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2. Video magnifier - Wikipedia

   en.wikipedia.org/wiki/Video_magnifier

   Thus, while a "full page magnifier" based on a fresnel lens can span some 625 cm 2 (96.9 sq in) , it typically achieves no more than 1.4x magnification (advertised as "2x" if measured by area instead of the scale factor); an aspheric segment hand magnifier can achieve a scale factor in excess of two (area factor in excess of four) but typically ...

3. 'Makes a HUGE difference': If you struggle to see small print ...

   www.aol.com/lifestyle/magnipros-book-magnifier...

   Conquer even the smallest type with this handy gadget — complete with a light that allows you to read in bed without irking your spouse.

4. Loupe - Wikipedia

   en.wikipedia.org/wiki/Loupe

   A typical magnification for use in dentistry is 2.5×, but dental loupes can be anywhere in the range from 2× to 8×. [15] Optimal magnification is a function of the type of work the doctor does - namely, how much detail he or she needs to see, taking into consideration that when magnification increases, the field of view decreases.

5. Screen magnifier - Wikipedia

   en.wikipedia.org/wiki/Screen_magnifier

   As the user moves the pointer or cursor the screen magnifier should track with it and show the new enlarged portion. If this tracking is jerky or flickers it is likely to disturb the user. Also, the pointer or cursor may not be the content of interest: for example, if the user presses a keyboard shortcuts that opens a menu, the magnified ...

6. Document camera - Wikipedia

   en.wikipedia.org/wiki/Document_camera

   A progressive scan camera captures all scan lines at the same time, whereas an interlaced camera uses alternating sets of lines. Image sensors provide only monochrome images. With a 1-chip camera, color information can be obtained through the use of color filters over each pixel. With 1-chip cameras, the Bayer filter is very commonly used. Red ...

7. Dome magnifier - Wikipedia

   en.wikipedia.org/wiki/Dome_magnifier

   A dome magnifier is a dome-shaped magnifying device made of glass or acrylic plastic, used to enlarge words on a page or computer screen. They are plano-convex lenses: the flat (planar) surface is placed on the object to be magnified, and the convex (dome) surface provides the enlargement. They usually provide between 1.8× and 6× ...

8. DJI Mavic 3 Pro: The new 3X camera makes it far more useful - AOL

   www.aol.com/finance/dji-mavic-3-pro-3x-145856547...

   DJI’s Mavic 3 Pro is much like the popular Mavic 3, but adds a highly useful portrait camera on top of the primary 24mm Hasselblad camera and 7X zoom. This extra reach adds a lot more excitement ...

9. Magnification - Wikipedia

   en.wikipedia.org/wiki/Magnification

   In practice it is considered to be 2× the aperture in millimetres or 50× the aperture in inches; so, a 60 mm diameter telescope has a maximum usable magnification of 120×. [ citation needed ] With an optical microscope having a high numerical aperture and using oil immersion , the best possible resolution is 200 nm corresponding to a ...