For the Nikon F100. The MN-15 allows the use of rechargeable NiMH battery packs with the F100; these have a longer life than alkaline batteries and feature better low-temperature behaviour. They also enable 5 frames per second instead of 4.5 frames per second and a faster rewind.
Battery life: Approx. 100 films of 36 exposures at 20°
Dimensions: 118 x 29 x 58mm