The Nikon SB-24 is a professional TTL speedlight introduced in 1988, marking Nikon's breakthrough in advanced flash technology. Nikon Speedlight SB-24 TTL AF Clip-on Flash Unit. Full TTL Compatibility: Nikon F5, F100, F4-series, F90(x), F-801s, F80 series, F70, F-601s, F501, F-401x (with CPU lenses).
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