heyy x a lens help you see in the light
An objective lens gathers light passing through the specimen on the microscope and projects the image into the body of the microscope. Objective lens are closest to the specimen.
The wide angle lens is called a fisheye lens.
A fisheye lens IS a wide angle lens
Fisheye Lens
heyy x a lens help you see in the light
There are a few camera lens types such as : a wide angle lens (used to capture a larger area than the area visible by a human eye), telephoto lens (opposite of wide angle), panoramic lens and so on.
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For shooting landscapes, a wide angle lens is best, such as the Canon EF 35mm f/1.4L USM Wide Angle Lens. It will allow you to capture more of the landscape.
A 28mm wide angle lens is basically a wide angle lens for a 28mm camera. The book definition for wide angle lens it... "a camera lens having a wider than normal angle of view (and usually a short focal length); produces an image that is foreshortened in the centre". In may words, "A lens that you put on your camera that makes the frame (frame- what you see) wider. Ex. If your zoomed out all the way and your pointing your 28mm camera at a chair. You can see the whole chair and just the chair. If you put on your wide angle lens, you can see more. You could fit two of those chairs in your frame now. Basically, it makes your frame wider.
a wide angle lense
The ocular is the upper lens and objective is the lower lens
Typically a lense of shorter focal length than 35mm. It is called wide-angle because the angle of view is wide, up to 180 degrees for some fisheye lenses.