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Q:Canon camera lens marked red circle, green circle, white circle, what is the difference?
White ring: designed for the APS body design of the lens, full frame did not want to follow the cheap (can not use), but the lens "do" is indeed very "cheap", do not consider the price, then only EF-s17 ~ 55mmF2.8IS this One is really.
No circle: focal lengths have a repeat of the lowest file, such as 50mmF1.8, above the red circle 50mmF1.2L, 50mmF1.4 in the middle. Although it is the whole body of the body, but came up with no lap. The main feeling or let the cost of trouble, or rushed to the head of the sales volume is also enough to draw a purple circle powder bar
Q:Glasses cloth can rub the SLR camera lens!
It is best to use special lens paper.
First with gas ball blowing dust, and then use the lens paper from the inside out rounded, gently rub.
Because the lens of the front mirror of the glass is very soft, the mirror of the gray spots or not serious fingerprints, the general does not affect the image, not recommended always rub.
Usually best to add a UV mirror or light mirror to protect the front 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:SLR camera lens play what role, the fuselage play what role?
And the use of SLR camera from the subject when the light from the lens focus, was oblique reflection mirror reflected to the focus screen imaging, and then through the top of the ridge to the "roof prism" reflection, the photographer through the viewfinder eyepiece can see the scene , And is up and down around the same scene with the image, so framing, focusing are very convenient.
Q:Canon SLR camera lens d100 and Canon 5d series lens can be universal?
You want to ask is 100D and 5D it Canon D is behind, D stands for digital camera.
Canon SLR currently has two main specifications of the lens. EF-S half-frame lens and EF full frame lens. EF-S and half-frame fuselage as halves, so the cost is low, the price is cheap, the quality is correspondingly worse. EF full frame lens and full frame opportunities like the use of materials, relatively high quality, the price is high.
Q:SLR camera lens how to remove from the fuselage?
In the lens around the root of a button different interface position is not the same press the lens can be rotated to remove the
Q:10 years ago SLR camera lens
As long as the lens mount and the new digital fuselage to buy the same on the line
For example, if the Canon EF lens, then it is suitable for all current Canon EOS SLR body!
10 years ago the lens is not too old, my EF28-105 generation or 14 years ago to buy EOS5 sets of machine with it, now used in the EOS5D MARKII on the!
Q:SLR camera to replace the lens when how to operate?
2, when the lens is necessary to allow the camera hanging in the neck, bayonet to face down to prevent dust fall.
Q:When taking pictures with a normal camera, it is not easy to use. There is a "fool" camera,
Early camera because there is no auto focus function, focus need to manually, but encountered unexpected events is too late to tune, so the use of the camera's so-called "super focal length" to shoot, then the camera and the lens will generally have depth of field Table tips.
Q:Why Casio digital camera will always show the lens error, and the lens can not shrink
Can be soil treatment.
To find the thick book pad to the bottom of the camera fierce knock three,
And then turn off the machine, repeated three or five times, generally just fine.
It is not, to repair.