DSLR Sensor Economics
We all know full frame DSLR cameras cost more than the DSLR cameras with DX or APS-C sized sensors but why? Part of the cost difference is due to the higher cost of making larger sensors. The article...
View ArticleDxO Lab Launches DxOMark Image Quality Database
If you are concerned with digital camera image quality, the newly announced DXOMark website is a must-visit place. They analyze RAW sensor data instead of RGB images generated from a RAW converter to...
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Experience the Deep Zoom
I talked about Microsoft’s first iPhone app Seadragon Mobile yesterday. I have been intrigued by the technology behind it. So I decided to test it out. I don’t have an iPhone yet but the technology...
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Focal Length of Wide Angle Lenses
Have you ever wondered why wide angle lenses such as Sigma 10-20mm f/4-5.6 EX DC HSM doesn’t have the problem with its rear element getting too close to the image sensor of your DSLR camera? Well, this...
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Canon Publishes EOS-1D Mark IV White Paper
Canon has published a white paper of its recently announced new professional flagship DSLR EOS-1D Mark IV (Check price). The white paper contains detailed descriptions of the camera design and features...
View ArticleDigital Cameras – Endangered Tech Species?
It seems impossible to find a cell phone that doesn’t take photos these days. The built-in cameras in the cell phones are getting better and better. The resolution has evolved from VGA (640×480)...
View ArticleHow an Image is Captured Inside a Camera
The following is a video showing how an image is captured in a digital camera and how fast memory cards and card readers can help to speed up the process. The video is posted by Lexar Media, Inc., a...
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