Pentax Optio S4 Digital Camera "pixels per inch 300 dpi" Questions

Pixels per inch. Which are different things. DOTs per inch is a printing term. In offset printing, there are no shades of grey so you use a half-tone screen which produces dots of different sizes. The

...per inch - it's a measure of how closely or not the pixels are packed together in the displayed image. In theory the closer together (higher dpi) the better. People have in their head that 300 dpi is ...

per inch) - this you have to do with software, like Adobe Photoshop CS2. For you to change the resolution of your picture to print with that size without losing any quality, you have to have a picture

per inch) is an output parameter and has absolutely no meaning to the camera. It has meaning only when you output the photo to a printer or screen. Let's say you took a photo that's 3000 pixels on the

...image at 180 DPI, the printed size will be 2048 pixels / 180 pixels per inch = 11.4 by 1536 / 180 = 8.5 inches. If you print it at another size, the number of pixels will ofcourse also be

per inch. A dot is a pixel. Find the number of pixels in the image dimensions on the computer. Divide each number by 300. That will tell you the maximum size you can print the picture for 300 DPI. For

...pixels per inch. DPI and PPI are two different things, yet often DPI is used when PPI is meant, so read its usage in context. Dpi (actually ppi) is only important in case of printing. When you open a ...

...dpi is that possible? the camera has 4.1 Mpixels so that means each picture can have up to 4 million pixels (picture Cells) a 300 dpi (dots per inch) is very very well within it's capabilities and ...

...per inch) is an output parameter and is completely irrelevant to the camera. Imagine taking a picture that's 2000 pixels by 3000 pixels. When you make a 4x6 print, you're printing at 500 dpi. If you ...

pixels per sq. inch. Taking the square root gives you a maximium resolution of 104 pixels per inch (or 'dpi') Photoshop will allow you to increase the resolution by a process known as 'interpolation'