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what is interpolated ?? |
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#1 |
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Forum Member
Join Date: Jul 2003
Posts: 3,829
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what is interpolated ??
hey everyone i just saw a camera on bid-up.tv and it said it was upto 6.6 mega pixel interpolated, i went to the yamada website and this it what it says. Quote:
Yamada AstraPix 650: maximum 6.6 megapixel resolution (in November) The AstraPix 650 with 3.3 megapixel CMOS sensor can be interpolated to 6.6 megapixel. The camera features a 2976 x 2240 (interpolated) maximum resolution, 1.5?? LCD, flash with red-eye-reduction, TV output, SD / MMC card slot and USB interface. It is compatible to Win 98 / 98Se / Me / 2000 and XP, recognized as mass storage. The AstraPix 650 is very small (93 x 56 x 38 mm) and is a light-weight with only 100g. Furthermore it offers an extensive software bundle: Arcsoft PhotoImpression, PhotoBase, VideoImpression und Fun House.
what does it mean by its 3.3 but can be 6.6 ??
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#2 |
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Forum Member
Join Date: Sep 2003
Location: England; receiving sat through an Amstrad SRD510 from ASTRA 19.2E
Posts: 1,986
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The camera is only a 3.3 megapixel camera in truth. This is how many pixels the sensor (CMOS in this instance) can capture. The interpolated resolution is where the camera guesses the extra pixels. Therefore, the quality and accuracy of colours will not be as good as a true 6.6 megapixel camera.
Also, CMOS (Complimentary Metal Oxide Semiconductor) sensors are generally inferior to CCD (Charge Coupled Device) sensors. Sensors are the part of the camera that detects how much light there is, therefore producing the photo. CMOS sensors are very similar to the technology used in standard computer RAM, however CMOS sensors have a part of the pixel that is less light sensitive than the rest of the pixel. CMOS pixels are often made on the same production lines as RAM, making them cheaper to make then CCDs, and they are also less heavy on batteries. CCDs are heavier on batteries, cost more to make, but produce better results due to all parts of the pixels being light sensitive. Please note the information above is entirely from memory, so I may be slightly wrong in some places! Hope this helps Gdb
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#3 |
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Forum Member
Join Date: Jul 2003
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Thank you very much for that
also thanks for the fast reply.
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#4 |
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Forum Member
Join Date: Sep 2003
Location: England; receiving sat through an Amstrad SRD510 from ASTRA 19.2E
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No problem - glad to help
![]() Gdb
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#5 |
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Forum Member
Join Date: Sep 2003
Location: England; receiving sat through an Amstrad SRD510 from ASTRA 19.2E
Posts: 1,986
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Oops duplicate post there!
![]() Gdb
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