The small and mighty Pentax Optio S5i : r/VintageDigitalCameras
Amazon.com: Customer reviews: Pentax Optio S5i 5MP Digital Camera with 3x Optical Zoom
Pentax Optio S5i Digital Camera W/ Charger Strap Case and - Etsy
Pentax Optio S5i sample photos page 1
Pentax Optio S5i Digital Camera 5.0 Megapixels 3x Optical Zoom + Case (1365) | eBay
Amazon.com : Replacement for Pentax Optio S5i Battery and Charger - Compatible with Pentax D-LI8 Digital Camera Batteries and Chargers (750mAh 3.7V Lithium-Ion) : Electronics