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Knowing what you are going to do with your images when they leave the camera will determine what sizes and format you will use.
If you are using the images for web and emails you can use the smaller jpeg settings so you don’t have to convert in the computer later on as we did last class
For printing and the best quality choose the largest image size highest in megapixels
Raw format is preferred by many as it holds more data in the file that is not lost by jpeg conversion
Smaller format file types allow for more images to be stored on the memory card. Raw images are large and you can only hold about 400 raw images on a 4GB card where as you can hold 800 jpegs in fine mode etc.
1) Jpegs don’t support layers 2) Jpegs are called “lossy” image. Information is lost when it is converted to jpeg in the camera and quality is lost when opening and closing files. 3) Jpegs only support 8 bit images!! (today’s camera sensors can capture 12 and 14 bits of color data and most raw editing software supports 16 bit raw images.) 1) Jpegs compress the images and the file is smaller then most. Thus you can fit more photos in your cameras memory card and Smaller in size uses less space on computer hard drive 2) File is recognized by most printing services like Costco or Ritz etc. 3) Images can be emailed and uploaded on websites easier then other formats. 4) Need no in computer converting or other programs to print etc. Jpeg (industry standard) (images are processed in the camera) Cons Pros File type
1) Large size 2) Can’t display on web 1) Lossless format 2) No loss of data, won’t degrade with opening and saving images 3) Free exchange between applications and computer platforms. 4) High quality images often used for print applications such as making brochures etc. 5) Supports layers 6) Suitable for many types of compression methods. Tiff Cons Pros File type
1) Large size 2) Only supported by certain computer programs. 3) Can’t email upload to web etc. 1) Lossless format 2) Supports layers PSD Cons Pros File type
Strips out meta data information from the original raw such as active d lighting information etc.
Another added step to convert from raw to dng.
Only works with certain programs. (Won’t work with Nikon Capture NX
Takes more processing time and power than working with Raw images.
1) Like raw but smaller 2) (information is not stored in separate XMP file but stored in the original file) DNG (relatively new format) adobe proprietary raw Cons Pros File type
1) Have to process them in the computer. 2) Size is large and take up more space on memory cards and computer hard drive 3) Have to be converted to another program such as jpegs for printing, uploading to web and emailing. 1) Can recover information in highlights and shadows in post processing 2) Can adjust white balance in post processing 3) Greater color depth containing 12,14 bit depth in camera and later converted to 16 bits in raw editing computer software. Raw Based on camera manufactures standards Cons Pros File type