Nikon D90 (infrared conversion) format_4x5 Mamiya Auto-Ext Ring Set is

Mamiya Auto-Ext Ring Set is a complete set of three manual focus extension tubes for the Mamiya 645 camera

fast aperture

9 Schneider-Kreuznach Radionar lens is free of hazing or fungus

it doesn't do video

Nikon D90 (infrared conversion) format_4x5 Mamiya Auto-Ext Ring Set isThis Nikon D90 has been professionally modified by Lifepixel with a 720nm "standard" infrared conversion, so full colour photography is off the table: this camera is strictly black and white, with sensitivity to 720nm. The D90 is compatible with most 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