By Max J. Riedl
This booklet is an creation to optics and optical fabrication that offers technicians with basic reasons supported by way of illustrations and diagrams. special examples and calculations also are integrated. The habit and function of optical parts as person parts and as individuals of entire platforms are mentioned and evaluated. additional subject matters contain the producing, checking out, and mounting of optical components; two-element structures; optical coatings; and aberrations.
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Additional info for Optics for Technicians
5 Lens Bending Closely evaluating Eq. 2) discloses a very interesting fact. It is the difference in the curvatures that matters for determining the focal length of a lens. 5), maintaining a focal length of 100 mm. 04 (glass). The focal length is 100 mm. 01 mmÀ1 . Using the chosen parameters, Eq. 02. 1 contains a selection of constant curvature differences for this 100-mm lens with an indication of how the shape of the lens changes. This by itself may not sound to be of much importance, except in terms of choosing different curvatures, but maintaining the difference between the two curvatures changes the shape of the lens, which in turn impacts the spherical aberration, which is one of the most severe primary aberrations.
According to Eq. 5, and for the second example, it is m ¼ À20∕ À 10 ¼ þ2. 3 Quick reference for image location and orientation. 5 Lens Bending Closely evaluating Eq. 2) discloses a very interesting fact. It is the difference in the curvatures that matters for determining the focal length of a lens. 5), maintaining a focal length of 100 mm. 04 (glass). The focal length is 100 mm. 01 mmÀ1 . Using the chosen parameters, Eq. 02. 1 contains a selection of constant curvature differences for this 100-mm lens with an indication of how the shape of the lens changes.
4. 5. 6. 7. Spherical aberration. Axial chromatic aberration. Coma. Astigmatism. Field curvature (Petzval curvature). Distortion. Lateral color. When determining aberration size, we will refer only to expressions which relate to the so-called thin lens third-order aberration theory. This theory is based on truncation of a sine series to the third order to simplify the calculations. org/ 48 Chapter 4 The full series is expressed by x3 x5 þ 1Â2Â3 1Â2Â3Â4Â5 x7 À þ ··· ··· : 1Â2Â3Â4Â5Â6Â7 sin x ¼ x À As the name implies, only the first two terms of this series are considered in this aberration theory.