Best Optical Thin Filter

SVBONY SV132 Telescope Filter H-Beta Filter 25nm 1.25 inches Eyepiece Filter for Horsehead Nebula California and Cocoon Nebulae in Dark Skies

SV132 H-Beta eyepiece filter makes it possible to view the elusive Horsehead, California, and Cocoon Nebulas in dark skies.
Great used with a moderate to large aperture telescope and clear dark skies.
Optical high precision double side polishing.
Filter substrate is fine-optically polished to 1/4 wave and.
Precision double-sided optical coatings improve transmission and cut-off depth.
Executes with a transmission of over 90% and completely rejects light pollution.
High value transmission of pass-band and optical density of off-band is assured through planetary rotation system, a homogenous and precise coating procedure.
The high optical quality of SV132 filters guarantees no loss in sharpness or contrast.
Filter with metal mount 1.25" filter threads.
Threaded to fit 1.25" eyepieces and threaded diagonal barrels.

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SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion OBS. 70 & Astroview 90, Orion Explorer 90

108mm .25" SolarLite Filter for 90mm .50" instruments. This filter should fit the following models: C-90, ETX 90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Exployer 90 and instruments of similar outer diameter. Part # S4250..
Please read carefully: 108mm .25" is the diameter of the filter. The filter fits like a cap by friction. To be absolutely sure that the filter will fit, please measure the outer diameter of your instrument and make sure that it is not larger..
SolarLite filters have the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). The sun will appear in a natural yellow-orange color when viewed through your telescope using this filter..
This is a high quality product of Thousand Oaks Optical (Arizona), a manufacturer of safe solar filters for over 30 years. Words of the producer: "stronger than any other solar film on the market. Guaranteed 15 years.".
WARNING: ALWAYS MAKE SURE THE FILTER IS WELL ATTACHED TO THE TELESCOPE/BINOCULARS/CAMERA. IN CASE NECESSARY, USE STICKY TAPE TO SECURE IT. NEVER OBSERVE SUN WITHOUT A PROPERLY ATTACHED FILTER!.

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K&F Concept 40.5mm Neutral Density Filter, 40.5mm Slim Variable Fader ND Filter Adjustable ND2 to ND400 Filter + Cleaning Cloth

Wider outer optic to help reduce vignetting at wide angles,Made of high quality optical glass by K&F Concept technology.
The K&F Concept Variable 40.5 mm ND filter can take the place of a range of graded ND filters which saves money and time.
This Variable Density filter is an especially useful tool when creating motion blur in moving water such as waterfalls, rivers and crashing waves.
Low Profile Frame. Ultra Thin Frames to help avoid vignetting on super wide angle lenses..
Brand of K&F Concept manufactured by a professional team.

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K&F Concept 43mm UV/CPL/ND Lens Filter Kit 3 Pieces -18 Multi-Layer Coatings UV Filter + Polarizer Filter + Neutral Density Filter ND4 + Cleaning Cloth+ Filter Pouch for Camera Lens K-Series

【Kit Includes】The K&F Concept optical glass professional photography lens filter kit including UV filter + CPL polarizer filter + netural density filter (ND4) + filter pouch + microfiber cleaning cloth.
【Import Optical Glass】All filters made by Import Japanese optical glass with 18 layers of nanometer coatings, high anti-reflectivity to ensure image real color and quality, and CNC frame design increasing friction can easily install and remove the filter..
【Cleaning Cloth & Filter Pouch】Microfiber cleaning cloth with no static electricity, great for cleaning dusty in lens and cameras, the filter pouch can hold 3 filters, easy for carrying..
【Filter Fuction】UV filter for lens protection and prevent the UV ray effect for the image quality. A circular polarizing filter for color and contrast enhancement, remove the glare from non-metallic surfaces, such as water and glass. ND4 filter provides 2-stop light reduction, recommended for cloudy day use..
【NOTE】This K&F Concept filters kit is compatible with all 43mm lenses. Please verify your camera's lens thread size before ordering. This number is always beside a "Ø" (diameter) symbol..

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K&F Concept 100x150mm Square Soft GND8 3 Stop Soft Graduated Neutral Density Filter with 28 Multi-Layer Coatings Waterproof/Scratch Resistant/Anti-Glaring

Sofit graduated ND8(3 stop) filter made by Japanese optical AGC galss,increased optical clarity and color fidelity..
K&F Concept soft GND8 filter neutral density adopts exclusive research and development gradual coating, the light from ultra violet to near-infrared light can pass through evenly..
28 Multi-layer nanometer coatings technology, waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens..
Double sides optical grinding and polishing to make sure the optical high parallelism and smooth to ensure the high sharpness of image..
Reduce exposure in Selective Area (the light is big different between the ground and sky),It could fit to Lee Filter Holder and Cokin's Z Series Filter holder..

