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Example: Your cylinder on your eyeglass rx may be -1.00 but when you try to order your contact lenses, you see that only -0.75 or -1.00 is available. Which do you use? This is why you must get these number from your eye care professional.

Two week and monthly disposable contacts typically come in 6 packs, in other words 6 lenses per box. Most people need a minimum of two boxes, unless your eyes are the same strength.

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These two lenses, the collector lens and condenser lens, work together to provide a bright, even, and constant light throughout the system: on the image plane ...

If you have astigmatism, you will need additional information from your contact lens prescription. As with a standard prescription, you will need your brand, base curve, diameter and power.

This is a summary of the contact lens specifications needed from your eye care professional to order contact lenses online.

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Your contact lens specifications consist of a number of different parameters, depending on your prescription and what type of contact lens you are wearing.

The 100X objective will thread into the nosepiece where one of the other objectives was removed. If the 100X objective was intended for use ...

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Taichung Office : 5F-A3, No.760, Zhongming S. Rd., South District, Taichung City 402256, Taiwan TEL : 886-4-2261-0357 / FAX : 886-4-2261-0355 E-mail : sales-tch@unice.com.tw

You will need to know all of these specifications from your optometrist or optician. You may also duplicate the information from your current contact lens box tops.

You must also determine the number of contact lenses you want to purchase. Usually when ordering online, the more boxes you purchase, the better deal you will get per box.

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Each microscope objective is itself a complex assembly of lenses, and besides contributing to the magnification, it is the objective lens which determines the ...

Do not attempt to order contact lenses based on your eyeglass prescription. There are a number of ways these specifications may differ. So always use the specifications that you get when you have been fitted with contact lenses.

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Product name : Spectralon® White Balance and Diffuse Reflectance Targets Description : The Spectralon® White Balance and Diffuse Reflectance Targets can be used for a variety of industrial, laboratory, and field applications including calibration of imaging systems, backlight illumination, laser targets, optical reflectors, remote sensing, and proximity sensor. These targets are 99% reflective throughout UV-VIS-NIR wavelengths (350 – 1600nm) and exhibit high reflectivity for the entire calibrated wavelength region. These targets come with calibration data certified against NIST traceable standards from 250 to 2500nm wavelength region and report in 50nm interval. The data is used to evaluate the correlation between the output values of an instrument, such as a camera or spectrometer, and the known values of the standard to provide correction factors for the instrument. In the case of color reproduction of an imaging system, using the target can provide true color and maintain a constant contrast over a variety of lighting conditions. In most color cameras, calculating the differences between input and output and applying correction factors is done automatically by the camera’s \"white balance\" function, making the standard very easy to use. If a camera does not have an automatic white balance function, color management can be done manually. Besides calibrating for white balance, the standard can be used for calibrating lighting levels and uniformity within an imaging system. All targets are durable, thermally and chemically stable, and washable. They are ideal for applications that require long exposure to harsh environmental conditions, which makes them ideal for many machine vision and outdoor environments. All targets come mounted on a rugged anodized aluminum housing with mounting holes for easy integration. ● Diffuse Reflectance with 99% Nominal Reflectance in UV-VIS-NIR Wavelength Range (350 - 1600nm) ● Durable, Stable, and Washable ● NIST Traceable Calibration Certificate and Data from 250 - 2500nm Note: Custom targets are recommended if the FOV is less than 0.64mm.

Sep 21, 2017 — In other words, Effective Focal Length is equal to Focal Length multiplied by the Crop Factor. As simple as that. For instance, if you have a ...

Tainan Office : 8F-13, No. 395 Sec.1, Linsen Rd, East District, Tainan City 701024, Taiwan TEL : 886-6-208-6550 / FAX : 886-6-208-6282 E-mail : unicest@unice.com.tw

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... film plays like a monologue interrupted by peripheral blips on Edmond's skewed radar. Mamet's subject is the frenzied reaction of the modern male to the ...

The curve varies on each according to the lens focal width. Commonly wide angle lenses create barrel distortion and telephoto lens pincushion distortion. A ...

Shop Pottery Barn for decorative mirrors that feature simple designs and easy style. Find large, small and round mirrors and create a warm space with ...

If you are ordering contact lenses online, you will need to know your contact lens prescription, or more accurately, your contact lens specifications.

other critical digital camera settings · EXPOSURE COMPENSATION. You can override your camera's exposure decisions. · ISO. You can adjust your camera's ...

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Johnson & Johnson also carries 24 packs in Oasys. One 24 pack equals a 6 month supply if your eyes are the same strength.

Daily disposable contact lenses are usually packaged in either 30 or 90 packs. Sometimes if the brand is very new or not as popular, only 30 packs are available.

We caution you to always duplicate exactly what you have been wearing, or are given from your eye care professional. If you do not, you may find that our are not happy with what you receive.

These numbers must come from contact lens specifications, please do not try to enter your eyeglass prescription. Contact lens axis and cylinder only come in certain ranges.