Edmund Optics^®

固定焦点レンズにおける焦点距離について。及び焦点距離の決定方法。レンズの焦点距離の計算例や固定倍率のレンズを用いた実視野の計算式について。

Learn more about the advantages of telecentricity, including parallax error elimination, telecentric lenses, depth of field, and distortion, at Edmund Optics.

フレネルレンズは物理寸法的に薄い形状ながらも、従来の光学レンズと同様に光を一点に集めることができます。しかしながら、物理的に薄い以外にも幾つかの利点が存在します。フレネルレンズの原理と利点、製造、アプリケーション事例までを説明。

Are you getting depth of field and depth of focus confused? Discover the differences and how to distinguish the two from one another at Edmund Optics.

Fixed magnification lenses typically function properly at a single working distance and are specified by their magnification. Learn more at Edmund Optics.

Are you looking to design or correct the optical aberation for a system? Learn more about chromatic and monochromatic optical aberations at Edmund Optics.

To decide what imaging lens is right for a system, it is important to know the parameters of the imaging system used. Learn more at Edmund Optics.

Color-corrected optical lenses are ideal for many applications because they reduce multiple aberrations. Learn more about the advantages at Edmund Optics.

Fixed focal length, zoom, and macro lenses are all variable magnification lenses. Learn more at Edmund Optics.

The Off-Axis Parabolic Mirror Selection (OAP) Guide refines your search for an OAP mirror from Edmund Optics.

Want to learn how to extend a lens beyond its limits in an application? Learn more about spacers, shims, and focal length extenders at Edmund Optics.

The modulation transfer function of a lens varies depending on working distance, sensor size, f/#, and wavelength. Learn more at Edmund Optics.

Optical lenses require very precise tolerances. Learn more about tolerances for spherical lenses at Edmund Optics.

Optical lens geometries control light in different ways. Learn about Snell's Law of Refraction, lens terminology and geometries at Edmund Optics.

Become familiarized with the key components of an imaging lens assembly and how they function.

非球面レンズのメリットは、球面収差を補正する能力です。球面収差は、光の一点集光やコリメートする際に、球面形状の光学素子を使う時に生じます。ここでは非球面レンズの特徴やその性能のメリットから、その製造方法、タイプ別の利点や選定方法を紹介します。

When it comes to your lens, the f/# is one of the most important settings because it controls multiple parameters. Find out what the f/# controls at Edmund Optics.

Not sure which diffuser will best meet your needs? Review EO's diffuser selection guide to review the pros and cons of each diffuser type at Edmund Optics.

Want to use an infinity corrected objective to make an image? You will need a tube lens to do it! Find out why and how it works at Edmund Optics.

Explore the differences in the performance of imaging lenses by directly comparing the associated modulation transfer function (MTF) curves.

Liquid lenses have many features, are small in size, and adjust focus quickly to adapt to objects located at various working distances. Learn more at Edmund Optics.

Imaging lens performance can be enhanced with the use of liquid lenses. Learn more at Edmund Optics.

光学レンズやミラー、ウインドウの製品群に最も共通した製造や仕上げ、及び材料に関する仕様の説明。 製造上の仕様：直径公差・中心厚公差・曲率半径・偏芯・平行度・角度公差・面取り・有効径。 外観上の仕様：表面品質、平面度、パワー、イレギュラリティ、面粗さ。 材料上の仕様：屈折率、アッベ数、レーザー耐力。

Are you trying to measure the performance of your lens? Although this can be a difficult task, there are curves that can help. Read more at Edmund Optics.

Don't know which light pipe homogenizing rod will work with your system? Learn about how to choose the correct rod and more information at Edmund Optics.

Elimination of parallax and distortion play a large role in determining the quality of certain telecentric lenses. Learn more at Edmund Optics.

波長板と位相差板の用語、仕様、製作、構造。及び、正しい波長板の選定やアプリケーション事例について。位相差板としても知られる波長板は、光を透過し、ビームを減衰、偏位、あるいは変位させることなく、その偏光状態を修正します。波長板は、偏光の一つの成分をそれが直交する成分に対して位相を遅らせる (遅延させる) ことによって偏光状態を変化させます。

The Strehl ratio of an optical system is a comparison of its real performance with its diffraction-limited performance.

Learn how Edmund Optics maintains optical performance across the entire image plane through this resolution and contrast comparison using our C Series FFL lens.

Telecentric Lenses can grow quite large and heavy with small magnifications, as such magnifications require large front optics. Learn more at Edmund Optics.