PENTAX 645Z Medium Format Camera
The Pentax 645Z is a 51MP Medium Format medium format camera — with 1080p video. Check GearFocus for current availability, with buyer protection on every purchase.
PENTAX 645Z Medium Format Camera
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Overview — Pentax 645Z
Key Features — Pentax 645Z
51MP Medium Format Sensor: Captures images at 8256x6192 pixels, delivering exceptional detail and large file sizes well-suited for commercial, landscape, and studio photography.
ISO 100–204800 Range: Wide native sensitivity spread allows shooting across a broad range of lighting conditions, from bright daylight to low-light environments.
PRIME III Image Processor: Dedicated medium format processor handles the high-resolution output and contributes to the camera's extended ISO performance and color rendering.
27-Point Phase-Detection AF: SAFOX II autofocus system with 25 cross-type points and dedicated low-light AF sensors for reliable focus acquisition in varied conditions.
Weather-Sealed Magnesium Body: Dustproof, weather-resistant, and cold-resistant construction rated to -10°C makes the camera usable for outdoor work in demanding environments.
3.2-Inch Tilting LCD: 1,037,000-dot tilting TFT display allows comfortable framing from low or high angles without repositioning the entire camera.
Specifications — Pentax 645Z
| Spec | Detail |
|---|---|
| Use Cases | Studio, Fashion |
| Type | Medium Format |
| Sensor | Medium Format |
| Resolution | 51MP |
| Processor | PRIME III |
| ISO Range | 100 – 204800 |
| AF System | Phase Detection |
| AF Points | 27 (25 cross-type) |
| Max Photo Resolution | 8256x6192 |
| Burst Rate | 3 fps fps |
| Max Video Resolution | 1080p |
| Max Frame Rate | 30fps |
Description — Pentax 645Z
The Pentax 645Z is a medium format camera centered on a 51MP sensor paired with the PRIME III image processor, producing stills at a maximum resolution of 8256x6192 pixels. The camera's ISO sensitivity spans 100 to 204800, giving shooters considerable flexibility across lighting conditions. Autofocus is handled by the SAFOX II phase-detection system with 27 focus points — 25 of them cross-type — and includes dedicated low-light AF sensors.
Burst shooting reaches 3 fps with a buffer supporting up to 30 JPEG or 10 RAW frames. The body is built from magnesium alloy, weighs 1,550g, and measures 156 x 117 x 123 mm. Weather sealing is rated dustproof, weather-resistant, and cold-resistant down to -10°C.
On the back, a 3.2-inch tilting TFT LCD with 1,037,000 dots of resolution aids composition from varied angles, while an optical pentaprism viewfinder handles eye-level shooting. Video records up to 1080p at frame rates of 60i, 30p, and 24p in 8-bit color. Connectivity covers HDMI, USB, a headphone jack, and a microphone jack.
The flash system supports Pentax P-TTL via a standard ISO hot shoe, and the camera uses the D-LI90 battery rated for approximately 650 shots.
Pros — Pentax 645Z
- ✓51MP medium format sensor delivers a maximum resolution of 8256x6192 pixels
- ✓Wide ISO range from 100 to 204800 covers a broad range of lighting conditions
- ✓27-point SAFOX II AF system with 25 cross-type points and dedicated low-light AF sensors
Cons — Pentax 645Z
- ✗No in-body image stabilization of any type
- ✗Video tops out at 1080p 8-bit — no higher resolution or higher bit-depth recording
- ✗No built-in Wi-Fi or Bluetooth connectivity
Reviews — Pentax 645Z
- Pentax 645Z Review
DPReview · 2014-06-01 - Pentax 645Z Hands-On Field Test With Deluxe Design Group
TheCameraStoreTV - Pentax 645Z: The Five Year Review
8:45a - Hasselblad H5D Review (vs Pentax 645Z)
8:45a - My Thoughts on the Pentax 645D and 645Z
Colton Matocha - My Favorite Medium Format Digital Camera - The Pentax 645Z
Russell Rabanal
Videos — Pentax 645Z
Pentax 645Z Preview: 51 Megapixel Medium Format Camera, sort of affordable! — Tony & Chelsea Northrup
Frequently Asked Questions — Pentax 645Z
What lenses are compatible with the Pentax 645Z?+
The Pentax 645Z uses the Pentax 645 lens mount. Any lens designed for that mount system is compatible with this camera body.
Is the Pentax 645Z weather-sealed?+
Yes. The body design specifications confirm dustproof, weather-resistant, and cold-resistant protection rated down to -10°C. The body is constructed from magnesium alloy.
What is the autofocus system like on the 645Z?+
The 645Z uses the SAFOX II phase-detection AF system with 27 focus points, 25 of which are cross-type. It also includes dedicated low-light AF sensors to assist focusing in challenging conditions.
What video resolutions and frame rates does the 645Z support?+
The 645Z records video up to 1080p with frame rate options of 60i, 30p, and 24p. Video is captured in 8-bit color with sRGB and Adobe RGB color profile options.
What storage media does the Pentax 645Z accept?+
The camera accepts SD, SDHC, and SDXC memory cards. No other storage formats are listed in the specifications.
Does the 645Z have any wireless connectivity?+
No. The specifications confirm that Wi-Fi is not present, and Bluetooth is not listed. Wired connectivity includes USB and HDMI output.