Polarizing Filter
Polarized Sunglasses and Fishing
Eyes have always been considered the gateway to one’s soul. History shows us that sunglasses were not always used to protect people’s eyes from the sun. There is evidence that early sunglasses were used in ancient China and Rome. The Roman Emperor Nero enjoyed watching gladiators through polished gems. In China, sunglasses are believed to have been used before the 12th century. Originally sunglass lenses were made out of flat panes of smoky quartz. These glasses were used by Chinese judges to hide their facial expressions while interrogating witnesses.
Until about the eighteenth century sunglasses did not undergo any further changes until James Ayscough, while apprenticed to an optician named James Mann, looked at ways to improve glasses. He experimented with tinted glass and glass polarized. From there, sunglasses underwent changes leading to what we call sunglasses today. Sam Foster introduced them to America in 1929 designed to protect people’s eyes from the sun. In 1936 Edwin Land discovered that lenses can be polarized. He patented his process of making sunglasses with polarized optics and called it a Polaroid filter. From this original process polarized sunglasses have continued to evolve and become more refined.
When the sun shines on snow, water or any other reflective surfaces, the reflected light becomes polarized. This means that most, although not all, of the reflected light waves move in one single plane. Normal light moves in many planes but polarized lenses allow only light in one plane to pass through the lens to your eye. This eliminates much of the glare.
Although light from the sun is not polarized, when it is reflected by the surface of a standing body of water it is separated into two polarized components that are reflected and transmitted in different amounts. In most cases more of the horizontal component will be reflected than the vertical component. This reflected light is said to be partially polarizing. A lens that is vertically polarized can then be used to help eliminate the glare. There are a number of variables that can affect the degree of polarization and the effectiveness of polarized sunglasses such as the height of the sun. However, polarized sunglasses will not eliminate all reflected light. They can only eliminate some of the reflected light that helps reduce the glare.
Fishermen that wear sunglasses that have polarized filters to help block the light reflected by the waters surface can see under the water’s surface to where the fish are hiding.
Certain relatively flat surfaces, such as water, reflect a lot of light resulting in bright spots and glare that can be quite distracting and even hide underwater objects (such as fish). A good pair of polarized sunglasses can almost completely eliminate this kind of glare. Polarization can occur either naturally or artificially. Natural polarization can be seen any time you look at a large body of water like a lake or river. The glare off of the surface of the water is the light that doesn’t get absorbed by the water but is reflected. This is the reason you often cannot see anything below the surface, even if the water is clear, without polarized sunglasses.
Horizontally polarized light results when light strikes the surface of the water. That is why you can’t see anything but the glare on the water. Polarized lenses in sunglasses are designed in a way that only allows vertically polarized light to enter and eliminates the horizontal light component. Polarized sunglasses allow an angler to see into the water spotting fish and structure where fish can hide.
There is a difference between polarized sunglasses and normal sunglasses. Basically, normal sunglasses decrease the intensity of all light that passes through the lenses. While polarized sunglasses decrease the same light, they also do it selectively by eliminating the reflection from the light coming from the water’s surface. This becomes critical in deciding how to choose a pair of sunglasses.
About the Author
Steve writes about items of interest for both you and himself. For more great information about vision care and how to protect your eyes, be sure to visit www.sunglasspolarized.com and www.stattcomposites.com
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NEW Vivitar VIV-CPL-77 Polarizer Filter $13.24 |
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Leica Circular Polarizer Series VIII 13372 – EXCELLENT CONDITION BOX & CASE $129.95 |
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82mm Circular Polarizer Filter $39.39 |
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Tiffen filter set WARM AND CIR. POLARIZER $59.95 |
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Vivitar 52mm Polarizing Filter Estate Find Used Free Economy Shipping $15.00 |
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Opteka 86mm Multi-Coated Circular Polarizing CPL Filter $19.95 |
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Opteka 95mm Multi-Coated Circular Polarizing CPL Filter $24.95 |
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Opteka 82mm Multi-Coated Circular Polarizing CPL Filter $19.95 |
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Opteka 72mm Multi-Coated Circular Polarizing CPL Filter $17.95 |
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Opteka 62mm Multi-Coated Circular Polarizing CPL Filter $17.95 |
