This camera does faithful service for every hobby-amateur-professional photographer. you can use all the optics of Nikon also old manual good (Made in Japan). The F100 is easy with BP15. The Af reacts very precise and schnell.custom function is universally not got available via CF expandable grid screen for as an accessory. The seals are extremely reliable even if it is very very wet. Said it is round whom the f5 is too expensive and too heavy an extremely good investment in the long term they will for a Nikon fan the first choice