Pentax Optio 450 Main Specifications

Appendix

Main Specifications

Type	Fully automatic compact-type digital still camera with built-in
	zoom lens
Effective Pixels	4.0 megapixels
Sensor	4.13 megapixels (total pixels) 1/1.8 inch interline transfer CCD with a
	primary color filter
Recorded Pixels	Still	2288 ⋅	1712 pixels, 1600 ⋅ 1200 pixels,
		1024 ⋅	768 pixels, 640 ⋅ 480 pixels
	Movie	320 ⋅	240 pixels
Sensitivity	Auto, manual (equivalent to ISO 100, 200, 400)
File Format	Still	JPEG (Exif2.2), DCF, DPOF, PRINT Image Matching II
	Movie Mov (Quick Time Motion), 15fps
Quality Level	“Good”, “Better”, “Best”
Storage Medium	SD Memory Card, MultiMediaCard

Image Storage Capacity

	Quality levels		Best		Better		Good		Movie images		Voice
	Recorded pixels		()		()		()			(320 ⋅ 240)	recording
	2288 ⋅	1712	Approx. 5		Approx. 10		Approx. 15
	1600 ⋅	1200	Approx. 11		Approx. 20		Approx. 27		Approx. 40		Approx. 30
	1024 ⋅	768	Approx. 25		Approx. 45		Approx. 56
	640 ⋅	480	Approx. 53		Approx. 82		Approx. 100
	Exposure capacity when using a 16MB SD Memory Card
White Balance		Auto, Daylight, Shade, Tungsten Light, Fluorescent Light (W),
		Fluorescent Light (N), Fluorescent Light (D), Manual
Lens		Focal Length			7.8 mm – 39 mm (Equivalent to 37.5 mm –
					187.5 mm in 35 mm format)
		Aperture			f/2.8 – f/4.6
		Lens Composition			9 elements in 7 groups (two aspherical elements)
		Zoom type			Electrically driven
		Picture Range			33.7 mm ⋅	24.7 mm (screen is filled) (using super
					macro mode or manual focus at max, WIDE position)
		Lens Barrier			Electrically driven
Digital Zoom		Capture mode			⋅			⋅		optical zoom to
					Max. 4	(Combines with 5
						give zoom magnification equivalent to 20⋅ )
Viewfinder		Type		Real-image zoom viewfinder
				(Diopter adjustment in the range of –3 to +1m–1)
		Magnification		Wide 0.37⋅ , Tele 1.66⋅
LCD Monitor		1.5 inch low-sound polysilicon TFT color LCD with 113 Kilopixels
		monitor (with backlight)

148