Pentax AF-540FGZ Operating Manual page 85

Camera format
Flash
ISO light
intensity
1/1
1/2
1/4
ISO200
1/8
1/16
1/32
1/64
1/1
1/2
1/4
ISO400
1/8
1/16
1/32
1/64
35mm 85mm
645 150mm 135mm 100mm
67 190mm 180mm 120mm
DIGITAL 58mm
76
54
38
27
19
13.5
9.5
108
76
54
38
27
19
13.5
Zoom position
70mm 50mm 35mm
70mm
90mm
48mm 34mm 24mm
71 64 55
50 45 39
35 32 27.5
24.5 22.5 19.5
17 16 13.5
12 11 9.5
8.5 8 6.5
100 90 78
71 64 55
50 45 39
35 32 27.5
24.5 22.5 19.5
17 16 13.5
12 11 9.5
28mm 24mm *20mm
55mm 45mm *35mm
70mm 60mm *55mm
19mm 16mm *13mm
49 45 30
35 32 21
24.5 22.5 14.5
17 16 10
12 11 7
8.5 7.5 5
6 5 3.5
70 64 42
49 45 30
35 32 21
24.5 22.5 14.5
17 16 10
12 11 7
8.5 7.5 5
83