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Sakar 34mm Polarizer Filter – Metal Rim & Glass $19.99 |
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Opteka 67mm Multi-Coated Circular Polarizing CPL Filter $17.95 |
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Digital Concepts 52mm 3-Piece Polarizer/UV/FL-D Filt… $13.39 |
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Opteka 58mm Multi-Coated Circular Polarizing CPL Filter $14.95 |
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Opteka 55mm Multi-Coated Circular Polarizing CPL Filter $14.95 |
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Opteka 49mm Multi-Coated Circular Polarizing CPL Filter $14.95 |
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VIVITAR SERIES-1 52MM CPL CIRCULAR POLARIZER FILTER C-PL CRPL NEW $6.90 |
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Opteka 37mm Multi-Coated Circular Polarizing CPL Filter $12.95 |
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Opteka 34mm Multi-Coated Circular Polarizing CPL Filter $12.95 |
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Opteka 30.5mm Multi-Coated Circular Polarizing Filter $12.95 |
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Opteka 30mm Multi-Coated Circular Polarizing CPL Filter $12.95 |
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STAR-D Skybolt 55mm LINEAR THIN POLARIZER FILTER- BRAND NEW 55 $0.99 |
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Opteka 28mm Multi-Coated Circular Polarizing CPL Filter $12.95 |
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Opteka 27mm Multi-Coated Circular Polarizing CPL Filter $12.95 |
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Opteka 25mm Multi-Coated Circular Polarizing CPL Filter $12.95 |
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VIVITAR SERIES-1 55MM CPL CIRCULAR POLARIZER FILTER C-PL CRPL NEW $7.95 |
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Opteka 105mm Multi-Coated Circular Polarizing Filter $29.95 |
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Tiffen 58mm Circular Polarizer Filter + UV Filter + More For Canon EF 70-300mm $49.95 |
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VIVITAR SERIES-1 58MM CPL CIRCULAR POLARIZER FILTER C-PL CRPL NEW $6.90 |
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Digital Concepts 25mm 3-Piece Polarizer/UV/FL-D Filt… $29.99 |
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Prinz 62mm Circular Polarizer Filter NEW $9.95 |
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Sakar 30.5mm 3-Piece Polarizer/UV/F-DL Filter Kit Me… $14.49 |
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Hoya 67mm DMC PRO1 Digital Circular Polarizer Glass Filter for Canon 70-200mm $69.95 |
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49MM POLARIZER AND SKY 1-A FILTERS $9.92 |
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58MM TIFFEN POLARIZER FILTER WITH BOX $9.92 |
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55MM POLARIZING FILTER WITH 55MM METAL LENS HOOD $14.92 |
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Polarizer Filter for Pentax K1000 ME SUPER Program KM $19.19 |
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Gehmann M18/M22 Foresight Polariser screen Light Ctrl $36.01 |
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Gehmann M18/M22 Foresight Polariser screen Light Ctrl $36.01 |
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VIVITAR SERIES-1 72MM CPL CIRCULAR POLARIZER FILTER C-PL CRPL NEW $7.99 |
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77mm Circular Polarizing Lens Camera Filter For Canon EOS(SLR) $12.74 |
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1 RocketFish 52mm Circular Camera Polarizer RF-CP52 $24.35 |
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DAMAGE POLARIZER DP04-EN029 YU-GI-OH DUELIST PACK – ZANE UNLIMITED UR $1.00 |
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DAMAGE POLARIZER DP04-EN029 YU-GI-OH DUELIST PACK – ZANE 1ST EDITION UR $2.95 |
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Hoya S49PLFADGB 49mm Polarizer-Fader Lens Filter $24.95 |
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62mm CPL Circular Polarizing Filter Polarizer 62 mm $9.99 |
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62MM CPL CIRCULAR POLARIZING LENS FILTER FREE SHIPPING $9.99 |
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B+W 77mm Circular Polarizer F-Pro $55.99 |
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VIVITAR SERIES-1 82MM CPL CIRCULAR POLARIZER FILTER C-PL CRPL NEW $9.95 |
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B+W Circular Polarizer Polarizing CPL Filter 62mm…NEW $77.97 |
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VIVITAR SERIES-1 86MM CPL CIRCULAR POLARIZER FILTER C-PL CRPL NEW CANON NIKON $11.99 |
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NEW! Hoya HMC Coated Circular Polarizer Filter 58 58mm $80.90 |
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P80 New 55mm Filter Kit UV + CPL Polarizing FOR Sony Alpha Camera A200 A230 $8.99 |
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ELECTRONICS ROCKETFISH 55MM CAMERA CAMCORDER OPTICALS CIRCULAR POLARIZER FILTER $2.99 |
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Promaster Spectrum 7 – 72mm P.L – Polarizing filter. Linear Excellent condition $21.90 |
