Just had an excellent experience with Jim Koh, of Koh's Camera, Bellmore, NY. Great service on my Nikon S2 (RF adjustment) and Diaphram fix on my 105/2.5 Non-AI. Also took care of a broken aux shutter on my Hasselblad 500CM and a Rolleiflex shutter a few months ago.

Nice shop if you are on Long Island, NY, nice selection of Nikon RF, Hasselblad, Leica and many other exotic bits.

Reasonable and immediate turnaround, highly recommended for your repair needs