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Get to know nanosurf, founded in 2001 as a Swiss manufacturer of scanning probe microscopes. Our products are developed and produced by our experienced team of engineers and physicists at our headquarters in Liestal and sold all over the world. The product range includes compact AFMs, state-of-the-art atomic force microscopy systems for scientific applications, and comprehensive next-generation nanotechnology solutions that are customized.
Our users, whether in the field of research, industry or nano-teaching, appreciate and value the innovative approach, modular design and ease of operation of our products. Naser (Shanghai) Nanotechnology **** is the Chinese headquarters of Nanosurf.
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Brother, I'm not very good at optical design!
1.But with what I've learned, I think that "infinity optical system" and "microscopic objective" are in conflict together, and the microscope objective is something that observes a finite and far microscopic image, how can it exist in an infinity optical system!
2.Do you mean infinity by bitelecentric lenses? If so, it's understandable! Magnification = image surface size object surface size.
The object size and image size of the bitelecentric lens are fixed!
If you know the focal length and working distance, you can also calculate the magnification, focal length and working distance.
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The factor for the maximum magnification is the wavelength of the light used. The resolution limit of an optical microscope is about microns, which is equivalent to a magnification of 1500 to 2000 times.
An optical microscope (abbreviated as OM) is an optical instrument that uses optical principles to magnify and image tiny objects that cannot be distinguished by the human eye, so that people can extract microstructure information.
A microscope is a precision optical instrument that has been developed for more than 300 years. Since the advent of microscopes, people have seen many tiny organisms and the basic units that make up living things – cells – that were not seen in the past. There are not only optical microscopes that can magnify more than 1,000 times, but also electron microscopes that magnify hundreds of thousands of times, which enable us to have a further understanding of the laws of life activities of living organisms.
Most of the experiments specified in the biology syllabus of ordinary middle schools are completed by microscopes, so the performance of the microscope is the key to doing a good job in observation experiments.
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The magnification of the microscope refers to the product of the magnification of the eyepiece and the objective lens, and the magnification is the length or width of the object image For example, the magnification of the eyepiece is 10 times, the magnification of the objective lens is 40 times, and the magnification of the microscope is 10 40 400 times
There are two concepts of total magnification, one is optical magnification and the other is digital magnification (digital magnification is only involved when an imaging device is connected).
1. Optical magnification refers to the magnification of the object that we observe from the microscope eyepiece. The calculation of optical magnification is relatively simple, i.e., objective lens magnification * eyepiece magnification.
For example, the magnification of a stereo microscope is calculated, and the objective lens of a continuous zoom stereo microscope is usually magnified, so in the case of a 10x eyepiece, the total magnification of this microscope is 7-45x.
The calculation of biological microscope and metallurgical microscope is simpler, the general objective lens configuration is 4x, 10x, 40x, 100x, the conventional eyepiece configuration is 10x, and there are 16x, 20x, etc., as long as the multiplier of the eyepiece and the objective lens are multiplied respectively to get the total magnification.
2 Digital magnification.
Digital magnification refers to the magnification displayed on the image after the external device is connected, and the current market is mostly to use a trinocular microscope, which is connected to a computer, monitor or TV through CCD equipment for imaging observation, so as to reduce eye fatigue and facilitate sharing with others.
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The magnification of the optical ruler microscope is generally not more than ().
Double-missing. Fold. Fold.
Fold. Correct answer: 1200 times.
1. Focal length, also known as focal length, is a measure of the concentration or divergence of light in an optical system, which refers to the distance from the center of the lens to the focal point of light concentration. It is also the distance from the optical center of the lens to the imaging plane such as the tintle or CCD or CMOS in a camera. Optical systems with short focal lengths have a better ability to concentrate light than those with long focal lengths. >>>More
The SX60 supports manual focusing, which is prone to misfocus or incorrect focus in low light or complex scenes. This is where manual focus comes in. To do this, in shooting mode, press the right button of the "Func Set" control dial once. >>>More
Optical zoom is known as optical zoom in English, and digital cameras rely on an optical lens structure to achieve zoom. It is to zoom in and out of the scene to be photographed by moving the lens, and the larger the optical zoom factor, the farther away the scene can be photographed. >>>More
The difference is: optical zoom adjusts the image distance by adjusting the distance between the convex mirror and the imaging element, the larger the image distance, the larger the object distance of the double, and the farther you can see, the smaller the range; >>>More
Nowadays, many young people have psychological problems, and I think this major must be very promising.