HP R830/R840 manual Specifications

B Specifications

Resolution	Pictures, R840 series
	•	8.15MP	(3298 by 2472) effective pixel count
	•	8.29MP	(3336 by 2484) total pixel count

Pictures, R830 series:

	• 7.24MP (3112 by 2328) effective pixel count
	• 7.4MP (3164 by 2342) total pixel count
	Video clips:
	•	VGA
		• 640 by 480 total pixel count
		•	Best—24 frames/sec
		•	Better—12 frames/sec
	•	QVGA
		• 320 by 240 total pixel count
		•	Good—24 frames/sec
Sensor	•	R840 series: Diagonal 7.183 mm (1/2.5 in, 4:3 format) CCD
	• R830 series: Diagonal 7.208 mm (1/2.5 in, 4:3 format) CCD
Color depth	36 bit (12 bits by 3 colors). 36 bit images are transformed into an
	optimized 24 bit image and stored in the JPEG format. This
	transformation results in no discernible change to color or detail in the
	stored image, and allows the image to be read by computers.
Lens	Focal length:
	•	Wide—6.5 mm
	•	Telephoto—19.5 mm
	• 35 mm equivalent—39 mm to 118 mm
	F-number:
	•	Wide—f/3.5 to f/7.4
	•	Telephoto—f/4.2 to f/8.8
Viewfinder	None
Zoom	•	3x optical zoom with 10 positions between wide and telephoto
	•	8x digital zoom
Focus	Focus settings: Auto (Default), Close-up
	Auto (Default):
	• Wide—500 mm (19.7 in) to infinity
	• Telephoto—600 mm (23.62 in) to infinity
	Close-up—Wide, 100 mm to 1 m (3.94 in to 39.4 in)
Shutter speed	1/2000 to 10 seconds
Built-in flash	Yes, 6-second typical recharge time (9-second maximum recharge time
	at power-on)
Flash working range To locate the flash working range for this camera, go to www.hp.com/
	support, select your language and region, enter your camera model
	number in the Search: Product field, click Product Information, then
	click Specifications.

52 Specifications