automatic exposure

Programmed automatic exposure

Programmed automatic exposure is electronic technology and artificial intelligence combination,Mobile Application using this form of exposure, camera can not only depending on the lighting conditions to calculate the appropriate amount of exposure, can automatically select the appropriate combinations of exposure.

Hyperfocal distance

Because the lens after the depth of field is relatively large, people call to focus future clearly imaging distance hyperfocal distance. Hyperfocal distance within the scene is not really clear imaging, because not in focus, certainly is fuzzy, fuzzy degree is generally people can accept it, this is a fool camera negatives cannot enlarge too big reason.

The LCD viewfinder

LCD liquid crystal display viewfinder, LCD display. There are black and white and color, color and true and false color of cheap, pseudo color, but the effect is poor. Digital camera for viewing and playback of LCD is almost always the best TFT true color. TFT LCD and the reflection and transmission of two, reflective reflective positive ambient light from different angles, different, displaying darker, but energy saving, low cost; transmission type back light, angle changes of small, bright display, but extremely electric charges.

OLED

In order to form OLED structure, can be a simple analogy: each OLED unit like a hamburger, luminescent material is caught in the middle of vegetables. Each of the OLED display unit can be controlled to produce three different colors of light. OLED and LCD, also has active and passive branch. Passive mode from the ranks of the address selected unit is lit. Active mode, the OLED unit has a thin film transistor ( TFT ), light emitting unit in the TFT drive light. Active type OLED power, but passive OLED showed better performance.

TTL SLR type viewfinder

This is an essential professional camera viewfinder, which is really no error of the optical viewfinder modes. The viewfinder framing range up to reality pats the picture 95%. The only drawback is that if the lens is too small, the effect will be very dark, manual focus.Digital Marketing Fortunately, now have AF, this shortcoming was uneventfully. Of course, with the TTL SLR viewfinder for not too dark, manufacturers can use large-diameter advanced lens, so is generally semi-professional camera is equipped with such a lens. Olympus ( Olympus ) cameras often use the viewfinder.