
OM System
PEN
First OM SYSTEM-branded PEN: compact rangefinder-style Micro Four Thirds body with 20.4MP Live MOS, 5-axis IBIS, built-in EVF, IPX1 sealing, and in-camera computational modes.
$1,000
Launch priceReleased Sep 2026
OM System
Tough TG-7 Industry
TG-7-based industrial microscope documentation kit with Super Adapter, rugged body, C4K video, Wi-Fi/Bluetooth, and HDMI output.
$1,699
Launch priceReleased Jan 2025
PEN is 1.7 years newer.
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Wins
PEN
Wins
Tough TG-7 Industry
2 categories tied
Which would you choose?
TL;DR — Key differences
- APEN has higher AF points / zones (121 vs 25)
- BTough TG-7 Industry has lower ISO min (native) (100 vs 200)
- APEN has higher ISO max (native) (25,600 vs 12,800)
- BTough TG-7 Industry has higher 1080p max frame rate (120 fps vs 60 fps)
- APEN has higher Resolution (20.4 MP vs 12 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
PEN
126 × 75 × 43 mm
393 g (0.87 lb / 13.86 oz)

Credit card
85.6 × 54 mm
for scale
Tough TG-7 Industry
114 × 66 × 33 mm
249 g (0.55 lb / 8.78 oz)
PEN is 12mm wider, 9mm taller, and 11mm thicker than Tough TG-7 Industry.
PEN is 144 g heavier than Tough TG-7 Industry.
Depth (front-to-back): 43mm PEN · 33mm Tough TG-7 Industry
Back view, to scale
Width × Height — same proportions as the front of the body.

PEN
126 × 75 mm

Credit card
85.6 × 54 mm
Tough TG-7 Industry
114 × 66 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.

PEN
126 × 43 mm

Credit card
85.6 × 54 mm
Tough TG-7 Industry
114 × 33 mm
Sensor size, to scale
PEN
17.4 × 13 mm · Compact / large-type
226 mm² area
Lens ecosystem
Native lens selection
PEN
✓ more lensesMicro Four Thirds
130+
native lenses available
Tough TG-7 Industry: mount data unavailable
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
PEN
Subject recognition
Adds Human, Dog, Cat
Dimensions (W×H×D mm)
Adds 125.8, 74.5, 43.3
Card types
Adds SD, SDHC, SDXC
AF points / zones
121 vs 25 — higher is better
ISO max (native)
25,600 vs 12,800 — higher is better
Eye AF
Only PEN supports it
Animal / bird AF
Only PEN supports it
In-body stabilization (IBIS)
Only PEN supports it
Reasons to choose
Tough TG-7 Industry
Dimensions (W×H×D mm)
Adds 113.9, 65.8, 32.7
Card types
Adds SD UHS-I
ISO min (native)
100 vs 200 — lower is better
1080p max frame rate
120 fps vs 60 fps — higher is better
RAW buffer depth
46 frames vs 29 frames — higher is better
Weight
249 g vs 393 g — lower is better
Battery life (CIPA)
640 shots vs 410 shots — higher is better
Both cameras share
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 30 fps
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 1
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
PEN
Pros
- ✓393g rangefinder body with built-in 2.36M-dot EVF
- ✓First PEN with IPX1 dust/splash sealing
- ✓5-axis IBIS up to 5.5 stops + 121-point cross-type AF
- ✓Hi-Res, Live ND, Focus Stacking, HDR via CP button
- ✓4K / C4K video, vertical video, 3.5mm mic jack
Cons
- –Micro Four Thirds sensor vs APS-C/FF rivals
- –4K capped at 30p (C4K 24p only)
- –IPX1 is lighter sealing than OM-5 II / OM-3
- –Single SD slot, no headphone jack
Tough TG-7 Industry
Pros
- ✓Microscope adapter kit
- ✓Rugged TG-7 platform
- ✓C4K video
- ✓HDMI review workflow
Cons
- –Specialized industrial kit
- –Small sensor
- –Much pricier than TG-7 body
Decided which one is right for you?
Compare live prices for the PEN and Tough TG-7 Industry at major authorized retailers.
OM System PEN
OM System Tough TG-7 Industry
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, PEN or Tough TG-7 Industry?
PEN scores 6.5/10 versus 3.0/10 for Tough TG-7 Industry — 393g — easy to handhold for selfie video.
What's the resolution difference between the PEN and Tough TG-7 Industry?
PEN is 20.4 MP and Tough TG-7 Industry is 12 MP, so the PEN captures more detail for cropping and large prints.
Do the PEN and Tough TG-7 Industry have in-body image stabilization?
PEN has 5.5-stop in-body image stabilization, while Tough TG-7 Industry does not have IBIS.
Which shoots faster bursts — the PEN or the Tough TG-7 Industry?
PEN reaches 30 fps electronic. Tough TG-7 Industry reaches 20 fps electronic.
What's the weight difference between the PEN and Tough TG-7 Industry?
PEN weighs 393 g and Tough TG-7 Industry weighs 249 g, so the Tough TG-7 Industry is 144 g lighter.
Do the PEN and Tough TG-7 Industry record 4K video?
PEN: 4K up to 30p. Tough TG-7 Industry: 4K up to 30p.
Are the PEN and Tough TG-7 Industry weather sealed?
PEN: Yes. Tough TG-7 Industry: Yes.
Which has better battery life?
Rated battery life is 410 shots (CIPA) for the PEN and 640 shots for the Tough TG-7 Industry, giving the Tough TG-7 Industry the edge.
How much does each cost?
PEN launched at $1,000 and Tough TG-7 Industry at $1,699. The PEN is $699 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way PEN vs Tough TG-7 Industry vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of OM System press materials.