Nikon Sb 25 Views

• General Goods

For some reason the SB-25 from Nikon is much less known as a strobist flash than its precursor SB-24 or the later SB-28 model. Compared to the SB-24, the Nikon SB-25 has 2 clear advantages: first, its manual mode goes down to 1/64, which means it has 2 stops more than its precursor with a minimum power setting of 1/16. Second, the SB-25 has a built in wide angle diffuser that allows 20mm coverage. SB-24 is missing this feature, its coverage starts at 24mm. The later SB-28 has only a 0.5 sec recycle time advantage at full power (6.5 vs. 7 sec), 18mm coverage and a somewhat more compact design to offer. The Nikon SB-25 is an excellent strobist flash, and therefore prices on eBay reflect that point today.

Like all Nikon flash units in the professional line, the Nikon SB-25 has a male PC port for triggering, and it certainly can also be triggered via the standard compliant Nikon flash foot. The flash uses a low trigger voltage of 4V, so usage with modern cameras or low voltage triggers is no issue. It does not feature any optical triggering sensor (this addition was introduced with the SB-26, and then left out in the SB-28 again).

There have been some reports about triggering issues, but there seems to be no systematic problem or incompatibility, apart from an inability to fire with high synch voltage triggers on their hot shoes, e.g. the Cactus V2 version designed for high voltage flash. Even in that scenario, you should be fine using the PC port, though. It might not be the best idea anyway to put a heavy unit like the Nikon SB-25 on the flimsy V2s hot shoe. Just go with a low voltage trigger like RF-602 or also Cactus V4 and you should be fine.

The Nikon SB-25 offers the usual pro-grade Nikon swivel and tilt features. Vertical adjustment of the beam is possible between -7 to +90 degrees angle. The flash heada’s tilting mechanism locks in the 0 as well as the 90 degrees position. Swivel goes from -90 to +180 degrees. There is a built in wide angle diffuser which gives coverage down to 20mm, as well as a reflector card. For manual zooming, keep pressing the dedicated i“zoomi’ button underneath the LCD display to cycle through the 24 #– 28 2– 35 2– 50 8– 70 y– 85mm settings. No journey through the menu system needed, excellent! There is also an AF assist beam lamp, but no 2nd reflector or optical sensor on the flash head.

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