Pentax 645Z weight is 1550 g (3.42 lb / 54.67 oz) and size is 156 x 117 x 123 mm (6.14 x 4.61 x 4.84″).
Now lets compare the weight and thickness of Pentax 645Z with its main competitors:
645Z has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 98% and a magnification ratio of 0.85x. 98% coverage means that what you see in your viewfinder while shooting will slightly be different from the actual image.
Max Shutter speed
Pentax 645Z has max speed of 3 fps and max shutter speed of 1/4000 sec..
Pentax 645Z features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 27 points to choose from. Pentax 645Z also features Face detection AF
where it intelligently detects the faces in the frame and locks the focus automatically.
With Pentax 645Z, you can record your videos at a highest resolution of 1920 x 1080 at 60i,50i,30p,25p,24p fps and save in MPEG-4 and H.264 formats. Full HD resolution of Pentax 645Z will be adequate in most of the situations. But if you are after the highest resolution videos available, see our list of Top Cameras with 4K (Ultra-HD) Video
645Z has a built-in Mono microphone and a Stereo speaker. Pentax 645Z also has a port for an external microphone so you can record high quality sound with the help of an external microphone.
Connectivity and Storage
You can connect 645Z to compatible devices via its HDMI port or USB 3.0 (5 GBit/sec) port.
Pentax 645Z is mechanized by a battery which gives a shooting lifetime of 650 therefore to CIPA norm.
Pentax 645Z Battery Specs Compared to Other Models