Free images – Wood and Coal fire in boiler, view through the slit
Public Domain photos – High Speed Fire Burning / Central Heating
The main picture was taken with a Canon brand camera, model Canon EOS 500D on Sunday 27th January 2013 by the Emilian Robert Vicol photographer.
As basic settings, an exposure time of 1/125 (8ms ) was used with aperture f/5.0 and the ISO Speed of the camera was 800. Actual focal length of the lens was 77/1 (77mm) with 18-270mm lens model (range).
The actual file size is 1.11 MBytes, resolution is 2347px on the horizontal and 1473px on the vertically and the original (or modified) file name is Fire-Burning-in-Boiler_Central-Heating__IMG_6128_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 303104/65536, status of flash equal with 16, shutter speed 458752/65536 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.