To get really high quality andbeautiful from an artistic point of view, it's not enough to get an expensive SLR camera. Ask any photographer-pros, and he will confirm that it took him months to learn all the intricacies of handling equipment. To highlight in one article all the nuances of using a camera is unreal. For start it will be enough to understand with two terms - aperture and shutter speed.
What is a diaphragm? How to use it?
Changing the value of F by one position, we change the amount of light penetrating the matrix by 2 times and change the value of the indicator by 1.4. The standard values of F are between 1.0 and 32.
Lenses with significant light can beuse for photographing moving objects, people and animals, and also - to create beautiful and spectacular pictures in dimly lit rooms and in the dark period of the day. In various camera models, the size of the aperture opening is adjusted via the device menu, or by using the rings on the camera body and the lens itself.
In addition to all of the above, it is correctadjusted aperture and shutter speed make it possible to obtain the desired depth of field (GRIP). The DFG shows how clearly the area around the focus object looks. At f / 1.8, the space around will be more blurred than, for example, at f / 22.
What is an excerpt and how to properly configure it?
Diaphragm and exposure form the so-calledexposure, as it is due to them that the exposure of the image is determined. By itself, exposure means a period of time during which the light rays penetrate the prescribed diameter of the diaphragm onto the matrix. The shutter speed is calculated in seconds and fractions of a second - 1/30, 1/125, 2 "5 (2.5 seconds), 10" (10 seconds), etc.
There are such concepts as short exposure andlong. Short exposure is ideal in terms of shooting moving objects. There is also a "golden rule" for choosing the optimal shutter speed - it should be directly proportional to the focal length. If the distance is, say, 80 mm, do not set the shutter speed longer than 1/80 of a second. Longer exposures will cause noise and image defects as a result of camera movements.
Long exposure in photography is most oftenUsed for shooting landscapes (including night scenes). True, in the second case it is better to use a tripod and a high-aperture lens. To further reduce vibration, you can use the remote control instead of the usual button on the camera body.
Diaphragm and exposure is the basis of any composition. Correctly having built them, even with the simple camera it is possible to do the present masterpieces.