neutral density filter 40-20 surface quality high quality optical filter

  • UV Neutral Density Optical Filters

    All UV Neutral Density Optical Filter substrates are highly polished to a <=40-20 scratch & dig surface quality. UV Neutral Density Optical Filters are supplied with a UV Fused Silica cover window that is edge sealed to the Open-faced UV ND Filter. Please refer to the link for more information on covered & edge sealed .

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  • Neutral Density Filter - Foctek

    2020-12-1u2002·u2002(5). Typical surface quality is 80/50, better precision such as 60/40, 40/20, 20/10 is available upon request. (6). Optical density (D) is defined as the base 10 logarithm of the reciprocal of transmittance (T): D=log(1/T) or T=10(-D), Besides the typical optical density listed as above, others are available upon request. *

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  • ARW Optical: Products: Filters

    2015-7-24u2002·u2002Surface Quality: 10-5, 20-10, 40-20, 60-40: Parallelism < 10 arc seconds: Physical Dimensions +/- 0.025mm: Thickness +/-0.025mm: Clear Aperture: greater than 90% : Protective Chamfers: 0-1mm face width x 45°

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  • Wedged N-BK7 Reflective Neutral Density Filters

    2020-11-4u2002·u2002Thorlabs' Wedged Reflective (or Metallic) Neutral Density (ND) Filters provide uniform attenuation over the broad spectral range from 350 - 1100 nm, with optical densities ranging from 0.1 to 4.0. A 30 arcmin wedge on one side of the filter, as shown in …

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  • 1.0 OD 25mm Diameter UV-VIS ND Filter

    32 rowsu2002·u2002TECHSPEC® UV-VIS Reflective Neutral Density Filter Kit. Each kit includes 8 filters in …

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  • A Complete Guide to Neutral Density Filters

    2017-12-24u2002·u2002Variable Neutral Density Filter (VND) — The VND filter gives the photographer the ability to 'dial in' the amount of filtration by turning the outer ring of a dual-ring filter. The maximum and minimum ND rating differ with different filters, but the 2-stop to 8-stop variety are most popular. The advantage of the VND filter is that you ...

    Get Price
  • The best neutral density filters in 2021

    2021-3-17u2002·u2002LEE Filters has long been the go-to brand for uncompromising filter quality, and its latest ProGlass IRND range is said to be the new benchmark in ND performance. Six density options are available, with a typical 2-stop to 10-stop range, but there's also a super-dark 15-stop variant for extremely long exposures.

    Get Price
  • Optical Filters - Sydor Optics

    Sydor Optics has extensive experience manufacturing uncoated filter substrates and colored filter glass. Common optical filters include shortpass, longpass, bandpass, notch and edge with filter coatings suited for the infrared (IR), ultraviolet (UV) and visible (VIS) color spectrums. High …

    Get Price
  • Optical Filter Glass - Schott AG

    Optical filter glass is known for its selective absorption in certain wavelength ranges. The optical filter glasses appear to be colored if their filter effect lies within the visible light spectrum. Filters from SCHOTT have been known for their par - ticularly high quality, purity and outstanding properties for more than 100 years.

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  • Unmounted Absorptive Neutral Density Filters

    2019-7-15u2002·u2002Our absorptive neutral density (ND) filters are available in four sizes with optical densities (OD) ranging from 0.1 to 8.0. Unlike their reflective, metallic counterparts, each ND filter is fabricated from a Schott glass substrate that has been selected for its spectrally flat absorption coefficien

    Get Price
  • Absorptive and Reflective Neutral Density Filter Kits

    2020-8-7u2002·u2002The damage threshold of an NDUV10A Ø25 mm, OD 1.0, reflective neutral density filter is 0.05 J/cm 2 for 10 ns pulses at 355 nm, while the damage threshold of the similar NE10A absorptive filter is 10 J/cm 2 for 10 ns pulses at 532 nm. As described on the previous tab, the LIDT value of an optic scales with the square root of the wavelength in ...

    Get Price
  • Optical Filter - an overview

    J.E. Shelby, in Encyclopedia of Modern Optics, 2005 Introduction. Optical filter and absorbing glasses can be categorized by either the optical behavior of the filter, for example, bandpass, shortpass or longpass, neutral density, or interference filters – or by the method used to filter the light, i.e., glasses which absorb light themselves and those which serve as high quality, transparent ...

