Fujifilm
X-H2S
Stacked APS-C speed flagship with 40fps and 6.2K video.
$2,499
Launch priceReleased May 2022
Pentax
K-3 Mark III Monochrome
Monochrome-only APS-C DSLR with 25.7MP sensor, IBIS, optical viewfinder, and weather sealing.
$2,199
Launch priceReleased Apr 2024
K-3 Mark III Monochrome is 1.9 years newer.
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Wins
X-H2S
Wins
K-3 Mark III Monochrome
3 categories tied
Which would you choose?
TL;DR — Key differences
- AX-H2S has higher Max video bit rate (720 Mbps vs 150 Mbps)
- AX-H2S has higher AF points / zones (425 vs 101)
- BK-3 Mark III Monochrome has higher ISO max (native) (25,600 vs 12,800)
- AX-H2S has higher Burst (electronic) (40 fps vs 20 fps)
- AX-H2S has higher 4K max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareX-H2S
136 × 93 × 85 mm
660 g (1.46 lb / 23.28 oz)
Credit card
85.6 × 54 mm
for scale
K-3 Mark III Monochrome
135 × 104 × 74 mm
820 g (1.81 lb / 28.92 oz)
X-H2S is 11mm shorter than K-3 Mark III Monochrome but it is also 2mm wider and 11mm thicker.
X-H2S is 160 g lighter than K-3 Mark III Monochrome.
Depth (front-to-back): 85mm X-H2S · 74mm K-3 Mark III Monochrome
Sensor size, to scale
X-H2S
23.5 × 15.6 mm · APS-C
367 mm² area
K-3 Mark III Monochrome
23.5 × 15.6 mm · APS-C
367 mm² area
Lens ecosystem
Native lens selection
X-H2S
✓ more lensesFujifilm X
105+
native lenses available
K-3 Mark III Monochrome
Pentax 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
X-H2S
AF low-light limit
-7 EV vs -3 EV — lower is better
Dimensions (W×H×D mm)
Adds 136.3, 92.9, 84.6
Max video bit rate
720 Mbps vs 150 Mbps — higher is better
AF points / zones
425 vs 101 — higher is better
Subject recognition
Adds Automobile, Motorcycle/Bike, Airplane…
Card types
Adds CFexpress Type B, SDXC V90
Codecs
Adds Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT
Burst (electronic)
40 fps vs 20 fps — higher is better
Reasons to choose
K-3 Mark III Monochrome
Dimensions (W×H×D mm)
Adds 134.5, 103.5, 73.5
ISO max (native)
25,600 vs 12,800 — higher is better
Subject recognition
Adds Human, Vehicle
ISO min (native)
100 vs 160 — lower is better
Battery life (CIPA)
640 shots vs 580 shots — higher is better
Both cameras share
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X-H2S
Pros
- ✓40fps burst
- ✓Stacked APS-C
- ✓6.2K video
- ✓Great AF
Cons
- –APS-C sensor
- –Complex menus
- –Crop for some modes
K-3 Mark III Monochrome
Pros
- ✓Dedicated monochrome sensor
- ✓Optical viewfinder
- ✓IBIS in a DSLR
- ✓Weather sealed
Cons
- –Black-and-white only
- –DSLR platform
- –Limited video
Decided which one is right for you?
Compare live prices for the X-H2S and K-3 Mark III Monochrome at major authorized retailers.
Fujifilm X-H2S
Pentax K-3 Mark III Monochrome
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, X-H2S or K-3 Mark III Monochrome?
X-H2S scores 9.5/10 versus 6.5/10 for K-3 Mark III Monochrome — 40fps burst — pro-level action capture.
What's the resolution difference between the X-H2S and K-3 Mark III Monochrome?
X-H2S is 26.16 MP and K-3 Mark III Monochrome is 25.7 MP, so the X-H2S captures more detail for cropping and large prints.
Do the X-H2S and K-3 Mark III Monochrome have in-body image stabilization?
X-H2S has 7-stop in-body image stabilization, while K-3 Mark III Monochrome has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the X-H2S or the K-3 Mark III Monochrome?
X-H2S reaches 40 fps electronic. K-3 Mark III Monochrome reaches 20 fps electronic.
What's the weight difference between the X-H2S and K-3 Mark III Monochrome?
X-H2S weighs 660 g and K-3 Mark III Monochrome weighs 820 g, so the X-H2S is 160 g lighter.
Do the X-H2S and K-3 Mark III Monochrome record 4K video?
X-H2S: 4K up to 120p. K-3 Mark III Monochrome: 4K up to 60p.
Are the X-H2S and K-3 Mark III Monochrome weather sealed?
X-H2S: Yes. K-3 Mark III Monochrome: Yes.
Which has better battery life?
Rated battery life is 580 shots (CIPA) for the X-H2S and 640 shots for the K-3 Mark III Monochrome, giving the K-3 Mark III Monochrome the edge.
How much does each cost?
X-H2S launched at $2,499 and K-3 Mark III Monochrome at $2,199. The K-3 Mark III Monochrome is $300 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X-H2S vs K-3 Mark III Monochrome vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.