White Pearls from Lobsters, Reserve of Calcium

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Public Domin Photos – Pearls from arthropods / lobsters Calcium pearls


Free images – Limestone granules from lobsters / Nephropidae, Arthropoda , Crustacea – Gastrolite (a reserve of calcium that provides material for new crust after moulting)

The main picture was taken with a Canon brand camera, model Canon EOS 500D on Saturday 1st December 2012 by the Emilian Robert Vicol photographer.

As basic settings, an exposure time of 1/640 (1.563ms ) was used with aperture f/16.0 and the ISO Speed of the camera was 200. Actual focal length of the lens was 55/1 (55mm) with EF-S18-55mm f/3.5-5.6 IS lens model (range).

The actual file size is 960 KByte, resolution is 1773px on the horizontal and 1141px on the vertically and the original (or modified) file name is Pearls-from-Lobsters_Reserve-of-Calcium__IMG_2962_cr.jpg (media type is image/jpeg).

The photo original orientation was unknown with an X Resolution DPI equal to 72/1 and Y-Resolution DPI equal to 72/1.
Other camera settings (and APEX value) were the lens aperture 524288/65536, status of flash equal with 16, shutter speed 614400/65536 and brightness value unknown.

Note: It looks like the current size of the image was changed, the original version had the 4752 x 3168 resolution but the original orientation of the photo remained the same.

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