A lens with a power of 19.5 diopters would be considered a strong prescription lens for correcting vision. It indicates that the lens has a high refractive power, which is often needed for individuals with severe nearsightedness or farsightedness.
A 58mm lens refers to the diameter of the lens barrel at the front of the lens. This measurement is important for selecting compatible lens filters and accessories. It does not directly relate to the focal length or zoom capability of the lens.
An equivalent lens refers to a lens used on a different format camera that produces a similar field of view as a given lens on a specific format camera. Equivalent focal length is the focal length of the equivalent lens on the different format camera that provides a similar angle of view as the original lens on the specific format camera.
You mean the entering rays into the convex lens is already in convergence mode. Ok. Now as it enters into the convex lens convergence would be increased as convex lens would do only converging phenomenon.
The pole of a lens is the midpoint of the lens' geometric axis. It is where the principal axis intersects the lens.
Only a convex lens forms any kind of real image and the size of the image is dependent upon the focal length (hence the curvature and and substance) of the lens. A concave lens forms a virtual or imaginary image in front of the lens. It is one that cannot be projected onto a surface. Perhaps what you mean has to do with convergence and divergence. A convex lens causes light rays to converge (come together at a point), while a concave lens causes rays to diverge.
What do you mean? It is a DSLR camera, not a lens.
Manika len - is the translation for dolly lens in Tagalog
A 58mm lens refers to the diameter of the lens barrel at the front of the lens. This measurement is important for selecting compatible lens filters and accessories. It does not directly relate to the focal length or zoom capability of the lens.
The "mm" in a camera lens refers to the focal length of the lens, which determines the angle of view and magnification of the image.
If you have seen a real iPod touch there is no lens on it. Are you sure you don't mean the iPhone?
"mm" on a camera lens refers to the focal length of the lens, measured in millimeters. It indicates how much the lens can zoom in or out, with larger numbers representing a longer zoom or telephoto lens, and smaller numbers indicating a wider angle or wide-angle lens.
what do you mean
Achromatic means "without color". An achromatic lens is a lens that is virtually free from prismatic color distortions.
E20 is a lens error code. The lens either isn't aligned or it may need cleaning. Try running a lens cleaner disc through it.
i think you mean FOCAL LENGTH.
Single Lens Reflex. It has to do with cameras.
A macro lens is used to take photographs of small subjects - a popular use is for photographing insects and foliage.