Up to 2GB (CompactFlash Type I; early body, smaller cards recommended)
Battery
AA (4) batteries (NiMH recommended)
Size
105 x 67 x 48 mm
Weight
240 g with batteries
Pentax EI-100 FAQ
What battery does the Pentax EI-100 use?
Pentax EI-100 uses AA (4) batteries (NiMH 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 Pentax EI-100 take?
Pentax EI-100 uses internal storage rather than a normal removable memory card. Check the camera page specs before buying a card for this model. See the memory card guide before buying cards for older cameras.
Is the Pentax EI-100 worth buying used?
It can be worth buying if you want a 1 MP Pentax digital camera from 2001 with 1/3.2-inch CCD. Check power, lens movement, screen condition, and storage access before paying. Run the used digital camera checklist before buying. For nearby Pentax options, compare Pentax Efina and Pentax EI-200.
How do you transfer photos from the Pentax EI-100?
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.
Pentax EI-100 is worth judging as its own Pentax digital camera 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
Pentax EI-100 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 1.3 MP CCD and 42 mm equivalent fixed F2.8 lens 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 Pentax EI-200, Pentax EI-2000, Pentax K100D, Pentax Q to decide whether you want this exact body, a cheaper nearby compact, or a slightly more capable alternative.