It actually lets you focus on the subject you want to click the picture of !! and the focus ring lets you decide the zoom as well as the depth of field you required while clicking the picture.
To help the lens focus the image.
An aperture ring affects the SLR camera because you turn it to adjust light and focus.
No
The ideal image with a digital SLR camera can be obtained by focusing the lens. This can be done by turning of auto focus and manually focusing the lens yourself or by reading the manual and looking for the controls.
what does SLR stand for on camers
functions of the principal components of a digital SLR camera
All major camera companies make SLR cameras, as well as digital SLR cameras. My photography teacher always recommended the Promaster 2500PK Manual SLR camera for its ease of use, value, and manual functions.
This is an expensive camera. SLR stands for Single Reflex Len. This is the type of camera a photographer purchase of their craft. Sony hase been making SLR camera for quite a few years.
Yes you can use a SLR lens as an attachment on some digital camera. You will have to check the camera to see if there is an attachment that is available on the camera.
You can buy a SLR camera online for a good price at ebay or amazon
Your average SLR camera is going to run you about $600 for a quality camera. The lower end ones can be purchased for around $450.
A View camera or an SLR
SLR or single lens reflex refers to a particular type of camera in which the image and the viewfinder are both taken from one lens. effectively WYSIWYG. auto focus auto exposure modes have been available in SLR cameras for a very long time thus making them "automatic." As a side note an SLR need not have exchangeable lenses to be an SLR nor are all cameras with exchangeable lenses SLR's. The primary advantage of SLR's is the fact that the image in the viewfinder is pretty much the image that you get when you release the shutter.