DJI
Osmo Pocket 4
Fourth-gen 1-inch pocket gimbal camera with 4K/240fps slow-motion, 14-stop D-Log, ActiveTrack 7.0, 107GB built-in storage, and 240-min battery.
$499
Launch priceReleased Apr 2026
Pentax
K-1
Original 36MP full-frame Pentax DSLR with 5-axis SR, AA filter simulator, and weather sealing.
$1,799
Launch priceReleased Apr 2016
Osmo Pocket 4 is 10 years newer.
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Wins
Osmo Pocket 4
Wins
K-1
4 categories tied
Which would you choose?
TL;DR — Key differences
- BK-1 has higher Battery life (CIPA) (640 shots vs -1 shots)
- AOsmo Pocket 4 has lower Weight (190.5 g vs 1010 g)
- AOsmo Pocket 4 has lower ISO min (native) (50 vs 100)
- BK-1 has higher ISO max (native) (25,600 vs 12,800)
- BK-1 has higher Card slots (2 vs 1)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Osmo Pocket 4
34 × 144 × 44 mm
190.5 g (0.42 lb / 6.72 oz)
Credit card
85.6 × 54 mm
for scale
K-1
137 × 111 × 87 mm
1010 g (2.23 lb / 35.63 oz)
Osmo Pocket 4 is 104mm narrower and 42mm thinner than K-1 but it is also 34mm taller.
Osmo Pocket 4 is 820 g lighter than K-1.
Depth (front-to-back): 44mm Osmo Pocket 4 · 87mm K-1
Back view, to scale
Width × Height — same proportions as the front of the body.
Osmo Pocket 4
34 × 144 mm
Credit card
85.6 × 54 mm
K-1
137 × 111 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Osmo Pocket 4
34 × 44 mm
Credit card
85.6 × 54 mm
K-1
137 × 87 mm
Sensor size, to scale
Osmo Pocket 4
13.2 × 8.8 mm · 1-inch
116 mm² area
K-1
35.9 × 24 mm · Full Frame
862 mm² area
7.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Osmo Pocket 4: mount data unavailable
K-1
✓ more lensesPentax K
70+
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
Osmo Pocket 4
Dimensions (W×H×D mm)
Adds 33.5, 144.2, 44.4
Card types
Adds microSD
Weight
190.5 g vs 1010 g — lower is better
ISO min (native)
50 vs 100 — lower is better
Subject recognition
Adds Face
Codecs
Adds HEVC (H.265)
IBIS effectiveness
7 stops vs 5 stops — higher is better
Max video bit rate
180 Mbps vs 150 Mbps — higher is better
Reasons to choose
K-1
Battery life (CIPA)
640 shots vs -1 shots — higher is better
Dimensions (W×H×D mm)
Adds 137, 110.5, 86.5
Card types
Adds SD UHS-II
Subject recognition
Adds Animal, Bird, Vehicle
AA filter
Only K-1 supports it
ISO max (native)
25,600 vs 12,800 — higher is better
Eye AF
Only K-1 supports it
Animal / bird AF
Only K-1 supports it
Both cameras share
- ✓Burst (mechanical) — Both 8 fps
- ✓Burst (electronic) — Both 20 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓RAW buffer depth — Both 120 frames
- ✓4K max frame rate — Both 60 fps
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Osmo Pocket 4
Pros
- ✓4K/240fps slow-motion
- ✓14-stop dynamic range + 10-bit D-Log
- ✓107GB built-in + 800MB/s transfer
- ✓240-min battery life
Cons
- –No US official sale (FCC pending)
- –No weathersealing
- –Fixed lens
K-1
Pros
- ✓36MP full-frame
- ✓IBIS in DSLR
- ✓AA filter simulator
- ✓Weather sealed
Cons
- –Slow AF vs mirrorless
- –Heavy
- –Superseded by K-1 II
Decided which one is right for you?
Compare live prices for the Osmo Pocket 4 and K-1 at major authorized retailers.
DJI Osmo Pocket 4
Pentax K-1
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Osmo Pocket 4 or K-1?
K-1 scores 8.0/10 versus 2.5/10 for Osmo Pocket 4 — 36.4MP — ample resolution for portraits.
What's the resolution difference between the Osmo Pocket 4 and K-1?
Osmo Pocket 4 is 37 MP and K-1 is 36.4 MP, so the Osmo Pocket 4 captures more detail for cropping and large prints.
Do the Osmo Pocket 4 and K-1 have in-body image stabilization?
Osmo Pocket 4 uses a 3-axis mechanical gimbal, while K-1 has 5-stop in-body image stabilization.
Which shoots faster bursts — the Osmo Pocket 4 or the K-1?
Osmo Pocket 4 reaches 20 fps electronic. K-1 reaches 20 fps electronic.
What's the weight difference between the Osmo Pocket 4 and K-1?
Osmo Pocket 4 weighs 190.5 g and K-1 weighs 1010 g, so the Osmo Pocket 4 is 820 g lighter.
Do the Osmo Pocket 4 and K-1 record 4K video?
Osmo Pocket 4: 4K up to 60p. K-1: 4K up to 60p.
Are the Osmo Pocket 4 and K-1 weather sealed?
Osmo Pocket 4: No. K-1: Yes.
Which has better battery life?
Rated battery life is -1 shots (CIPA) for the Osmo Pocket 4 and 640 shots for the K-1, giving the K-1 the edge.
How much does each cost?
Osmo Pocket 4 launched at $499 and K-1 at $1,799. The Osmo Pocket 4 is $1,300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Osmo Pocket 4 vs K-1 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of DJI and Pentax press materials.