Q:Camera lens out fixed and retracted, can not open what can not take pictures of what ah?

The Generally not bad, that is a long time, you beat beat beat try. Some users also said online, throwing the ground, the results to the click good

Q:The cameras are digital and the film is costly. My Phoenix SLR camera lens 28-70mm spent more than a thousand dollars to me, and the use of value?

If you want to play, then into the Pentax is also possible, Pentax K-R cost is very high, with 18-55 sets of machine also 4K head.

Q:How do I know if the lens of the camera is glass or resin?

Resin lens and the advantages and disadvantages of glass lenses: weight Resin lenses: light, is one-half of glass lenses Glass Lens: Heavy Impact resistance Resin lens: high impact resistance, easy to break, safe Glass lens: low impact resistance, easy to break Dyeing situation Resin lenses: easy to dyed a variety of colors, with the clothing, popular to do with the appropriate. Glass lens: not stainable Anti - UV Resin lens: almost completely cut off the wavelength of 350mm below the UV Glass lenses: glass lenses cut off the UV effect as resin lenses Anti-fog Resin lenses: anti-fog strong, fast subsided steam, hot water vapor and produce fuzzy unknown phenomenon Glass lenses: anti-fog weak, easy to subside steam, hot water vapor and produce fuzzy unknown phenomenon Anti-dent Resin lenses: high heat and small volume of material is not easy in the resin sheet surface caused any traces Glass Lens: High heat and small volume material is easy to cause dent and spots in glass Surface Reflectivity Resin lens: the surface reflection is lower than the general glass, not dazzling Glass lens: the surface reflection is higher Transmittance Resin lens: no film transmittance of 92% plus film transmittance of 99.6% Glass Lens: Unmanned film Transmittance of 80% -91% Film transmittance of 98% Abrasion resistance Resin lenses: easy to scratch, is hardened by the improvement Glass lenses: high surface hardness, easy to scratch Thickness situation Resin lenses: the same degree than the glass lens to thicker Glass lenses: the same degree than the resin lens thinner Heat resistance Resin lenses: heat resistance is lower than glass lenses Glass lenses: heat resistance is higher than resin lenses

Q:SLR camera lens focal length how much to how good

Different focal lengths, have their own role, there is no good question Wide-angle lens, generally 17-40,16-35 and so on models, suitable for shooting scenery Medium focus lens, such as 28-70,24-70, etc., suitable for portrait, which also includes 50,85,100 fixed focus lens, but also the most suitable portrait

Q:What is the camera lens?

Like the famous Canon white focal length is 70-200 mm less than 3 times the look, and the maximum aperture constant at F2.8, with no dispersion (purple side) of the fluorite lens! The Saying that if the landlord do not understand these most basic things, my advice is not easy to SLR!

Q:Digital camera lens suddenly shrink back? Camera is the Canon IXUS 210 how to do?

Shaking the camera. Once I focus on the lens when the problem, and then thrown well

Q:Camera lens how to do two filters at the same time use? The bayonet of the filter is one way

At the same time for the digital camera, you can also exclude the interference of UV on the CCD, help to improve the clarity and less use. Filter caliber is in accordance with the lens of the caliber to match, there is no merit of the advantages.

Q:SLR camera can be installed at the same time two or more lens, is the two superimposed and then what

Therefore, SLR can only be connected directly to an optical lens for imaging, the rest of the adapter ring, telephoto lens can be superimposed on the basis of this lens, play a different effect.

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 turned black after the camera is turned on?

Lens failure will cause the display does not show the front three cases are excluded, that is, the lens failure, and need to send after-sales testing.