Four Thirds Stacked CMOS Processor TruePic X Dual Quad Core Processor
Lens
Micro Four Thirds mount (interchangeable lenses)
Memory card
SD, SDHC (UHS-I/II), SDXC (UHS-I/II)
Max memory
Up to 2TB (SDXC)
Battery
Olympus BLX-1 rechargeable Li-ion battery
Size
135 × 92 × 73 mm
Weight
Approx. 599 g (with battery and card, CIPA)
Olympus OM System OM-1 Mark II FAQ
What battery does the Olympus OM System OM-1 Mark II use?
Olympus OM System OM-1 Mark II uses Olympus BLX-1 rechargeable Li-ion battery. When buying used, confirm the seller includes a working charger or plan to add one. See the battery guide for charger and spare-battery checks.
What memory card does the Olympus OM System OM-1 Mark II take?
Olympus OM System OM-1 Mark II uses SD, SDHC (UHS-I/II), SDXC (UHS-I/II). The current buyer-facing maximum is Up to 2TB (SDXC); for older or unusual formats, stay within that limit and avoid oversized cards. See the memory card guide before buying cards for older cameras.
Is the Olympus OM System OM-1 Mark II worth buying used?
It can be worth buying if you want a 20 MP effective Olympus compact from 2024 with Four Thirds Stacked CMOS Processor TruePic X Dual Quad Core Processor. Check power, lens movement, screen condition, and storage access before paying. Run the used digital camera checklist before buying. For nearby Olympus options, compare Olympus OM System OM-1 and Olympus OM System OM-3.
How do you transfer photos from the Olympus OM System OM-1 Mark II?
The simplest transfer path is usually to remove the memory card and use a compatible card reader. If the camera uses internal storage or a rare card format, confirm the cable or reader before buying. The card reader guide and photo transfer guide cover the common options.
Olympus OM System OM-1 Mark II is worth judging as its own Olympus pocket compact body, not just as a generic old compact. Start with condition, the exact battery/card setup, and whether its look fits what you want to shoot.
What owners like
Olympus OM System OM-1 Mark II works best when you want small-bag snapshots, flash photos, mirror selfies, and a clean pocket-camera look rather than a technically perfect modern camera; its Four Thirds (17.4 x 13 mm) Stacked CMOS and interchangeable lens mount are the main character of the look.
Common complaints
Check the lens movement, flash, screen, buttons, and card door calmly before relying on it; older compact bodies can need a little patience without being a bad buy.
What to compare
Compare it with Olympus OM System OM-3, Olympus OM System OM-5 II, Olympus Stylus SH-3, Olympus Air A01 to decide whether you want this exact body, a cheaper nearby compact, or a slightly more capable alternative.