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VIV-FK3-37 UV CPL ULTRAVIOLET CIRCULIZER POLARIZER $14.99 |
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37mm FILTER KIT UV CPL F ULTRAVIOLET CIRCULAR POLARIZER $14.99 |
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37mm FILTER SET UV CPL ULTRAVIOLET CIRCULIZER POLARIZER $14.99 |
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VIVITAR 52MM MULTI-COATED CIRCULAR POLARIZER MC CPL FILTER C-PL CRPL CIR-PL VIV $11.95 |
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B+W Circular Polarizer Polarizing CPL Filter 58mm…NEW $73.09 |
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Hoya 52mm Circular Polarizer Glass Filter B52CRPLGB For Canon 50m f1.8 $38.85 |
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VIVITAR 55MM MULTI-COATED CIRCULAR POLARIZER MC CPL FILTER C-PL CRPL CIR-PL VIV $8.99 |
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* Heliopan (707241) 72 mm Circular Polarizing Filter $119.00 |
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ZEIKOS 82mm CPL CIRCULAR POLARIZER FILTER ZE-CPL82 $16.99 |
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Circular Polarizer for Cokin P series NEW! $19.99 |
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Top Brand FILP77 Linear Polarizing Filter 77mm NEW $34.95 |
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46mm POLARIZER Polarized PL + UV + ND4 Neutral Density CAMERA FILTER Kit LENS $22.99 |
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Meking 58mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus $4.99 |
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VIVITAR 58MM MULTI-COATED CIRCULAR POLARIZER MC CPL FILTER C-PL CRPL CIR-PL VIV $11.95 |
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VIVITAR 62MM MULTI-COATED CIRCULAR POLARIZER MC CPL FILTER C-PL CRPL CIR-PL VIV $13.95 |
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Tiffen (58CP) 58 mm Filter Circular Polarizer $5.00 |
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Tiffen 40.5mm Circular Polarizer **AUTHORIZED TIFFEN USA DEALER** $35.95 |
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Hoya 67mm Pro1-D CPL Circular Polarizer Filter C-PL 67 $78.90 |
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VIVITAR 72MM MULTI-COATED CIRCULAR POLARIZER MC CPL FILTER C-PL CRPL CIR-PL VIV $17.95 |
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CA PIXCO 55MM CPL Circular Polarizer Filter EOS Nikon $5.00 |
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ZE-CPL37 CPL C-PL Circular Polarizing Filter Lens $8.99 |
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Zhumell 1.25″ Polarizing Telescope Eyepiece Filter – NEW $14.99 |
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ZE-CPL49 Circular Polarizer/Polarizing Filter 49mm $9.99 |
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Hoya XEV49CPL 49mm EVO SMC Super Multi-Coated Circular Polarizer glass Filter $89.90 |
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Hoya XEV52CPL 52mm EVO (SMC) Super Multi-Coated Lp Circular Polarizer Filter $90.90 |
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Hoya A49CRPL 49mm Circular Polarizer (HMC) Multi-Coated Filter $46.97 |
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UV Polarizer FLD Filter Kit for Canon Vixia HF20 HF200 $34.34 |
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Men’s Sunglasses real polarizer UV 400 protection eyewear with case PM032 $7.83 |
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NEW Sony VF-30CPKB Filter Kit – Polarizer, Protection F $48.42 |
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52mm Polarizer CPL Filter FOR Nikon,Pentax 18-55mm lens $8.94 |
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Tiffen 77mm Circular Polarizer Polarizing Lens Filter $68.95 |
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~*NEW! ULTRA RARE Damage Polarizer DP04-EN02 YuGiOh*~ $7.95 |
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Tocad Circular Polarizer C-POL (CF7063CP) 77 mm Filter $35.00 |
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Flower/Petal Lens Hood + CPL Polarizing Filter SLR 55mm $7.59 |
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Hoya 62mm Circular Polarizer CPL PL-CIR C-PL Filter $49.99 |
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NEW 46mm CIRCULAR POLARIZER FILTER $19.19 |
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Hoya 72mm HRT C-PL Circular Polarizer / UV Filter Lens $77.95 |
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Hoya 55mm Circular Polarizer CPL PL-CIR C-PL Filter $31.99 |
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46mm Polarizing Filter High Resolution 46 MM Polarizer $5.59 |
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Hoya 77mm Polarizer HD Hardened Glass 8-layer Filter XHD77CRPL $114.00 |
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67mm CPL CIRCULAR POLARIZER FILTER for 67mm lens $9.99 |
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AS29 New 55mm Filter Kit UV + CPL Polarizing FOR Sony Alpha Camera A200 A230 $8.99 |
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Polaroid Filter Kit Lens 77mm (UV, CPL, FLD) POLARIZER $22.99 |
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49MM Filter LENS Kit UV, FDL & Circular Polarizer CPL $12.99 |
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46mm CPL Polarizing Filter High Resolution Polarizer ZE-CPL46 $9.99 |
