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The F-Theta scanning lenses are commonly used in laser scanning systems that employ two-axis galvanometers to scan a specified area but cannot tolerate the angle at the image plane. By introducing a specified amount of barrel distortion in a scanning lens, the F-Theta scanning lens becomes an ideal choice for applications that require a flat field on the image plane such as laser scanning, marking, engraving and cutting systems. Depending on the requirements of the application, these diffraction limited lens systems can be optimized to account for wavelength, spot size, and focal length, and distortion is held to less than 0.25% throughout the field of view of the lens.
In addition to these standard designs, we can develop complete systems for you, use components from laser beam shaping to the expansion and splitting of laser beams.
Details
F-theta Lenses can shoot and form the image of objects of limited distance. It provides full glass high-performance lens, and different lenses meet the functions of A3, A4, barcode scanning. It is applied to the flatbed scanner and high shot instrument equipment. The lens is close to the diffraction limit and has small distortion, which meets the requirements of use.
The principles of F-theta Lenses:
To change the directions of beams through moving the scanner. To make the movement become the one of the focus on the focal plane by focus lens’s focusing. Laser scanning can be divided into pre-objective scanning and scanning after the objective lens. Usually scanning device with the high requirement is pre—objective scanning.
The special characteristics of scanning objective:
1. Scanning objective belongs to the imaging difference system with a small aperture, which requires rather high optical resolution.
2.Because of a photoelectric device, it should not only adjust the aberration of white light (mixed light), but consider aberrations of three independent wavelengths of R, G and B.
3.To correct the distortion aberration.
Seamlessly Looping Background Animation Of A Urban Tech Set With Matched Minimal and Objective Themes. Checkout GlobalArchive.com, contact ChrisDortch@gmail.com, and connect to www.linkedin.com/in/chrisdortch
She's found the perfect store that will hopefully provide the perfect outfit. She's eyeing the store The Other Side Vintage, but the actuality of what the store looks like is hidden from our point of view because this photo captures Ashley's objective point of view. Her look is of hope mixed with concern over finding a last minute dress at the only store she'll visit today. Using the objective point of view allows me to comment on what Ashley is thinking, rather just reporting on it.
The objective of this observation is to develop color awareness to the kids so that they classify the objects they see by colors. At the end of the day,they are very clear with three primary colors and the formation of secondary colors by blending of two primary colors. Our kids had a nice time observing all the colorful objects of primary and secondary colors.
The Fence2Fence Team's main objective was to carry on with visibility improvement work at New Drive level crossing.
A large ash tree had been felled by a contractor before Christmas. A couple of holly trees were cut down by our own volunteers and sundry other vegetation cleared to give a much improved view of and for vehicles coming off the Powis Estate.
Photo taken on the Welshpool & Llanfair Light Railway.
Objectively, I realize that my little brother's beard probably doesn't look any more ridiculous than my own. But that's not how I feel about it.
The overall objective of SWITCH Africa Green is to support 7 countries in Africa to achieve sustainable development by engaging in transition towards an inclusive green economy, based on sustainable consumption and production patterns, while generating growth, creating decent jobs and reducing poverty. The objective will be achieved through support to private sector led inclusive green growth.
At Chipotle, the objective time it takes for the employee to make my burrito bowl is much different from the subjective time that she is feeling while working. The worker may be busy so time may seem as if it were flying by, when to me she could be taking very long. On the other hand, she could feel as if each bowl she makes feels as if it is taking forever, whereas to me it could have been very quick.
Filtered image notes:
Image size from 42x32 to 13x10
Filtered image: neon glow
Glow size: -7
Glow Brightness: 29
Glow color: orange
Filtered image: Water Color
Brush detail: 9
Shadow Intensity: 1
Texture: 1
+ I liked the angle of view on the basketball hoop.
- I don't like using filtering changes....
Grade: A-
The Y.LEAD Seminar is a platform for youths from the age of 15 to 17 to acquire a heightened awareness of global social challenges, a clear moralistic perception of the role of leaders and a useful set of leadership skills. The objective of the seminar is to empower youths to become future leaders who can effect positive changes in society.
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Email me at ngzhengqin98@gmail.com if you wish to use any of my images.
pixelate
crystallize
cell size: 18
+ I like that pattern of the crystallizing filter and I;m glad that you can tell that the photo is of trees
- you can't really see the rope very well and the colors aren't very interesting
17/20