Category:Clamshell Fresnel lenses

Subcategories

This category has only the following subcategory.

Media in category "Clamshell Fresnel lenses"

The following 28 files are in this category, out of 28 total.

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  A first order Fresnel lens (8749610639).jpg 1,024 × 681; 135 KB
  
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  Cape Agulhas, South Africa (3226078906).jpg 2,000 × 3,008; 2.33 MB
  
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  Choshi Inubosaki Museum 2013-09A.JPG 6,016 × 4,000; 5.41 MB
  
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  Clare Island Lighthouse Optic - World Of Glass - geograph.org.uk - 528981.jpg 388 × 640; 28 KB
  
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  Clare Island Lighthouse Optic at The World of Glass.jpg 480 × 640; 291 KB
  
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  Farol de Montedor (51).jpg 5,472 × 3,648; 6.2 MB
  
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  Fresnel Lens (3478880479).jpg 2,592 × 3,872; 5.33 MB
  
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  Fresnel Lens - Cape Agulhas Lighthouse - South Africa (13635297825).jpg 3,463 × 2,736; 4.17 MB
  
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  Fresnel Lens - Cape Agulhas Lighthouse - South Africa (13635313663).jpg 3,648 × 2,736; 4.39 MB
  
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  Fresnel Lens front view.jpg 3,008 × 2,000; 1.44 MB
  
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  Fresnel Lens side view.jpg 3,008 × 2,000; 1.46 MB
  
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  Fresnel lens system of Bengtskar lighthouse.jpg 1,944 × 2,592; 2.26 MB
  
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  Fresnel linsen i Helnes fyr.tif 2,232 × 3,435; 21.97 MB
  
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  Fyrlinse Skagen Fyr.JPG 1,704 × 2,272; 894 KB
  
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  Giant lens (9016477049).jpg 3,280 × 4,573; 7.3 MB
  
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  InubosakiLighthouseFirstLens.JPG 3,000 × 4,000; 5.4 MB
  
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  Kullen light system1.png 380 × 717; 55 KB
  
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  Kullen-linsapparat.jpg 322 × 460; 157 KB
  
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  Lighthouse lantern (Wonder Book of Engineering Wonders, 1931).jpg 1,046 × 1,411; 554 KB
  
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  Lighthouse Lantern - geograph.org.uk - 590553.jpg 480 × 640; 105 KB
  
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  Mihonoseki Lighthouse LB90.jpg 2,500 × 3,390; 3.79 MB
  
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  Norah Head Lighthouse, lens closeup.jpg 2,022 × 2,099; 1.71 MB
  
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  Old lighthouse lamp.jpg 360 × 270; 76 KB
  
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  Phare de la Pointe Saint-Mathieu (lighthouse) (14845794145).jpg 4,526 × 3,327; 7.8 MB
  
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  Point Cabrillo Light - Fritzcat 10.jpg 5,472 × 3,648; 7.8 MB
  
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  Ponce de Leon Inlet Light Station 12.JPG 1,536 × 2,048; 735 KB
  
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  The Baily Optic (7479345672).jpg 4,000 × 3,581; 7.47 MB
  
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  Toledo Harbor Lighthouse Fresnel lens.JPG 2,448 × 3,264; 3.52 MB