Angle of View (diagonal)
84o - 23o20'
18 elements in 13 groups
No. of Diaphragm Blades
8 (Circular Aperture)
Closest Focusing Distance (m)
Maximum Magnification (x)
Filter Diameter (mm)
Length x Diameter (mm)
107 x 83.5mm
Extension Tube EF 12 II
0.60x - 0.12x
Extension Tube EF 25 II
0.61x - 0.27x
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- Q:SLR camera lens bayonet size is the same
- Bayonet uniform are F bayonet, the general Nikon SLR lens can be installed.
But the lens has the manual head (AI-S) and the automatic head (AF, AF-S) of the D and G type.
AI-S manual head in the low-end digital SLR and low-end film machine can not be a good application, because the metering, in the digital SLR only D200, D300, D700, D3, D3X and D2 series can use the manual head Metering, because the bayonet has a ring to receive the aperture size. Other cameras can also according to, that is, can not metering.
There D5000, D60, D40X, D40 fuselage mount no AF coupler, can not use the AF head auto focus. Only use AF-S head.
- Q:Canon camera lens cleaning
- 3. Wipe with a lens pen
Use the lens before the pen must ensure that the surface of the lens to ensure that there is no dust particles, and then gently pull the lens from the middle of the lens clockwise out, after a time to blow off the lens surface off the lens toner, and then observe the effect, And then rub and then blow. Repeated 4-5 times the lens should be bright as new friends. The expert said that any action of the lens is hurt the lens coating. Although the lens pen is a relatively safe tool, but also be careful to use. On the lens to always blow less rub, blowing must be good, if necessary, with a little better to protect the UV lens.
Wipe with a lens pen, it should be noted that the lens pen is also life, when the brushed polished, it must be replaced.
- Q:What is the meaning of the digital camera lens quality?
- Such as the lens of the light transmission rate control distortion ability, and many other factors are the quality of the lens
Like a person's eyes to see things like it is clear to see your eyes really good, the camera is the camera's eyes.
Probably on the meaning of the.
- Q:Camera lens function and how to distinguish
- The lens not only covers the user will be frequently used in the focal lengths, and maintain a 455 grams of lightweight mirror, and the optimized AF auto focus control can bring fast autofocus, is a capture, including, suitable for travel use of the lens
- Q:Hello, my Canon G10 camera lens can not be recovered after the opening, can not focus,
- It may be a bad motor, or the motor management of the electronic circuit is a problem, or what the lens gap stuck. You can gently tap the fuselage, put on the battery to try. It is not, can only repair the.
- Q:Will the SLR camera lens focal length the size
- Such a problem to see you buy a camera or lens to the instructions can be resolved.
No longer be able to visit the user exchange forum.
SLR cameras and ordinary digital camera is the biggest difference between the manual focus, so as to achieve a more perfect shooting. 50 meters away from the external focus, ordinary digital camera can easily achieve, of course, not to mention the SLR, but for the lens you have to see the needs of the. The lens does not need particularly good, the most common header on it. The specific use of what kind of head, you can refer to the following website in the recommendation.
In fact, a lot of equipment around the family, photography and equipment family is really a lot of money ah ~ better than the late learning, what problems can be solved by the ~
- Q:Why is the camera turned black after the camera is turned on?
- After the camera turns on the lens, the display is black and has the following situations:
The old SLR camera does not have a reflector function, that is, you can not use the display to take the mirror, so when shooting only with eyepiece, the display is only used to view the photos.
- Q:What is the focus of the SLR camera?
- Fixed focus lens because no need to zoom so the aperture can do a lot, the structure can be optimized very well, so the weight will be very light. General focus lens to the majority of portrait head, 50mm focal length can be achieved on the 1.8 or even 1.0 aperture, so the virtual effect is very good. Of course, there are other uses of fixed focus, such as Canon's "100 micro" is a very good macro lens, you can achieve a good imaging sharpness and magnification. Fixed focus head also wide-angle fixed focus, telephoto focus and so on.
- Q:My camera lens stuck
- There are many reasons for the lens error:
1. The lens itself is a problem:
1. The internal transmission gears between the gears (debris may be the responsibility of consumers - in the camera dust outside the environment using the camera or the lens by the external force after the transmission gear rupture; also may be the camera manufacturer responsibility - in the assembly The lens when the rip fell into the lens, the lens for a long time caused by gear stuck)2. There is a problem with the sensor on the lens (which may be the responsibility of the consumer - the lens of the camera causes the component to be short-circuited, and may be the responsibility of the camera manufacturer - the component fails or falls off)
- Q:In the camera lens, 1 / 2.3 inch means what it means
- Configuration 1 / 2.3 inch digital camera is usually low-end or although not low-end but most of the telephoto camera (optical zoom more than 10 times), the use of 1 / 2.3 inch advantage is the camera's volume can be done Small, like a card machine and the like are used in such photosensitive components, and the use of a little more photosensitive components of the camera size to do some big, of course, the quality of the image will be better.
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