Q:What should the camera lens be used?

Clean up the process is: first blow out the dust on the surface of the lens, this time to take the lens method is left hand holding the lens, tilt 45 degrees, air blowing and the lens was 45 degrees, blowing again if there is no blow, With two lenses roll into a roll, tearing the ends, folded to form a small brush, brush off the residual dust. And then use the side of the lens cloth dipped in alcohol from the center of the lens to the surrounding quickly wiped the entire lens, must be completed before the action of alcohol evaporation. And then use the dry side and then rub two times, so there is no flower. And finally blow the air twice on the OK. And then put the lens cloth after drying. To avoid dust pollution, if the lens when the gloves better. The lens should not always rub, usually blowing like, no fingerprints do not have to move it

Q:Different brands of SLR camera lens can match each other

Now basically impossible Film era has a transfer ring, of course, there are restrictions, such as focus, AF and the like are limited SONY glasses a lot, first of all is the United States to reach the era of a lot of hands, in fact, now the name of the SONY SLR head of a pile of Kemei for clothes on the pile. The other is SONY partner Zeiss ZA head, of course, the price is not so friendly, the price is basically equivalent to Nikon gold circle and Canon L

Q:SLR camera lens area distinction

8. Clear at night the general need to shoot people flash, shooting still life can be used for a long time exposure. All the cameras have three basic parameters: shutter, aperture and exposure, adjust the parameters of the ultimate goal is to ensure the appropriate exposure, the faster the shutter, open the time is short, less light into the sensor, so the shutter is too fast Easy to lead to underexposure, the aperture has two purposes, mainly to control the same aperture, the larger the caliber (f value is smaller) the same time to enter the sensor more light, but the larger the caliber, the more shallow the background, By controlling the depth of field (relatively small depth of field) to achieve, the higher the exposure, the more sensitive sensors, less light into the normal exposure, but the exposure is too high and easy to noise. Entry-level SLR is generally recommended not to be greater than ISO400. (Canon can go to ISO800) 9. other people answered too much, I will not repeat. Hope it helps you. There is the size of the sensor area is the camera body parameters, and the lens has nothing to do, the larger the sensor area, the unit area of ??the pixels on the more, if the same pixel, the larger the area, then the larger the area of ??a single pixel, The effect is better and more real.

Q:I SLR camera lens focus is not normal

Focus can not be too close to the object being shot. The There are manuals. Recent search for focal distance. The focal lengths are different.

Q:Lengthen the camera lens focal length is zoomed in or out

2, the shorter the focal length of the optical zoom lens smaller, the shorter the focal length of the lens the greater the perspective. the focus is reduced, the subject changes from far to near.

Q:How many mm is the camera's lens length or lens diameter?

The number of mm marked on the camera lens is neither the length of the lens nor the lens diameter, it is the meaning of the lens to the focal point (focal plane) distance.

Q:Minolta film camera telephoto lens and what kind of digital camera match it?

in order to know what the lens is what the mouth, see Camera models it, Minolta can automatically focus on the camera are named AXXX, such as A7000, is the camera with the lens can be used directly on the Sony digital SLR

Q:How to remove the lens from the Canon SLR

The lens against their own, in the lens and the fuselage connection in the upper right corner there is a semi-circular button, one hand hold down the button, and then counterclockwise rotation of the lens, you can unload When installed, is the lens of the red mouth at the mouth, at the fuselage bayonet at the red dot, clockwise rotation to hear - carbazole - after the sound is installed in place

Q:Canon camera lens marked red circle, green circle, white circle, what is the difference?

Yellow (gold circle): ordinary full-frame lens, work is generally not dust is not waterproof, the image is not much worse, the largest aperture is small, zoom head no constant maximum aperture, can not use a lot of aspheric, low dispersion lens is more likely to use fluorite.

Q:Nikon how to change the lens

Nikon SLR camera replacement lens is not trouble, SLR camera replacement lens can be completed in three steps.