Nikon SB-103
The following assumes diffuser and is listed in apparent distances. Close
down one stop if diffuser is removed.
Guide numbers and F stop table
| ASA/ISO |
| ft |
50/64 |
100 |
| 1 |
8-11 |
11-16 |
| 1.5 |
8 |
11 |
| 2 |
5.6 |
8 |
| 3 |
4 |
5.6 |
4
| 2.8 |
4 |
6
| -- |
2.8 |
- With Nikon close-up kit ISO 50/64 no diffuser, strobe at 12 measured inches
try f16; with ISO 100 try f22.
- With extension tubes ISO 50/64 and no diffuser, use a strobe-to-subject distance that appoximates the distance from the ISO dial to the framer.
- Guide number 12 metric (32 for feet)
- TTL and Manual modes
- Full power, 1/4 an 1/16
- Battery 4 AA
- Recycle time 6 seconds NiCd, 9 seconds Alkaline
- 50 full power NiCd flashes, 130 alkaline flashes
- 780 grams (1.7 lbs) without batteries
- 1650 grams (3.6 lbs) with batteries and brackets.
- ISO 100 guide number (air) 66/33/16
- Size 3.75 inches by 6.75 inches
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