Pentax 645Z IR is the Medium format camera with 51-megapixel sensor, be upgraded variant from the standard Pentax 645Z. With IR suffix to present this camera is capable of infrared imaging – light that normally not recognized by the naked human eye and the normal camera. The infrared filter normally present in front of the camera’s sensor has been removed on this model; the camera is thus able to capture both the visible and infrared spectra. Infrared-only photos are possible if an IR filter is mounted on the lens.
Pentax says the 645Z IR camera was produced to serve some purposes such as research institutions or government agencies (eg police used to photograph the crime scene), so it will not be sold by retailers or offered to consumers. If you want to place order, you will be subject to a usage agreement and can place orders by contacting Ricoh here. It will start being on November 27th, and the camera is expected to ship by January 15th, 2016. The price was not disclosed yet, but certainly will not lower that the $8600.
When compared with a typical digital camera to record only visible light is infrared light also can be recorded in addition to visible light by removing the IR cut filter. Also by mounting the visible light cut filter in front of the lens, it can be special shooting using only infrared rays.
Basically, Pentax 645Z IR most of features inherited from 645Z Pentax Medium Format Digital Camera like the Prime III Image processor with ISO range from 100 to 204,800, continuous shooting speed of 3 fps, shutter speed 1/4000 sec. SAFOX II TTL phase-matching autofocus with 27 AF points, extra 11 points than the 645D, which includes 25 cross-type points. The camera body has been designed with the magnesium alloy and usability under some extreme weather conditions such as desert or rain.