A similar lens is available for digital cameras with a so-called "cropped sensor". To achieve the same circular effect, it's a 4.5mm lens. 2. Lenses that produce a rectangular image.
Related Photography Ideas for full frame sensor vs cropped sensor at OneSlidePhotography.com
Tips in Choosing Photographic Equipment ...
Cropped sensor dLSR cameras:
Nikon D5000 - annouced on April 14th, 12megapixel, hi-def video, same sensor as the D90. It lacks an auto-focus motor. Too bad is doesn't autofocus with 3 of my 4 favorite lenses, just like the D60 and D40.
1.6X Cropped Sensor
Note: For a 1.5X sensor, the far corner is at 14.2 mm, and the far edge is at 11.9 mm.
See the tutorial on digital camera sensor sizes for more on how these affect image quality.
Cropped sensors
What about cropped sensor? On Nikon, do we use the 1.5x crop factor for the shutter speed or we can still use the focal length of the lens?
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DC - For cropped sensor digital cameras including APS-C and Four Thirds. The image circle on these lenses match the smaller size of image sensor on small-frame sensor cameras (DX-format on Nikon, EF-S on Canon).
5 cropped sensor on a D2X or a D200, can actually cover most things on most reefs with only two lenses, a 12-24mm zoom and a 60mm Micro-Nikkor. Discretionary lenses would add something even wider, like the 10.
two cameras both with 100mm lens on, mine full frame yours cropped sensor, we take a picture of a flower field, my picture shows one blue flower in the middle surrounded by yellow flowers, ...
8 on a cropped sensor camera are popular, cheap, sharp, and great for portraits. Normal lenses (50mm equivalent on a 35mm film camera) are useful in a wide range of situations.
I use a 50mm macro lens on my cropped sensor Canon EOS 30D so it’s equivalent to a focal length of 80mm, but you could use a longer telephoto with a teleconverter or perhaps fitted with extension tubes or a close-up lens.
However, if you use a digital camera with a cropped sensor (basically any EOS digital camera except for a few top models) then the 50mm might be a less useful choice, since it essentially behaves like a longer telephoto on such models, ...
As an amateur, I was playing with a Cokin P-series on a 77mm Nikon 12-24mm DX lens (cropped sensor). I love the natural feel of modifying the light rather than computer.except I made one crucial mistake.
cameras at some disadvantage when it comes to using wide angle lenses to achieve a 50mm equivalent normal FOV or super wide angles to achieve a wide angle FOV. However, this problem is mitigated to some degree by the fact that the cropped sensors use ...
 See also: Camera, Sensor, Photograph, Frame, Lens
  
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