Both of these lenses are prime lenses, even though they are vastly different focal lengths.

The QLSWW swing clamps, with steel electroless nickel plate bodies and lever arms with black plastic covers on the lever, offer ease of operation both in clockwise and counterclockwise motions, while ...

If true, insets by exactly its full depth. Default: false tex_rot Rotate texture by specified angle, which must be a multiple of 90 degrees. Default: 0 tex_depth Specify texture depth; if negative, ...

Click above to understand f-stops. The relationship between focal length and angle of view is one of the most fundamental things anyone starting out in photography needs to get their head around. Find ...

The modules in this file allows you to attach one object to another by making one object the child of another object. You can place the child object in relation to its parent object and control the ...