Hasselblad
X1D-50c
First mirrorless medium format camera — 50MP CMOS in a stunningly compact Hasselblad body.
$8,995
Launch priceReleased Jun 2016
Pentax
645Z
51MP medium format DSLR that made digital MF accessible — still prized for landscape and studio.
$8,499
Launch priceReleased Apr 2014
X1D-50c is 2.2 years newer.
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Wins
X1D-50c
Wins
645Z
14 categories tied
Which would you choose?
TL;DR — Key differences
- AX1D-50c has lower Weight (725 g vs 1470 g)
- AX1D-50c has higher AF points / zones (117 vs 101)
- B645Z has higher Resolution (51.4 MP vs 50 MP)
- B645Z has lower AF low-light limit (-3 EV vs -2 EV)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareX1D-50c
150 × 98 × 71 mm
725 g (1.60 lb / 25.57 oz)
Credit card
85.6 × 54 mm
for scale
645Z
156 × 117 × 123 mm
1470 g (3.24 lb / 51.85 oz)
X1D-50c is 6mm narrower, 19mm shorter, and 52mm thinner than 645Z.
X1D-50c is 745 g lighter than 645Z.
Depth (front-to-back): 71mm X1D-50c · 123mm 645Z
Sensor size, to scale
X1D-50c
43.8 × 32.9 mm · Medium Format
1441 mm² area
645Z
43.8 × 32.8 mm · Medium Format
1437 mm² area
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
X1D-50c
Dimensions (W×H×D mm)
Adds 150, 98, 71
Weight
725 g vs 1470 g — lower is better
AF points / zones
117 vs 101 — higher is better
Reasons to choose
645Z
AF low-light limit
-3 EV vs -2 EV — lower is better
Dimensions (W×H×D mm)
Adds 156, 117, 123
AA filter
Only 645Z supports it
Weather sealing
Only 645Z supports it
Resolution
51.4 MP vs 50 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 64
- ✓ISO max (native) — Both 25,600
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 8 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X1D-50c
Pros
- ✓First mirrorless MF
- ✓Iconic design
- ✓50MP medium format
- ✓XCD mount launch
Cons
- –Very slow AF
- –No IBIS
- –Superseded by X1D II
645Z
Pros
- ✓51MP medium format
- ✓CMOS sensor
- ✓Pentax color
- ✓Relatively affordable MF
Cons
- –Huge body
- –Slow operation
- –Limited lens line vs Hasselblad
Decided which one is right for you?
Compare live prices for the X1D-50c and 645Z at major authorized retailers.
Hasselblad X1D-50c
Pentax 645Z
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, X1D-50c or 645Z?
645Z scores 8.0/10 versus 6.5/10 for X1D-50c — 51.4MP — massive detail for large prints.
What's the resolution difference between the X1D-50c and 645Z?
X1D-50c is 50 MP and 645Z is 51.4 MP, so the 645Z captures more detail for cropping and large prints.
Do the X1D-50c and 645Z have in-body image stabilization?
X1D-50c has 7-stop in-body image stabilization, while 645Z has 7-stop in-body image stabilization.
Which shoots faster bursts — the X1D-50c or the 645Z?
X1D-50c reaches 20 fps electronic. 645Z reaches 20 fps electronic.
What's the weight difference between the X1D-50c and 645Z?
X1D-50c weighs 725 g and 645Z weighs 1470 g, so the X1D-50c is 745 g lighter.
Do the X1D-50c and 645Z record 4K video?
X1D-50c: 4K up to 60p. 645Z: 4K up to 60p.
Are the X1D-50c and 645Z weather sealed?
X1D-50c: No. 645Z: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the X1D-50c and 640 shots for the 645Z, giving the 645Z the edge.
How much does each cost?
X1D-50c launched at $8,995 and 645Z at $8,499. The 645Z is $496 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X1D-50c vs 645Z vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.