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2. Mirror image - Wikipedia

   en.wikipedia.org/wiki/Mirror_image

   A mirror image (in a plane mirror) is a reflected duplication of an object that appears almost identical, but is reversed in the direction perpendicular to the mirror surface. As an optical effect , it results from specular reflection off from surfaces of lustrous materials, especially a mirror or water .

3. Comparison of image viewers - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_image_viewers

   Resize, crop, rotate, flip, JPEG lossless rotate/mirror, face recognition ... anti-vignetting, web picture gallery, DNG/RAW image converter, TWAIN scanners ...

4. Numerical aperture - Wikipedia

   en.wikipedia.org/wiki/Numerical_aperture

   Instead, the angular aperture of a lens (or an imaging mirror) is expressed by the f-number, written f /N, where N is the f-number given by the ratio of the focal length f to the diameter of the entrance pupil D: =. This ratio is related to the image-space numerical aperture when the lens is focused at infinity. [3]

5. Virtual image - Wikipedia

   en.wikipedia.org/wiki/Virtual_image

   The image in a plane mirror is not magnified (that is, the image is the same size as the object) and appears to be as far behind the mirror as the object is in front of the mirror. A diverging lens (one that is thicker at the edges than the middle) or a concave mirror forms a virtual image. Such an image is reduced in size when compared to the ...

6. Image conversion - Wikipedia

   en.wikipedia.org/wiki/Image_conversion

   Many image formats are native to one specific graphics application and are not offered as an export option in other software, due to proprietary considerations. An example of this is Adobe Photoshop 's native PSD-format (Prevention of Significant Deterioration), which cannot be opened in less sophisticated programs for image viewing or editing ...

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!