CMOS Benefits and Disadvantages
The main benefits touted for CMOS image sensors are greater speed, decreased power consumption, and no blooming.The disadvantages that must be compensated for are lower light sensitivity and additional noise. So how do these benefits and disadvantages work Basically from the way CMOS image sensors are wired to process information. To illustrate, we'll start with a rough description of how CCD processing works CCD Processing In a CCD, the information from each pixel is bundled with the...
Your Next Digital Camera Night Sky Photos As Litmus Test
Gazing on the infinite beauty of the night sky has inspired poets and artists since the beginning of time and photographers since the invention of the camera. In the film world the techniques and considerations of night photography, while demanding, are pretty well known. But in the still-emerging field of digital photography, what you need in a digital camera to get pristine night sky photos is not as straightforward. Read on to shed some light on the subject and find out how the requirements...
Megapixels Film and the Human Eye
Usually, with 2mp cameras and up, the human eye doesn't notice individual pixels as long as the maximum print size for that level of resolution is not exceeded.The higher the resolution of the digital camera, the smaller and more difficult to notice are the steps between each monotone pixel. However, the cutoff point for pixels not being obviously noticeable to the naked eye seems to be about 300ppi pixels per inch , while 600ppi seems to be the cutoff for a practiced, expert eye - profesional...
Print Savings
When you go digital you can pick and choose the photos you'd like to print. So, while digital prints can be more expensive than traditional prints, you don't pay for prints you don't want. A good rule of thumb is to delete only those photos that have clearly not worked out. Why First off,even the biggest camera LCD screens are small compared to a computer screen, so it can be hard to distinguish important details in photos that are not obviously flawed. Also, the light levels on your LCD screen...
ClicktoClick Processing
Another important speed factor is the time it takes your camera to be ready to take another shot.This will vary depending on the photo quality settings you choose, whether you use a flash, and whether that flash is built in or not. Why the difference in processing speeds There are two main reasons. First, the higher the photo quality, the larger the image file that must be processed by the camera. In entry-level to mid-range cameras, it is rare to have a processor capable of reading and writing...