Specifications – Pentax AF540FGZ User Manual
Page 90
88
Specifications
Type
Clip-on, TTL auto zoom flash unit with serial control
Guide No.
(ISO 100)
(ISO 200)
Maximum 54 (ISO 100/m). In manual mode, seven-step adjustment from M1/1 to M1/64. The
focal lengths in the table below are for 35 mm single lens reflex cameras. (when using 35mm
format camera) *Wide-angle panel used
Focal Length (Zoom position)
85mm 70mm 50mm 35mm 28mm 24mm 20mm*
(M1/1) (=FULL)
54
50
45
39
35
32
21
(M1/2)
38
35
32
27.5
24.5
22.5
14.5
(M1/4)
27
24.5
22.5
19.5
17
16
10
(M1/8)
19
17
16
13.5
12
11
7
(M1/16)
13.5
12
11
9.5
8.5
7.5
5
(M1/32)
9.5
8.5
8
6.5
6
5
3.5
(M1/64)
6.7
6
5.6
4.6
4.2
3.5
2.4
Focal Length (Zoom position)
85mm 70mm 50mm 35mm 28mm 24mm 20mm*
(M1/1) (=FULL)
76
71
64
55
49
45
30
(M1/2)
54
50
45
39
35
32
21
(M1/4)
38
35
32
27.5
24.5
22.5
14.5
(M1/8)
27
24.5
22.5
19.5
17
16
10
(M1/16)
19
17
16
13.5
12
11
7
(M1/32)
13.5
12
11
9.5
8.5
7.5
5
(M1/64)
9.5
8.5
8
6.5
6
5
3.5
00_AF540FGZ.book Page 88 Monday, April 10, 2006 11:42 AM