Flash Bulb M3B
SKU: AAA0124/M3BFLASHBULB
Availability: 373
Unable to fully test or has no guarantee for future functionality
The M3B is a miniature flash bulb with the same characteristics as the M5B in terms of duration and peak brightness with the key difference that M3B bulbs reach peak at 17.5ms instead of the standard 20ms. This slightly earlier peak time allows them to be used across different camera types more easily. They synchronize well with M-sync shutters at all speeds and can sync with F or X-sync shutters at 1/30th or slower. They are a common and popular bulb for use on box cameras.
Because clear bulbs were designed for use with black and white films, the "B" style bulbs such as the M3B were designed with a blue coating to assist in color correction when using flash with color films. Because of this coating, these bulbs may operate with 1/2 to 1 stop less light output as their clear counterparts.
This listing is for a single M3B flash bulb.
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