How to attach and remove the MB-21 from F4 - MIR Remove grip (MB-21G) by rotating grip release lever counterclockwise Install three AA-type alkaline-manganese or NiCd batteries with terminals positioned as shown inside grip Then set the battery selector inside grip to "LR6" for alkaline-manganese bafterift or to "Ni-Cd" for NiCd batteries
Nikon To remove the finder (see page 76), turn the viewfinder release lever and slide the finder toward you To attach the finder, slide the finder as far as it goes
F4 Concise Instructions | byThom Filmbodies | Thom Hogan Remove the prism by pressing the finder release lever, to the left of the prism and on top of the camera, towards the finder Pull the prism towards the back of the camera
Nikon MB-21 Service Manual - Learn Camera Repair After you complete the checkout process, you can log in to your customer account to download all the manuals you have paid for For the first five years that we operated this site, we were able to offer all of these manuals as free downloads
Nikon F4 - Various Power Sources for the Camera - MIR The more common combination for a Nikon F4 is using it with a High Speed Battery Pack MB-21 which consists of a base with battery holder and a grip unit, each of which contains three AA-type alkaline or NiCd batteries
November 11, 2025—KB5068861 (OS Builds 26200. 7171 and 26100. 7171) This cumulative update for Windows 11, version 25H2 and 24H2 (KB5068861), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained