A projector can not work effectively without projector lens. In order to show pictures on the wall or screen the complete source light is reproduced to the slide. Afterwards, light reflected drops on projector lens, which is grouping of 2 Plano convex lenses. Because of the projector lens, which is kept close to the slide, the picture is elucidated strongly.
A standard wide angle 8mm projector lens was made to be used with majority of the 8mm projector systems. Wide angle lenses offer up to 33% wider screen coverage as compare to typical standard lenses. Few lenses attach to the place whereas others just appear and lock.
One can find second hand projector lens of various brands from different photography shops. These brands can be Elmo, Buhl, Sony, Apollo, Hitachi, Sharp etc.
Projector Lens Types
To have excellent, high quality images one should have good quality, capable lens. Most multimedia projectors let the user to use various compatible lenses and interchangeable lenses with them. Some projectors don't have lenses the users can use different types of lenses with them. One can buy different sizes of lenses with diverse apertures. The most commonly used lenses with multimedia projector systems are:
- Wide angle lenses.
- Zoom lenses.
- Short, middle and long throw lenses.
- Ultra wide angle lenses.
- Standard long zoom.
Overhead projector lens comes in different sizes such as 280mm by 280mm or 310mm by 310mm. Overhead projector lens characterize as singlet, doublet and advanced triplet lens. Off course, the price will go up by the improved lens quality. The more sophisticated and advanced lens gives sharper quality as compare to standardize lens.
Online Information
While working with projector it is not only important to know about the different components of projectors such as screen, lamp, stands, how to set them and how to get desirable output. It is also necessary to have information about the projector lens and their capabilities. If one doesn’t know anything about this then the purchase of project lens and other components might cost more. That’s why it is good to browse on the internet and gain knowledge before making any decision.
Before buying projector lens lots of factors should be kept in mind such as:
- The screen size.
- The space between the audience and the screen.
- Room size and so on.
There are various kinds of lenses and so are there prices. so look for the projector lenses that suits goes with ones needs, like what is the location and in the presence of how many audience, according to these factors it will be easier to make a decision about the projector.
Lens Cleaning Tips
In order to clean projector lens try to use a projector lens cleaner on a smooth and dry piece of cloth to avoid scratches. Little amount of cleaner is needed to spray on the lens. After that, softly clean the lens with a dry cloth. Avoid pressing or rubbing the cloth on the lens.
Use lens cap in order to keep it safe from dust and dirt. It also protect projector lens from cracks, scratches, and breakage. Projector lens caps are available in metal, plastic or in rubber material. Many lens caps slide on the projector lens. Online, one will find lots of projector lenses and cleaning kits of specific brand but they are of different prices.
The projector lenses come in different sizes, shapes and price for different projectors.