod. Over water, distance, and tropical climate in full sun-light: 8-9; 3-4 = 16/50 { 9-10; 2-3 = 16/64 } 10-2 = 16/100 Aerigma 16/50 | 16/75 | 16/100 Semi-distance 8-9; 3-4 = 16/25 { 9-10; 2-3 = 16/32 } 10-2 = 16/50 Near views 8-9; 3/4 = 16/12 { 9.10; 2-3 = 16/16 } 10-2 = 16/25 Over water, distance, and tropical climate in light clouds or slightly hazy. 10-2 = 11/100 or 8/50. For other parts of day 8/25. In Arizona stops down to 16. Bright light 9 to 3 give 1/100. Earlier and later, hazy or in dark shadows 1/50. Groups and portraits in shade 8/75. doc.131