Fisheye 2.1mm Lens

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$2.80 - 4.00 / pc
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Shenzhen
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100 Pieces pc
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Product Description:

Feature:

Format

1/3" CCD or CMOS

Focal Length

2.1 mm

Resolution

0.3 Mega

Aperture (F/NO)

2.0

Mount

M12*P0.5

Field of View (Diagonal)

160°

Optical Total Length

25.16 mm

Iris

Fixed

Construction

6G

 

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Q:How to use air blowing, lens pen, cleaning mirror cloth, cleaning mirror paper cleaning SLR camera lens?
nstalled on the UV mirror, the lens is to get a very good protection, basically do not have to clean, these tools, clean UV mirror on the line.
Q:What is the difference between a movie lens and a SLR lens?
5. Film lens production process is more exquisite, but the demand is not large, so expensive, ranging from hundreds of thousands, as many as millions of dollars
Q:SLR camera lens parameters What does it mean
Canon EF is specially configured full frame, but can also be used in APS-C (non-full frame) body But the focal lengths need to be multiplied by the conversion factor 1.6, is the real lens focal lengths 18-55mm (18-135mm) Refers to the zoom lens focal length and maximum
Q:The camera lens focal length and aperture is how to adjust
The aperture range of the 1,18 end is 3.5-22, and this range is adjusted for you. 55 side is 5.6-32 this range of casual adjustment. Usually 1/3-level aperture for a file. 2, yes, you understand right, this lens will be the largest aperture with the focal length of the longer and reduced.
Q:What is the foot ring of the camera lens? What do you use
4, the position of the tripod ring for the camera after the camera and the lens near the center of gravity, so to ensure that the camera's center of gravity is stable, no tripod ring, with the camera's foot hole will be heavy foot, the lens is easy to shake, Will damage the camera tripod hole, so some of the lens in order to shoot the need to reproduce the tripod ring. 5, the actual use of the lens when the camera hanging in the neck can not stand, you can take the tripod ring, like to take the same dumbbell carrying, comfortable.
Q:Camera lens has a lot of fingerprints how to do?
And imaging effects will be greatly reduced Note: Some stains such as fingerprints dry rub is not rub off, really erase the coating will be finished, you must use a special lens water !!!!!!!! There is the lens Can not clean the rub, can not rub the rub, the physical contact with the lens coating are damaged, can also use the lens paper, suede, resin glasses for the glasses cloth once the lens is damaged Can not be remedied, the only way is to change the lens.
Q:About wiping the digital camera lens
Use clean cloth and special lens water to wipe. Clean cloth will not fall dust, to avoid secondary pollution lens, lens water does not contain corrosion components, will not corrode the lens surface coating, and can quickly evaporate.
Q:Plus what lens can protect the digital camera lens?
UV mirror for the seaside, mountain, snow and open areas such as the shooting environment, can reduce the blue caused by the blue tone. At the same time for the digital camera, you can also exclude the interference of UV on the CCD, help to improve the resolution and color reproduction effect.
Q:Why is the camera lens anti-blue?
Lens lens group has a multi-layer coating, the purpose is to reduce the light dazzle. So when looking at the lens, part of the light is filtered out by the coating filter out.
Q:Find the popular SLR camera lens
Such as digital camera: 3.6 times zoom; f = 6.7-24.0mm / F3.1-6.7 What is the meaning of these data? F = 6.7-24.0mm refers to the actual focal length of the lens, that is, wide-angle end (near focal length) focal length 6.7mm, telephoto end (far focal length) focal length 24.0mm. With telephoto end (far focal length) focal length divided by wide-angle end (near focal length) focal length, the number is the lens zoom, that is 3.6 times zoom. In the camera's manual generally shows that the lens is equivalent to the number of 35 mm lens. / Back F3.1-6.7 refers to the lens aperture size, that is, wide-angle end (near focal length) aperture is F3.1, telephoto end (far focal length) aperture is F6.7. The smaller the aperture value, the greater the amount of light through the lens. Ordinary home digital camera, shoot vision to use telephoto end, shoot macro with wide-angle end, and some cameras with macro shooting mode. If it is a SLR camera, it is possible to replace the lens, according to the need to choose telephoto, wide angle, fixed focus, macro and other professional lens shooting. Hope to answer to your help.

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