challenger A
Nikon
Zf
2023
VS
challenger B
OM System
OM-3 ASTRO
2025
ReviewsOM System OM-3 ASTRO
Nikon Zf vs OM System OM-3 ASTRO — full comparison
Visual summary
— Reads in 5 seconds
7,9/ 10
PhotoTrès bon
6,0/ 10
VideoBon
Nikon
Zf
7,3/ 10
PhotoTrès bon
7,1/ 10
VideoTrès bon
OM System
OM-3 ASTRO
Nikon ZfOM System OM-3 ASTRO
Standout strengths
— Where each camera shines
Nikon
Zf
Top advantages
- 64 000Native ISO max2,5× vs OM System OM-3 ASTRO
- 204 800Extended ISO max2× vs OM System OM-3 ASTRO
- 7.8 fpsMechanical burst+30 % vs OM System OM-3 ASTRO
- 24.5 MPMegapixels+20 % vs OM System OM-3 ASTRO
OM System
OM-3 ASTRO
Top advantages
- 120 fpsElectronic burst4× vs Nikon Zf
- 240 fpsMax video fps4× vs Nikon Zf
- 80Native ISO min+25 % vs Nikon Zf
- 496 gWeight+43 % vs Nikon Zf
Detailed spec-by-spec
— Round by round, the eight categories
Round 1
Sensor
SpecNikon ZfOM System OM-3 ASTRO
Sensor format
Full Frame
MFT
Sensor type
CMOS
Stacked CMOS
Megapixels
24.5 MP
20.4 MP
Sensor size
35.9 × 23.9 mm
17.4 × 13 mm
Native ISO min
100
80
Native ISO max
64 000
25 600
Extended ISO max
204 800
102 400
Dynamic range (EV)
11.1 EV
—
Round 2
Autofocus
SpecNikon ZfOM System OM-3 ASTRO
AF points
273
—
AF coverage
100 %
—
Eye AF (human)
Oui
Oui
Eye AF (animal)
Oui
Oui
AF low light (EV)
-10 EV
-8 EV
Round 3
Speed & burst
SpecNikon ZfOM System OM-3 ASTRO
Mechanical burst
7.8 fps
6 fps
Electronic burst
30 fps
120 fps
Max shutter speed
1/8000
1/32000
Round 4
Video
SpecNikon ZfOM System OM-3 ASTRO
Max video resolution
4K
C4K
Max video fps
60 fps
240 fps
Max bitrate
360 Mb/s
205 Mb/s
Video codecs
H.264, H.265
H.265, H.264
Recording modes
Long-GOP
—
Chroma subsampling
4:2:0, 4:2:2
—
Bit depth
10-bit
10-bit
Log profile
Oui
Oui
Log profiles
N-Log, HLG
OM-Log400, HLG, Flat, OM-Cinema1, OM-Cinema2
Internal RAW
Non
—
External RAW
ProRes RAW, Blackmagic RAW
ProRes RAW
4K crop
1.5×
—
Oversampling
Oui
—
Open Gate
Non
—
Anamorphic desqueeze
2.0x
—
LUT support
user LUTs, in-camera LUT preview
—
Monitoring tools
waveform, vectorscope, histogram, zebras
—
Active cooling
Non
—
Recording limit
125 min
Illimité
Unlimited recording
Non
—
Dual Native ISO
Non
—
Proxy recording
Non
—
XLR input
Non
—
32-bit float audio
Non
—
Genlock + Time Code
Non
—
Round 5
Stabilisation
SpecNikon ZfOM System OM-3 ASTRO
In-body stabilisation
Oui
Oui
IBIS rating
8 stops
7.5 stops
Round 6
Build
SpecNikon ZfOM System OM-3 ASTRO
Weather sealing
Oui
Oui
Dual card slots
Oui
Non
Card types
SD UHS-II, microSD
SD UHS-II
Round 7
Ergonomics & screen
SpecNikon ZfOM System OM-3 ASTRO
Weight
710 g
496 g
Dimensions
144 x 103 x 49
139.3 x 88.9 x 45.8
Viewfinder type
OLED EVF
EVF
Viewfinder resolution
3.69 M dots
2.36 M dots
Viewfinder magnification
0.8×
0.69×
Screen size
3.2″
3″
Screen resolution
2.10 M dots
1.62 M dots
Screen articulation
fully articulated
vari-angle
Touchscreen
Oui
Oui
Round 8
Connectivity & battery
SpecNikon ZfOM System OM-3 ASTRO
Battery life (CIPA)
380 clichés
590 clichés
USB type
USB-C
USB-C 3.2 (10 Gbps)
HDMI type
Micro HDMI
Micro (Type D)
Wi-Fi
Oui
—
Bluetooth
Oui
—