Nikon BC-V Flash
- hometecheasy
- Aug 25
- 2 min read

The Nikon BC-V Flash for rangefinder cameras is a compact, accessory flash unit designed for use with Nikon rangefinder cameras, such as the Nikon S series (e.g., Nikon S2, S3, S4, and SP). These flashes were popular in the 1950s and 1960s and were designed to provide additional lighting for photography in low-light conditions.


Key Features of the Nikon BC-V Flash:
Compact Design: The BC-V flash is small and lightweight, making it easy to attach to the camera and carry around.
Synchronization: It syncs with the camera's shutter to ensure the flash fires at the correct moment during exposure.
Guide Number: The flash has a relatively low guide number (typically around 14-16 meters at ISO 100), which is suitable for close-range photography.
Power Source: It uses disposable flashbulbs, which were common at the time. These bulbs are single-use and need to be replaced after each flash.

Mounting: The flash attaches to the camera via a cold shoe or a dedicated flash bracket, depending on the camera model.

Compatibility:
The Nikon BC-V flash is compatible with Nikon rangefinder cameras that have a flash sync port or a cold shoe. It was specifically designed for the Nikon S series rangefinders, which were popular among professional and amateur photographers in the mid-20th century.
Usage Tips:
Flashbulbs: Ensure you have the correct type of flashbulbs for the BC-V flash. These bulbs are no longer commonly available, so you may need to source them from vintage photography suppliers.
Synchronization: Set your camera's shutter speed to the appropriate sync speed (usually around 1/30 or 1/60 of a second) to avoid uneven exposure.
Distance: Due to the relatively low guide number, the BC-V flash is best used for subjects within a few meters of the camera.

Collectibility:
Today, the Nikon BC-V flash is considered a vintage accessory and is sought after by collectors of classic Nikon equipment. If you own a Nikon rangefinder camera, using a BC-V flash can add an authentic touch to your vintage photography setup.



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