Free images – Helical coil of copper
How to: Bending a copper coil / DIY Heat Exchangers / Helical Copper Coil – Public Domain photos
The main picture was taken with a Canon brand camera, model Canon EOS 500D on Friday 30th March 2012 by the Emilian Robert Vicol photographer.
As basic settings, an exposure time of 1/10 (0.1s) was used with aperture f/4.0 and the ISO Speed of the camera was 1000. Actual focal length of the lens was 23/1 (23mm) with 18-270mm lens model (range).
The actual file size is 2.04 MBytes, resolution is 4161px on the horizontal and 2724px on the vertically and the original (or modified) file name is Helical-Copper-Coil_DIY-Heat-Exchangers__IMG_2249_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 262144/65536, status of flash equal with 16, shutter speed 221184/65536 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.