Wednesday, 13 April 2011

Converging lenses.wmv

This is part of my science project for optic. I used c4d to make the animations and sony vegas for the final movie

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Sunday, 10 April 2011

Optical Lens

Modeling convex and concave spherical lens from two fragments of spheres (for the main surface of the lens) and a thin cylinder between them used to close the internal space of the lens.

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Wednesday, 6 April 2011

Great Price Lensbaby LBOS for $34.95

Lensbaby Single Glass Optic Review





Lensbaby Single Glass Optic Feature


  • Uncoated double convex optical glass singlet
  • Ships with clear plastic storage case
  • For use with magnetic disk aperture system
  • Compatible with all Lensbaby SLR lenses



Lensbaby Single Glass Optic Overview


Part of the Lensbaby™ Optic Swap System, the Single Glass optic gives picture a soft dreamy effect


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*** Product Information and Prices Stored: Apr 06, 2011 14:34:12

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Saturday, 2 April 2011

Great Price Atlona AT22010-4 for $20.16

4M (13FT) ATLONA OPTICAL ( TOSLINK ) DIGITAL AUDIO CABLE AT22010-4 Atlona Technologies Review





4M (13FT) ATLONA OPTICAL ( TOSLINK ) DIGITAL AUDIO CABLE AT22010-4 Atlona Technologies Feature


  • 4m (13ft) High-Purity optical grade fiber
  • Polished lenses. Micro convex ends
  • Nylon Sleeve offers extra protection against moisture and dust
  • RoHS Rated. CL2 standard rated
  • immune to Electromagnetic Interference and Radio Frequency Interference



4M (13FT) ATLONA OPTICAL ( TOSLINK ) DIGITAL AUDIO CABLE AT22010-4 Atlona Technologies Overview


Fiber Optic audio cable. Designed to transfer high quality digital surround sound signals with no degradation. UL CL2 rated for in-wall installations. ROhS rated.


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*** Product Information and Prices Stored: Apr 02, 2011 23:21:04

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Wednesday, 30 March 2011

Ray Tracing (Converging Lens 2)

Ray tracing diagram for a converging lens, with the object inside the focal length. (yes, the light actually bends at both surfaces, not the middle of the lens...) This video was made with a Samsung Document Camera (pretty much a digital video camera on a stick)

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Saturday, 26 March 2011

Physics: optics of lenses and mirrors (4)

Physics: Introduction to the optics of lenses and mirrors. Concave, convex, converging, diverging; real, virtual; upright, inverted, magnified, shrunk. Sign conventions for focal length, image distance, object distance, magnification. The lens/mirror equation; the magnification equation. Introduction to ray tracing. This is arecording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For printable documents containing the "handout" and problems discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) The lens/mirror equation. Focal length distance, object distance. Convex, concave, diverging, converging (2) Image distance. Real, virtual (3) Continued. Magnified, shrunk (4) Continued. Upright, inverted (5) Continued. Magnification equation (6) Continued. The lens/mirror chart (7) A problem (8) Continued. Ray tracing (9) Continued (10) Another problem (11) Continued

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Wednesday, 23 March 2011

OP39: To Show Refraction of Light through a Lens

We used a raybox to show how a concave lens causes rays to move apart. We also showed how a convex lens brings rays to a focus.

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