The Pentax 645N II is a medium format camera. The autofocus camera is the successor of the 645N and was introduced in the early 2000s.
The biggest innovation compared to the Pentax 645N is the mirror lock-up (MLU).
Films for the Pentax 645N II
The Pentax 645N II is loaded with medium format film. Both 120 and 220 roll films can be used. There is a matching film insert for both 120 and 220. The negatives from a 645N II have a size of 41.5 x 56 mm. Up to 16 images fit on a roll of 120, and up to 33 images on a roll of 220.
All important sensitivities are supported by the exposure meter. Therefore, you can draw from the full range of film choices. A good figure make in the camera about the Ilford HP5 Plus black and white film, the Kodak Portra 400 color negative film or the Fujifilm Velvia 50 slide film.
Batteries
Power for the Pentax 645N II comes from six AA batteries (eBay / Amazon*). These are placed in the camera’s handle and, according to Pentax, should be sufficient for over 100 rolls of film.
Technical specifications
Camera type: Single-lens reflex camera
Exposure format: 4.5 x 6 cm
Exposure range: 41.5 x 56 mm
Lens mount: Pentax 645 AF mount (FA), use of Pentax 645 A bayonet possible
Focus: Auto focus
Exposure programs: program-auto, time-auto, aperture-auto, manual mode, TTL auto flash
Exposure meter: Built-in; TTL
Measuring range: EV 2 to EV 21 with 75mm f/2.8 lens at ISO 100
Exposure compensation: +3.3 to -3.3 in 1/3 stops
Exposure lock:Yes
ISO range: ISO 12 to ISO 6400
Shutter type: Electronically controlled focal-plane shutter, vertical travel
Exposure times: 1/1000 s to 30 s, 1/1000 s to 6 s (manual), Bulb
Multiple exposure: Possible.
Self-timer: Yes
Mirror lockup: Yes
Film format: 120 roll film, 220 roll film, 70 mm perforated roll film (film back suitable for each format)
Frames per film: 15/16 frames (120), 30/33 frames (220), approx. 95 frames (70 mm)
Film transport: Automatic film transport by built-in motor; single frame (1 frame per second) or continuous mode (2 frames per second)
Finder: Standard ground glass with split-image indicator and microprism ring
Information in the viewfinder: LED indicator
Field of viewfinder: 92% vertical, 93% horizontal
Ocular correction: -3.5 to +1.5 dpt.
Power supply: 6 AA batteries for exposure metering, film transport and exposure indicator.
Dimensions: 147 (W) x 109 (H) x 117 (D) mm.
Weight: 1280 grams (without batteries)
Technical datasheet
| Attribute | Specification |
|---|---|
| Type of Camera | Single lens reflex camera |
| Film format | 120 |
| Film transport | Automatic |
| Film transport mechanism | Motor |
| Pictures per second | 2 |
| Picture format | 41,5 mm x 56 mm |
| Lens mount | Pentax 645 A Mount |
| Focus | Autofocus |
| Exposure times | 1/1000 second to 30 seconds, Bulb |
| Bulb mode | Yes |
| Light meter | Yes |
| Supported film speeds | ISO 12 to 6400 |
| Exposure modes | Program automatic, Aperture priority, Shutter priority, Manual mode |
| Exposure compensation | ± 3,3EV (0,3EV to) |
| Date imprinting | No |
| Double and/or multiple exposure function | Yes |
| Built-in flash | No |
| Flash Connection | Hot Shoe, X connector |
| Tripod mount | Yes |
| Cable release thread | Yes |
| Self-timer | Yes |
| Power supply | 6x AA batteries |
| Size | 14,7 x 10,9 x 11,7 cm |
| Dimensions in inches | 5.79 x 4.29 x 4.61 inches |
| Weight | 1280 Grams |
| Country of production | Japan |
| Estimated value / Used price | 1.164,51 Euro Estimate based on used prices of 8 offers (possibly with different scope of delivery and/or condition). As of June 15, 2026 |
| Average used price in the year 2023 | 1.342,59 Euro (1.45 US-Dollar) |
| Average used price in the year 2024 | 1.137,00 Euro (1.23 US-Dollar) |
| Average used price in the year 2025 | 1.163,18 Euro (1.26 US-Dollar) |
FAQ about the Pentax 645N II
What kind of film does this camera use?
The Pentax 645N II uses medium format film. You can load either 120 or 220 roll film; there are inserts for each type of roll. The negatives are 41.5 x 56 mm.
How many pictures can I take with one roll of film?
With 120 film, you can shoot up to 16 images, and with 220 film, you can get up to 33 shots. The exact amount may vary slightly.
What type of focusing system does the camera have?
It's an autofocus camera. The Pentax 645N II uses an autofocus system for easy focusing.
What kind of batteries does the imaging device need?
The camera runs on six AA batteries, which Pentax claims are good for over 100 rolls of film.
Does this device have any special features?
One key feature is mirror lock-up (MLU), which helps reduce camera shake. It also offers multiple exposure capabilities.