Customer Reviews 
canon pg-50 cartridge black
2009-06-26came very fast, good price and sadly (because much more expensive!) so much better than non canon brand!
Will only ever buy canon ink
2009-06-22I've tried countless alternative brands of inks for my printer, and I ended up back to the original factory product. Target seems to have these at the best prices. Quality ink at a decent price, and never a problem with the computer chip they put in the cartridge, which is often the trouble with the other brands of ink.
Great Deal
2009-05-27Large cartridge at a great deal. Was priced lower than office max and walmart. Will return.
shows low ink
2009-05-22Purchase was easy and delivery was timely. I bought high capacity thinking it would last longer. Within two weeks or normal or less than normal printing, black cartridge showed low ink warning. Would send it back but don't want to incur shipping charges. Will buy locally next time.
newby ink cartridge buyer
2009-04-19After searching many ink cartridge web sites,I purchased from a less expensive site than amazon.BIG MISTAKE...I went back to amazon & new cartridges are working like the ones that came with the printer when I bought it new. Amazon price was lower than other sites for name brand.I buy other things at Amazon...always happy
Electronics Articles
Camera basics: shutter-speed, aperture and ISO
In this article, I’ll introduce you to the basic elements that you can use to control exposure in your shooting. If you have a digital SLR, there will be a way to set all of these controls on your camera, but since they differ between manufacturers and models, you’ll need to refer to your camera’s manual to find out exactly how to change them.
All cameras, whether an ancient film camera, or a more modern digital, work in pretty much the same way. Photographs are taken by letting light fall onto a light-sensitive medium, which records the image. Traditionally, this has been film, but more recently, it tends to be a digital sensor. The more light that falls onto the film or sensor, the lighter the image.
Put simply, a camera consists of a light-tight box that stores a light-sensitive device (either a film or a digital sensor), a lens that magnifies and focuses the image onto that light-sensitive device through a hole in the box (called the aperture) , and a shutter that opens ...
The types of camcorders
If you are planning on purchasing a camcorder, you should be familiar with
the types of camcorders and how they can benefit your specific needs. The
formats of video cameras include, VHS, VHS-C,
8mm, Hi8, Mini Digital Video (Mini DV), DVD and Digital 8. Each format has
its pros and cons
VHS
The VHS format is the oldest type of camcorder. This type of video camcorder
is fast becoming outdated, because you can only play back
the video on a VHS VCR system. VHS
camcorders are not nearly as clear as digital
video camcorders that offer clear video with 540 lines of resolution,
VHS video cameras only offer 240 lines of resolution. They also weigh more
and are much more bulky, that dv camcorders. You can only find these video
camera used because their technology is now outdated.
VHS-C
The VHS-C format offer 240 lines of resolution, just like VHS. These analog
camcorders come in a smaller size that the VHS camcorder models, but use
the same technology. The video tapes u ...
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