Setting up lenses
Here steps setting up your lenses to get best photography pictures. it is applicable to video camera, depends on your logical creativity (even you will get best picture like Direct TV business digital television transmitted to your house !).
Step 1-Calculating the focal length
The focal length is a lens’ pivotal parameter. To represent an object completely on the CCD chip,
we calculate the focal length for the object height and width. The smaller value is our lenses focal
length
Focal length of the width = Working distance x CCD width/Object width + CCD width
Focal length of the height = Working distance x CCD height/Object height+CCD height
Step 2-Selecting a lens
To adjust the focal lengths for the above examples, zoom lenses would be necessary. These lenses, however, have considerable disadvantages (weight, size, price, etc.). Therefore, usually fixed focus lenses are used. To take advantage of quality offered by The Imaging Source cameras, we recommend the use of Pentax and Computar MegaPixel series lenses.
Step 3-How to deal with very small working distances
Especially in the case of small objects, the working distance may be smaller than the selected lenses minimal working distance (MOD). In this case, we decrease the minimal working distance by putting extension rings between the lens and the camera.
Step 4-Setup
In the field of digital image processing, we have a standardized lens mount with two variants: C mount and CS mount. This leads to four combinations, one of which does not work: CS mount lenses can not be used with C mount cameras. If you, on the other hand, would like to attach a C mount lens to a CS mount camera previously simply screw a 5 mm extension ring into the camera. If Step 3 (How to deal with very small working distances) should have turned out to require an additional extension ring, simply put it between the camera and the lens (like a grommet).
Special case- Wide-angle lenses.
Very large objects and/or small working distances often force us to use lenses with very small focal lengths. options for setting up television in a restaurant done by Dish business are likely similar to this photography set up.
Remember that everything about lenses is applicable to gadgets using lenses. You might like to check Business cable service and get some color for your inspiring photography actions.
