Amazon.com : K&F Concept Lens Mount Adapter Compatible with Pentacon 6 Kiev 60 Lens to Nikon AI F Mount Camera D90 D300 D700 D7100 D7000 (Pentacon-Nikon) : Electronics
Nikon D300 Mount Type
T2/T lens Nikon F Mount Adapter Ring for Nikon D80 D90 D100 D200 D300S D300 D70 | eBay
Singing the Praises of the Nikon D300
Nikon D300 DSLR - photo/video - by owner - electronics sale - craigslist