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Gzikai 650nm 10mmx1mm UV AR IR Cut Filter AR/IR Optical Blocking Glasses Filter for Camera Camcorder Lens

Package Included: 1PCS 10mm Optical UV AR-IR CUT filter..
Excellent optical quality.UV IR-AR 10mm filter is applied to block Ultraviolet Rays,Infrared Rays..
The optical low-pass filter is processed by special coating film..
The product is suitable for CCTV lens,security camera,driving recorder,digital camera,video door phone,video door bell,digital telescope,visual access control equipment,etc..
Scratches, damage or losing your filter are always a possibility with any camera when changing lenses on the go. Get the best image results from your sports camera with new replacement filters! These 650nm filters block infrared from reaching the sensor so color is crisp and accurate..

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NEEWER 82mm MRC UV Protection Filter 30 Layer Multi Resistant Nano Coatings/HD Optical Glass/Water Repellent/Scratch Resistant/Aluminum Alloy Ultra Slim Frame/Ultraviolet Filter

【Protective UV Filter】 This UV filter reduces haze and minimizes ultraviolet (UV) rays while improving contrast. Perfect for capturing high altitude and snow photos without the bluish cast. Keep this filter on your lens to protect against dust, scratches, and bumps.
【High-Quality Optical Glass】 The quality optical glass protects your lens from dirt, scratches, fingerprints, and unexpected damage.
【Nano-Coatings】 Featuring 30 layers of optical coatings and a light transmittance of up to 99.8% (and a minimum light reflectance of less than 0.1%), the multicoated UV filter blocks out ultraviolet rays ranging from 300nm to 410nm to reduce flare and ghosting while ensuring accurate color rendition. The coatings are also anti-static, oil-resistant, water-repellent, and scratch-resistant.
【Strong Lens Frame】 Made of aluminum-magnesium alloy, the filter frame is strong and durable. With precision manufacturing and a matte black anodized finish, the screw-on filter is easy to use and has less reflections from the metal filter frame. The 0.22”/5.5mm thick filter measures only 0.14”/3.5mm in depth when screwed on your lens to avoid lens vignetting—ideal for wide-angle lens and telephoto lens.
【Compatibility】 Compatible with all 82mm lenses.....

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NEEWER 58mm MRC UV Protection Filter 30 Layer Multi Resistant Nano Coatings/HD Optical Glass/Water Repellent/Scratch Resistant/Aluminum Alloy Ultra Slim Frame/Ultraviolet Filter

【Protective UV Filter】 This UV filter reduces haze and minimizes ultraviolet (UV) rays while improving contrast. Perfect for capturing high altitude and snow photos without the bluish cast. Keep this filter on your lens to protect against dust, scratches, and bumps.
【High-Quality Optical Glass】 The quality optical glass protects your lens from dirt, scratches, fingerprints, and unexpected damage.
【Nano-Coatings】 Featuring 30 layers of optical coatings and a light transmittance of up to 99.8% (and a minimum light reflectance of less than 0.1%), the multicoated UV filter blocks out ultraviolet rays ranging from 300nm to 410nm to reduce flare and ghosting while ensuring accurate color rendition. The coatings are also anti-static, oil-resistant, water-repellent, and scratch-resistant.
【Strong Lens Frame】 Made of aluminum-magnesium alloy, the filter frame is strong and durable. With precision manufacturing and a matte black anodized finish, the screw-on filter is easy to use and has less reflections from the metal filter frame. The 0.22”/5.5mm thick filter measures only 0.14”/3.5mm in depth when screwed on your lens to avoid lens vignetting—ideal for wide-angle lens and telephoto lens.
【Compatibility】 Compatible with all 58mm lenses.....

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NEEWER 43mm MRC UV Protection Filter 30 Layer Multi Resistant Nano Coatings/HD Optical Glass/Water Repellent/Scratch Resistant/Aluminum Alloy Ultra Slim Frame/Ultraviolet Filter

【Protective UV Filter】 This UV filter reduces haze and minimizes ultraviolet (UV) rays while improving contrast. Perfect for capturing high altitude and snow photos without the bluish cast. Keep this filter on your lens to protect against dust, scratches, and bumps.
【High-Quality Optical Glass】 The quality optical glass protects your lens from dirt, scratches, fingerprints, and unexpected damage.
【Nano-Coatings】 Featuring 30 layers of optical coatings and a light transmittance of up to 99.8% (and a minimum light reflectance of less than 0.1%), the multicoated UV filter blocks out ultraviolet rays ranging from 300nm to 410nm to reduce flare and ghosting while ensuring accurate color rendition. The coatings are also anti-static, oil-resistant, water-repellent, and scratch-resistant.
【Strong Lens Frame】 Made of aluminum-magnesium alloy, the filter frame is strong and durable. With precision manufacturing and a matte black anodized finish, the screw-on filter is easy to use and has less reflections from the metal filter frame. The 0.22”/5.5mm thick filter measures only 0.14”/3.5mm in depth when screwed on your lens to avoid lens vignetting—ideal for wide-angle lens and telephoto lens.
【Compatibility】 Compatible with all 43mm lenses.....

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