Guide number chart, Fcc compliance – Bolt VS-570SMI Wireless TTL Flash for Cameras User Manual
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46
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Guide Number Chart
Guide Number Chart*
Zoom Position
GN - Meters
GN - Feet
24mm
34
112
28mm
36
118
35mm
38
125
50mm
43
141
70mm
45
148
85mm
47
154
105mm
50
164
*at ISO 100
FCC Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause undesired operation.