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Function of Objective lens?
The objective lens in a microscope collects and focuses light onto the specimen, producing an enlarged image that can be viewed through the eyepiece. By controlling the magnification and resolution of the image, the objective lens plays a crucial role in determining the quality and clarity of the observed sample.
What does 3-7x20 on a scope mean?
The designation "3-7x20" on a scope indicates its magnification range and objective lens diameter. Specifically, it means the scope can magnify objects from 3 times to 7 times their actual size, and it has a 20mm diameter objective lens. This range allows for versatile use, suitable for both short and medium distance shooting. The larger the objective lens, the more light it can gather, which can improve visibility in low-light conditions.
Technique that produces a 3-D photographic image without a lens?
Holography is a technique that produces a 3-D photographic image without the use of a lens. This process involves the use of laser light to create an interference pattern on a photosensitive surface, resulting in the visualization of a 3-D image when viewed under appropriate lighting conditions.
How are your eyes like a camera?
1.they both need light ray in order to function.2.they both have sensitive surface on which image is formed.3.they both have lens.4.they both have a device to regulate the amount of light that passes through the lense.5.they both are sensitive to light, shade and colour.6. they both can register smaller objects and distance objects.
How to determine the focal length of group of lenses?
Measure the distance from the center of the lens to the area where it 1.)Produces a clear image of very distant objects, 2.) The Sun (Be careful!), 3.) The Moon, 4.) A bright star or planet. The source needs to be at or near infinity. If you use a light source that is close to the lens, your results will not be accurate. Of course, if you know the F ratio, you have it! An F/2 lens will be twice the diameter of the lens. An F/10 will be ten times, etc.
How close does the person need to be to use the WowWee Robotic webcam?
You should sit within 3 feet of the lens.
What function do you use for 3 x 4?
To multiply 3 by 4 you do not need to use a function. You can do it as a straight calculation. However, Excel does provide a function that could be used to do it. The function is called PRODUCT and will multiply all numbers in it. In this case it could be used as follows: =PRODUCT(3,4)
Why do you use cubic units to measure objects?
Cubic units are used to measure 3-Dimensional objects. The cubic(x to the third power) units are used to demonstrate the 3 dimensions.
How do you get more objects in Halo 3 forge?
if you get map packs on each map their are different and sometimes more objects to be used in forge.
How you how do you replace a s70 lens cover?
I assume you mean HEADLIGHT LENS.. .. there are 3 bolts on the back, remove, pull out headlight. Remove clips and broken lens. Replace gasket, lens and put on clips FRONT TO BACK so you don't chip the lens. Reinstall with 3 bolts on back.
What precautions should you take you take on the high power lens?
You should just go down slowly and carefully because it may crush the lens. Thats all of my advice to all of you amazing viewers out there. <3 J-DAWG
What 3 objects that use magnetic fields to operate?
Speakers, microphones, telephones, radios, Etc.
