Canon
EOS R6 V
Video-first 32.5MP full-frame EOS V-series body with 7K RAW 60p, 4K 120p, active cooling, and Canon RF mount.
$2,499
Released May 2026
OM System
OM-3 ASTRO
Astrophotography-focused OM-3 variant with 20.4MP stacked sensor, H-alpha-friendly filter tuning, IP53 sealing, and 7.5-stop Sync IS.
$2,499
Released Jul 2025
EOS R6 V is 10 months newer.
Wins
EOS R6 V
Wins
OM-3 ASTRO
2 categories tied
TL;DR — Key differences
- AEOS R6 V has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- AEOS R6 V has higher AF points / zones (6097 vs 1053)
- BOM-3 ASTRO has higher Burst (electronic) (120 fps vs 40 fps)
- AEOS R6 V has higher 4K max frame rate (120 fps vs 60 fps)
- AEOS R6 V has higher Card slots (2 vs 1)
Key specs at a glance
Size and weight, to scale
EOS R6 V
142 × 83 × 80 mm
688 g (1.52 lb / 24.27 oz)
OM-3 ASTRO
139 × 89 × 46 mm
496 g (1.09 lb / 17.50 oz)
EOS R6 V is 6mm shorter than OM-3 ASTRO but it is also 3mm wider and 34mm thicker.
EOS R6 V is 192 g heavier than OM-3 ASTRO.
Depth (front-to-back): 80mm EOS R6 V · 46mm OM-3 ASTRO
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R6 V
142 × 83 mm
OM-3 ASTRO
139 × 89 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R6 V
142 × 80 mm
OM-3 ASTRO
139 × 46 mm
Sensor size, to scale
EOS R6 V
35.9 × 23.9 mm · Full Frame
858 mm² area
OM-3 ASTRO
17.4 × 13 mm · Compact / large-type
226 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R6 V
Canon RF
105+
native lenses available
OM-3 ASTRO
✓ more lensesMicro Four Thirds
130+
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
EOS R6 V
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 141.8, 83.3, 79.7
Max video bit rate
2600 Mbps vs 150 Mbps — higher is better
AF points / zones
6097 vs 1053 — higher is better
Codecs
Adds RAW, XF-HEVC S, XF-AVC S
AA filter
Only EOS R6 V supports it
4K max frame rate
120 fps vs 60 fps — higher is better
Internal RAW video
Only EOS R6 V supports it
Reasons to choose
OM-3 ASTRO
AF low-light limit
-8 EV vs -6.5 EV — lower is better
Subject recognition
Adds People, Birds, Animals…
Dimensions (W×H×D mm)
Adds 139.3, 88.9, 45.8
Burst (electronic)
120 fps vs 40 fps — higher is better
Card types
Adds SD UHS-I
ISO max (native)
102,400 vs 64,000 — higher is better
Codecs
Adds MOV
Weight
496 g vs 688 g — lower 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 — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R6 V
Pros
- ✓7K RAW 60p and 7K Open Gate recording
- ✓4K DCI/UHD 120p with no crop
- ✓Dual Pixel CMOS AF II with people, animal, and vehicle detection
- ✓Active cooling for long-form recording
- ✓Full-size HDMI and dual CFexpress/SD card recording
Cons
- –No built-in EVF
- –Single CFexpress Type B slot plus one SD slot
- –Video-first body may be less ideal for stills-first shooters
- –Battery grip not supported
OM-3 ASTRO
Pros
- ✓Astro-tuned sensor filter
- ✓20.4MP stacked BSI Live MOS
- ✓IP53 weather sealing
- ✓7.5-stop Sync IS
Cons
- –Specialized astro variant
- –Micro Four Thirds sensor
- –Premium price
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, EOS R6 V or OM-3 ASTRO?
EOS R6 V scores 7.5/10 versus 2.5/10 for OM-3 ASTRO — 32.5MP — ample resolution.
What's the resolution difference between the EOS R6 V and OM-3 ASTRO?
EOS R6 V is 32.5 MP and OM-3 ASTRO is 20.4 MP, so the EOS R6 V captures more detail for cropping and large prints.
Do the EOS R6 V and OM-3 ASTRO have in-body image stabilization?
EOS R6 V has 7.5-stop in-body image stabilization, while oM-3 ASTRO has 6.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS R6 V or the OM-3 ASTRO?
EOS R6 V reaches 40 fps electronic. OM-3 ASTRO reaches 120 fps electronic.
What's the weight difference between the EOS R6 V and OM-3 ASTRO?
EOS R6 V weighs 688 g and OM-3 ASTRO weighs 496 g, so the OM-3 ASTRO is 192 g lighter.
Do the EOS R6 V and OM-3 ASTRO record 4K video?
EOS R6 V: 4K up to 120p. OM-3 ASTRO: 4K up to 60p.
Are the EOS R6 V and OM-3 ASTRO weather sealed?
EOS R6 V: Yes. OM-3 ASTRO: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS R6 V and 640 shots for the OM-3 ASTRO, giving the OM-3 ASTRO the edge.
How much does each cost?
Both launched at $2,499.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and OM System press materials.