Camera bodies
OM System PEN hard case with custom foam
The short answer
The OM System PEN measures 125.8 × 74.5 × 55.3 mm. On its own it fits the S compact case: €189, case and cut foam included, delivery included, in 5 to 6 weeks.

The gear is not included. Express: 4 to 5 weeks, +€8.
- Cutting plan approved by you before production
- Delivery included, with tracking number
- Two-year legal guarantee of conformity
- Secure payment by Shopify
Hard camera case: which one for your camera?
- Dimensions used
- 125.8 × 74.5 × 55.3 mm
- Stored as
- body cap on, +12 mm of depth (margin included)
- Dimension reliability
- Probable dimensions 66/100
- Clearance left in the foam
- 3.5 mm per side
- Weight
- 393 g
- Pocket depth
- 77 mm
- Delivered cases
- no delivered case recorded for this gear yet
- Sources
- manufacturer spec sheet, retailer
How to read these dimensions, their sources and their reliability: see the FAQ
Start from a kit with the OM System PEN
Take the set closest to yours, then adjust it in the configurator.
Everyday
- OM System PEN
- SD card wallet
- Samsung T7
- Panasonic Lumix G Leica DG Vario-Elmarit 12-35mm F2.8 II ASPH Power OIS
S compact case, €189
Full kit
- OM System PEN
- SD card wallet
- Samsung T7
- Panasonic Lumix G Leica DG Vario-Elmarit 12-35mm F2.8 II ASPH Power OIS
- Panasonic Lumix G Leica DG Vario-Elmarit 35-100mm F2.8 II ASPH Power OIS
- RØDE VideoMic NTG
- DJI Mic 2 (charging case)
- Pocket: small magic arm (3 to 5 in)
- Pocket: crab clamp
M all-round case, €259
How it is stored
The body is stored upright, on its base, with the cap on: the screen and mount do not rest on the foam. If the case’s foam is too thin for its height, it lies on its back, mount facing up.
Size and price
The pocket cut for the OM System PEN
In the S case, the foam is cut at 63 × 133 mm on the floor for the OM System PEN: its dimensions used plus 3.5 mm of clearance on each side. The pocket goes 77 mm deep.
- Pocket footprint
- 63 × 133 mm
- Pocket depth
- 77 mm
- Foam under the pocket
- 25 mm
- Space left along the length
- 237 mm
- Space left across the width
- 94 mm
- Share of the inside volume used
- 7.2 %
Margins: inside of the S case (300 × 227 × 132 mm) minus the pocket.
Where these dimensions come from
One line per source consulted. The cut adds the storage margin to it.
| Type | Website | Published dimensions | Weight | What the dimensions leave out |
|---|---|---|---|---|
| manufacturer spec sheet | explore.omsystem.com | 125.8 × 74.5 × 43.3 mm | 393 g | the body cap |
| retailer | precision-camera.com | 125.8 × 74.5 × 43.3 mm | 393 g | the body cap |
- The sources agree: less than 0.5 mm apart.
Compared with similar models
Gap = dimension of the nearby model minus that of the OM System PEN: + larger, − smaller.
The Fujifilm X-E5 measures 4 mm less in depth than the OM System PEN. Same recommended case size for both: the S.
| Model | Width (mm) | Height (mm) | Depth (mm) | Weight (g) | Recommended case |
|---|---|---|---|---|---|
| Fujifilm X-E5 | −1 | −1.5 | −4 | +52 | S |
| OM System OM-5 II | −0.5 | +10.5 | +6.5 | −27 | S |
| OM System OM-3 | +13.5 | +14.5 | +2.5 | +20 | S |
| OM System OM-1 Mark II | +13 | +17 | +29.5 | +118 | S |
Often stored with the OM System PEN
Where foam is left over, the configurator suggests a pocket of the right size. Nothing is added by default.
Spare batteries
Empty pocket for your own, at no extra cost · 90 × 60 mm
Foamd SD card wallet
Sold with its pocket, €12 · 115 × 85 mm
Charger
Empty pocket for your own, at no extra cost · 110 × 75 mm
Foamd lens cleaning kit
Sold with its pocket, €15 · 170 × 95 mm
Questions about the OM System PEN case
- Which case size for the OM System PEN?
- On its own, the OM System PEN fits in the S case (300 × 227 × 132 mm inside), at €189 for case and foam, delivery included. Its pocket is 77 mm deep in 102 mm foam.
- How much clearance does the foam leave around the OM System PEN?
- 3.5 mm per side. The dimensions agree between the manufacturer’s sheet and another source; they become “verified” after our own measurement.