not yet know much photography websites he camera lenses. This basically says, I have the pipes 2.8/135, that means the lens that has a focal 135 mm, password to open a maximum of 2.8. This tube used for the film have m42 mounts, no use for modern digital computers or digital film has other m42 mounts are. I want to use on the air with other mounts, they must use the mount to turn as the doctor on the said
The focal parameter is basically taken away or closeup, shooting wide or narrow shooting. the 50 mm focal length is focal length normal, < 50 then called wide, > 50 so-called tele 135 telephoto pipe is pipe.
Aperture is related to the parameters for sensor light on more or less. growing aperture for light into many (more photos) and vice versa. the aperture and speed trade come together to determine the brightness allows the sensor. the higher the speed, the less light in. ISO also related to light. the higher the iso the more light-sensitive, and more photos. the same results in terms of light can have several matching sets of Iso, and speed, depending on the purpose of capturing crabs ng AI air and light conditions which have a pharmacy choice
and the focal length is related to dof. dof la region visibility. of larger guns and focus increasing dof as slim. you want to capture only the nose is fade the definition, then you use the tube 85 f 1.2 according to your style of writing is 1.2/85. If want to capture a picture of the landscape mountain mountains to clear everything from the physician to use wide angle pipes + self contained small guns for example using pipes, 18 to 22 guns. (cáchviết 2.8/135 are understood as open password of up to 2.8 uncle, also while taking the range of export items on commercial lens is 2.8-22, I found something a few of 2.8, 3.2, 4, 5.6, .... is it round .22)
and the combination of the ccác parameter is the art of using the machine.
Longer tube focal 135 can take pictures are okay but also captures something:D or used to shoot portraits, in focal 135 and used 2.8 Uncle can remove the fonts make the subject is taken.
