Blackmagic
URSA Cine 17K
Large-format 65mm cinema camera with 17K resolution, interchangeable lens mount, and BRAW recording.
$29,995
Launch priceReleased Apr 2024
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
Alpha 1 II is 7 months newer.
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Wins
URSA Cine 17K
Wins
Alpha 1 II
5 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 1 II has lower AF low-light limit (-4 EV vs 0 EV)
- BAlpha 1 II has higher AF points / zones (759 vs 0)
- BAlpha 1 II has higher AF frame coverage (94 % vs 0 %)
- BAlpha 1 II has lower Weight (743 g vs 8500 g)
- AURSA Cine 17K has higher Max video bit rate (600 Mbps vs 150 Mbps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareURSA Cine 17K
280 × 190 × 200 mm
8500 g (18.74 lb / 299.83 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
URSA Cine 17K is 144mm wider, 93mm taller, and 117mm thicker than Alpha 1 II.
URSA Cine 17K is 7757 g heavier than Alpha 1 II.
Depth (front-to-back): 200mm URSA Cine 17K · 83mm Alpha 1 II
Sensor size, to scale
URSA Cine 17K
55.96 × 29.87 mm · Full Frame
1672 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
1.9× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
URSA Cine 17K: mount data unavailable
Alpha 1 II
✓ more lensesSony E
350+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
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
URSA Cine 17K
Codecs
Adds Blackmagic RAW
Dimensions (W×H×D mm)
Adds 280, 190, 200
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
Card types
Adds CFexpress Type B
ISO max (native)
51,200 vs 32,000 — higher is better
ISO min (native)
64 vs 100 — lower is better
Subject recognition
Adds Vehicle
Resolution
65 MP vs 50.1 MP — higher is better
Reasons to choose
Alpha 1 II
AF low-light limit
-4 EV vs 0 EV — lower is better
AF points / zones
759 vs 0 — higher is better
AF frame coverage
94 % vs 0 % — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Weight
743 g vs 8500 g — lower is better
Subject recognition
Adds Insect, Car/Train, Airplane
Card types
Adds CFexpress Type A
Both cameras share
- ✓AA filter — Both support aa filter
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 30 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓RAW buffer depth — Both 200 frames
Pros & cons at a glance
Editorially curated highlights and trade-offs.
URSA Cine 17K
Pros
- ✓17K large format
- ✓Interchangeable mount
- ✓Blackmagic RAW
- ✓Pro cinema workflow
Cons
- –Extremely expensive
- –Massive files
- –Requires full crew
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Decided which one is right for you?
Compare live prices for the URSA Cine 17K and Alpha 1 II at major authorized retailers.
Blackmagic URSA Cine 17K
Sony Alpha 1 II
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for video, URSA Cine 17K or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 6.5/10 for URSA Cine 17K — 8K recording for future-proof footage.
What's the resolution difference between the URSA Cine 17K and Alpha 1 II?
URSA Cine 17K is 65 MP and Alpha 1 II is 50.1 MP, so the URSA Cine 17K captures more detail for cropping and large prints.
Do the URSA Cine 17K and Alpha 1 II have in-body image stabilization?
URSA Cine 17K has 8-stop in-body image stabilization, while Alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the URSA Cine 17K or the Alpha 1 II?
URSA Cine 17K reaches 30 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the URSA Cine 17K and Alpha 1 II?
URSA Cine 17K weighs 8500 g and Alpha 1 II weighs 743 g, so the Alpha 1 II is 7757 g lighter.
Do the URSA Cine 17K and Alpha 1 II record 4K video?
URSA Cine 17K: 4K up to 120p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the URSA Cine 17K and Alpha 1 II weather sealed?
URSA Cine 17K: Yes. Alpha 1 II: Yes.
Which has better battery life?
Rated battery life is 520 shots (CIPA) for the URSA Cine 17K and 520 shots for the Alpha 1 II, giving the Alpha 1 II the edge.
How much does each cost?
URSA Cine 17K launched at $29,995 and Alpha 1 II at $6,499. The Alpha 1 II is $23,496 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way URSA Cine 17K vs Alpha 1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Blackmagic and Sony press materials.