Nikon D90 brand_Pentacon This one is designed to

This one is designed to fit the IIA or III models with f2

with hex-plate quick release system

or just accidentally drop it and cause a big mess: the choice is yours

The Sony HVL-F20AM is a compact flash for cameras with Sony's "auto lock accessory shoe" (that's the weird reverse shoe they inherited from Minolta)

Nikon D90 brand_Pentacon This one is designed toThe Nikon D90 is a good quality DSLR camera with a 12mp DX format sensor and pretty solid compatibility with Nikon F mount lenses, from the earliest AF models to some of the newest (minus the E type and AF P models). If you don't care about metering, you can use most lenses all the way back to the earliest pre AI models. Video? Yes, kind of, but it's 720P and not very good. This D90 is in excellent condition, with approximately 9000 actuations.