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EPSON Sales Training 5/01
EPSON and EPSON Stylus are registered trademarks and Print Image Matching is a
trademark of Seiko Epson Corporation. PhotoPC is a registered trademark of Epson
America, Inc. Other trademarks are the property of their respective owners.
Megapixel CCD sensors
HyPict™ Image Enhancement Technology
Multiple resolution modes
EPSON ClearOptics Glass Lens
Contents
This technical brief provides detailed information on the following topics, related to all EPSON digital cameras:
Image quality
Image storage
Color LCD monitor
Ease of Use
Full automatic to manual controls
File uploads and video output
Voice recording
Picture modes
PRINT Image Matching™ technology
Versatility
Image Quality—Megapixel CCD sensors
EPSON digital cameras include a one megapixel, two megapixel, or three megapixel CCD sensor, which
determines the resolution of the images. Each megapixel contains one million pixels.
A CCD is made up of an array of photosensors (CCD elements or
photosites) that are able to record a unique image detail. Each
photosensor (or CCD element) creates an electrical charge
proportional to the amount of light it receives and sends the charge to
an A/D (Analog to Digital) converter inside the camera.
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One, two, and three megapixel cameras produce excellent 4 x 6-inch and 5x7-inch prints. The key
difference lies in the quality of the image enlargements.
The key differences between a one megapixel, two megapixel, and three megapixel CCD sensor are:
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Because a higher resolution image contains more detail, you can:
Enlarge an image without losing a significant amount of detail.
Print an image to a high resolution output device (such as an
EPSON Stylus ink jet printer or a printing press)—many
industry analysts believe that the quality of images captured
with two megapixel digital cameras is good enough to replace
traditional film-based cameras.
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Higher resolution produces greater detail
1152 x 864 pixels (1.09
million pixels CCD)
1280 x 960 pixels (1.25
million pixels CCD)
One Megapixel CCDKey Differences
Image resolution
Up to 5 x 7 inch
enlargements
Ideal use for images
with low compression
Two Megapixel CCD
Up to 8 x 10 inch
enlargements
Three Megapixel CCD
Up to 11 x 14 inch
enlargements
1600 x 1200 pixels 2048 x 1536 pixels