Olympus C-21 uses 4x AA batteries (NiMH rechargeable recommended). 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 C-21 take?
Olympus C-21 uses SmartMedia. The current buyer-facing maximum is Up to 128MB (SmartMedia); 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 C-21 worth buying used?
It can be worth buying if you want a 2 MP effective Olympus compact from 1999 with 1/2-inch CCD. 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 C-2040 Zoom and Olympus C-2100 UZ.
How do you transfer photos from the Olympus C-21?
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 C-21 is worth judging as its own Olympus CAMEDIA 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 C-21 works best when you want simple snapshots, direct flash, and the relaxed character people look for in older digital compacts rather than a technically perfect modern camera; its 1/2-inch (6.4 x 4.8 mm) CCD and 38 mm equivalent, F2.4-8 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 C-300 Zoom, Olympus C-4000 Zoom, Olympus D-400 Zoom (C900Z), Olympus E-10 to decide whether you want this exact body, a cheaper nearby compact, or a slightly more capable alternative.