Up to 32GB (SDHC; older body, 16-32GB cards are the safe choice)
Battery
Pentax D-LI78 / D-LI92
Size
99 x 59 x 23 mm
Weight
133 g with batteries
Pentax Optio M90 FAQ
What battery does the Pentax Optio M90 use?
Pentax Optio M90 uses Pentax D-LI78 / D-LI92. 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 Optio M90 take?
Pentax Optio M90 uses SD/SDHC, Internal. The current buyer-facing maximum is Up to 32GB (SDHC; older body, 16-32GB cards are the safe choice); 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 Pentax Optio M90 worth buying used?
It can be worth buying if you want a 12 MP Pentax digital camera from 2010 with 1/2.3-inch CCD Processor Prime. 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 Optio M85 and Pentax Optio MX4.
How do you transfer photos from the Pentax Optio M90?
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 Optio M90 is worth judging as its own Pentax 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
Pentax Optio M90 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 1/2.3-inch (6.17 x 4.55 mm) CCD and 28-140 mm equivalent, F3.5-5.9 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 Optio H90, Pentax Optio I-10, Pentax Optio L40, Pentax *ist DL2 to decide whether you want this exact body, a cheaper nearby compact, or a slightly more capable alternative.
