Pentax
645Z
51MP medium format DSLR that made digital MF accessible — still prized for landscape and studio.
$8,499
Launch priceAffiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Last updated June 2026
Key specs at a glance
Resolution
51.4 MP
Sensor
43.8 × 32.8 mm
ISO max
25,600
Burst
20 fps
4K
60 fps
IBIS
7-stop
Weight
1470 g
Battery
640 shots
Where to buy the Pentax 645Z
Check today's availability, latest prices, bundle deals, and certified refurbished options at the major authorized retailers:
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Sensor size
Pentax 645Z
43.8 × 32.8 mm · Medium Format
1437 mm² area
Body size, to scale
Front view
Width × Height
Credit card
85.6 × 54 mm
Back view
Width × Height — same proportions as the front
Credit card
85.6 × 54 mm
Top view
Width × Depth (front-to-back)
Credit card
85.6 × 54 mm
156 × 117 × 123 mm · 1470 g (3.24 lb / 51.85 oz)
Best for
Use-case scores
Scored algorithmically from verified specs. 10 = best in class.
Portrait
Good- · 51.4MP — excellent for large prints and crops
- · Eye AF locks focus on subjects reliably
Sports & Action
Good- · 20fps burst — fast action ready
- · Pre-Capture records before you press shutter
Video & Hybrid
Good- · 4K recording
- · 4K 60p smooth motion
Landscape
Excellent- · 51.4MP — massive detail for large prints
- · ISO 64 base — best dynamic range
Travel
Fair- · 640 shots/charge — all-day shooting
- · Weather sealed for varied conditions
Wildlife
Excellent- · 20fps burst captures fleeting moments
- · Bird AF subject recognition
Vlogging
Fair- · 4K 60p for smooth handheld vlogs
- · IBIS reduces handheld shake
Pros
- ✓ 51MP medium format
- ✓ CMOS sensor
- ✓ Pentax color
- ✓ Relatively affordable MF
Cons
- – Huge body
- – Slow operation
- – Limited lens line vs Hasselblad
Ready to buy the Pentax 645Z?
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Full specifications
Verified specs · Pentax 645Z