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FAQ
- Nikon how to change the lens
- Then twist the lens clockwise until you hear a click, which means that you have successfully replaced the camera lens.
- Is it possible to wipe the camera with a cotton swab dipped in alcohol?
- A little better lens surface coating, technology content is relatively high, the role is also more obvious, and the lens is different, the coating is also different. It is best not to use alcohol and other chemicals to wipe, in order to avoid damage to the lens coating, and change its characteristics, affecting the shooting effect. Since you can think of wiping the lens with alcohol, that you still love the lens. Although the lens is fragile, but not so squeamish. Dirt heavy, the general lens cloth or paper, Kazakhstan gas after the light enough, a little extravagant charcoal pen. Usually the kind of dust and so on, the air blown clean on it.
- What does the camera lens's ccd mean?
- Thus, pixel CCD size is indeed important, but not the only guarantee of digital image quality, must ensure that the calculated pixel value helps to produce a clearer image. In addition to the resolution of image files, digital cameras require high-quality color management systems, excellent processing algorithms, precision analog-to-digital converters, precise file handling methods, high-quality optical zoom lenses, and a set of comfortable adjustments Device.
- Can the camera lens be mounted on the camera for a long time?
- Camera lens as part of the camera, especially the one machine, the lens can be installed on the camera for a long time.
- The focal length of the SLR camera lens is calculated
- The focal length of the lens is basically the distance between the center of the lens and the clear image formed on the film plane. The focal length of the lens determines the size of the image taken by the subject on the film. Assuming that the same subject is being photographed at the same distance, the longer the focal length of the lens, the larger the image formed by the subject on the film. For example, the image taken with a 100mm lens is twice the height and width of the image taken on the same camera using a 50 mm lens. The height and width of the 400 mm lens are four times the height of the 100 mm lens, Take 50mm as an example. In the full camera do not multiply by the coefficient, that is, 50mm, full-size cameras such as Canon 5D2, Nikon D700. The focal length has a conversion factor on the non-full camera, multiplied by a factor of 1.5-1.6 on the APS-C frame camera. Such as Pentax K5 Nikon D90, Canon 550D 60D are APS-C format. Canon APS-C frame camera is multiplied by 1.6 coefficients.
- My camera lens can not stretch
- Obviously, this situation is man-made damage. Is not within the scope of the warranty, this failure is part of the lens caused by external forces. First of all the lens of the motor is not easy to bad, is the gear is broken only to find a high level of the master repair the highest but 200 yuan.
- SLR camera lens area distinction
- 4. kit is the dog head, digital SLR if you want to take pictures, must be the body plus lens Caixing, it must buy a lens, even if the dog head. 5. If you just get started, you can buy a dog head to practice (f3.5-5.6), and then consider a little better lens (4K above the lens) 6. The diameter of the lens is often easy to be ignored, but the diameter is better (52mm and 77mm)
- Digital camera lens inside the moldy how to remove?
- Long mold of the lens to wipe, the consequences are miserable, the traces of the lens is extremely obvious. This is what I have experienced, but also sent to Shanghai's well-known stores to rub. Or use the above that a few ways to say it
