Many animals have body symmetry with distinct front and back ends. This type of symmetry is bilateral symmetry. Animals with bilateral symmetry have one line that divides them into two mirror images.
Here, the DX-sized image sensor is exposed. Comparison of image sensor sizes, including Nikon DX. The Nikon DX format is an alternative name used by Nikon corporation for APS-C image sensor format being approximately 24x16 mm. Its dimensions are about 2â3 (29 mm vs 43 mm diagonal, approx.) those of the 35mm format. The format was created by Nikon for its digital SLR cameras, many of which are equipped with DX-sized sensors. DX format is very similar in size to sensors from Pentax, Sony and other camera manufacturers.
The following is a list of approved memory cards for the Nikon D3100 Digital Single Lens Reflex camera. These cards have been tested and approved for use with the D3100. The D3100 uses listed SD, SDHC, and SDXC memory cards. Memory cards with an SD Speed Class rating of 6 or faster are recommended for recording movies.Movie recording may stop unexpectedly when memory cards with lower Speed Class rating are used.he D3100 uses listed SD, SDHC, and SDXC memory cards. Memory cards with an SD Speed Class rating of 6 or faster are recommended for recording movies.