xD-Picture Card capacity varies by card and camera firmware
Battery
Olympus model-specific rechargeable battery
Size
100 x 62 x 38 mm
Researched owner note
Why people still want it
Olympus D-540 Zoom (C-310 Zoom) is best treated as an Olympus CAMEDIA or D-series early digital body where nostalgia is interesting but SmartMedia/xD workflow, batteries, and transfer proof decide usability. Judge this exact model around its 2004 release context, 3 MP, 1/2.7-inch (5.312 x 3.984 mm) CCD, 38-114 mm equivalent, F2.9-5, and xD Picture Card setup instead of the brand name alone. Alternate or regional names to search include C-310 Zoom.
What owners like
People still look for Olympus D-540 Zoom (C-310 Zoom) because it gives a real-camera flash workflow, brand-specific color and menus, and a tactile body that feels different from a phone. The useful part is the exact mix of 38-114 mm equivalent, F2.9-5, xD Picture Card, and the model's size when the seller proves the actual unit works.
Common complaints
Common complaints are SmartMedia or xD card friction, old transfer workflows, dim LCDs, proprietary cables or chargers, slow operation, and sellers not proving that photos can be written and exported. For Olympus D-540 Zoom (C-310 Zoom), the practical risk is the 2004-era condition: Olympus model-specific rechargeable battery means the charger, spare battery cost, and whether the pack still holds charge matter; xD Picture Card can be the hidden cost because cards and readers are less convenient than standard SD; and 38-114 mm equivalent, F2.9-5 should move cleanly and focus without clicking, grinding, or repeated restart messages.
What to compare
Use Olympus C-60 Zoom, Olympus C-8080 Wide Zoom, Konica Minolta DiMAGE E40, and Fujifilm FinePix 4800 as the real comparison set for Olympus D-540 Zoom (C-310 Zoom). Compare card availability, battery sourcing, screen age, and whether a newer complete kit is easier to live with; the best buy is usually the listing with clearer working proof and easier accessories, not the one with the most familiar name.
Built from this model's specs plus source-backed official / review / model list owner patterns.