    Get Price
  • Unmounted N-BK7 Reflective Neutral Density Filters

    2020-8-3u2002·u2002Thorlabs' Reflective Neutral Density (ND) Filters provide uniform attenuation over the broad spectral range from 350 to 1100 nm. These metallic filters have optical densities ranging from 0.1 to 4.0; refer to the Specs tab above for detailed information about the average transmission obtained w

    Get Price
  • Filters - Optical Components - CVI Laser Optics

    Filters are used to control the wavelength or intensity of light. The incredible breadth of filters available directly from CVI Laser Optics makes it easy to find the right balance between optical performance, laser damage threshold, reliability, and cost for your application.

    Get Price
  • Optical Filters - GoPhotonics

    Optical Filter from Thorlabs Inc. Download Datasheet Request Quote. Description: CY3.5/TXRED Dichroic Filter, Refl. Band = 533-580 nm, Trans. Band = 595-800 nm. Filter Type: Dichroic Filter. Center Wavelength (CWL): 588 nm. Blocking Wavelength: 533 to 580 nm.

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  • Optical Filters - Sydor Optics

    Sydor Optics has extensive experience manufacturing uncoated filter substrates and colored filter glass. Common optical filters include shortpass, longpass, bandpass, notch and edge with filter coatings suited for the infrared (IR), ultraviolet (UV) and visible (VIS) color spectrums. High-volume capabilities.

    Get Price
  • 5.0 OD 25mm Dia., NIR ND Filter

    The combination of high tolerance and broadband performance makes our filters ideal for attenuating a wide range of IR sources. The UV Fused Silica substrate features a low coefficient of thermal expansion and excellent surface quality, making these filters suitable for attenuating low power lasers including lasers at the 1064nm Nd:YAG wavelength.

    Get Price
  • Camera Lens Filters & Filter Sets - K&F Concept UK

    100 * 100mm ND64 (1.8/6 Stops) Optical Glass Neutral Density Gray ND Square Filters. £66.99 £37.73. 44. 100 * 100mm ND64 (1.8/6 Stops) Optical Glass Neutral Density Gray ND Square Filters. - ★【Function】★: K&F Concept square ND64 filter can reduce the light entering your lens by 6 stops; Ideal for low-light conditions.

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  • Amazon.com: ZOMEI Square PRO 100100mm 10 Stop

    Neutral Density Filters are often used to achieve motion blur effects with slow shutter speeds. High Quality Square 100x100mm Optical Glass Neutral Density Filter ND 3.0 1000X ZOMEI Neutral Density filters are constructed from high quality optical glass for increased optical clarity and color fidelity. Eliminates overly bright, washed-out images.

    Get Price
  • Ni030 Neutral Density Filter - Low Reflectivity 50% ...

    These filters include identical male and female threads on either end so that they can be stacked with other ND filters to achieve various optical densities. Useful Range : 400-2000nm. Optical Density : 0.3. Average Transmission: 50%. Tolerance : +/- 5.00%. Surface Quality : 40/20…

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  • IR-CUT 4-stop ND Filter

    Features. 1.1mm German Schott® B270 optical crown glass. 4-stop (ND16) Neutral Density Filter for long exposure photography. It's examined by color cast test in the mode of 18%-grey WB, and got Zero-Color-Cast result. The quality of glass surface flatness is up to 20/40, which is suitable for high …

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  • Mounted Absorptive Neutral Density Filters

    2017-1-18u2002·u2002Thorlabs' Mounted Absorptive Neutral Density (ND) Filters are available with optical densities (OD) ranging from 0.1 to 8.0. They are offered in diameters of 1/2', 25 mm, and 2', which come mounted in SM05- (0.535'-40), SM1- (1.035'-40), or SM2-threaded (2.035'-40) lens tubes, respectively. These housings are engraved with both the part number ...

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  • ARW Optical: Products: Filters

    2015-7-24u2002·u2002Surface Quality: 10-5, 20-10, 40-20, 60-40: Parallelism < 10 arc seconds: Physical Dimensions +/- 0.025mm: Thickness +/-0.025mm: Clear Aperture: greater than 90% : Protective Chamfers: 0-1mm face width x 45°

    Get Price
  • Unmounted N-BK7 Reflective Neutral Density Filters

    2020-8-3u2002·u2002Thorlabs' Reflective Neutral Density (ND) Filters provide uniform attenuation over the broad spectral range from 350 to 1100 nm. These metallic filters have optical densities ranging from 0.1 to 4.0; refer to the Specs tab above for detailed information about the …

    Get Price
  • A Complete Guide to Neutral Density Filters

    Variable Neutral Density Filter (VND) — The VND filter gives the photographer the ability to 'dial in' the amount of filtration by turning the outer ring of a dual-ring filter. The maximum and minimum ND rating differ with different filters, but the 2-stop to 8-stop variety are most popular. The advantage of the VND filter is that you ...

    Get Price
  • Optical Filters - Sydor Optics

    Sydor Optics has extensive experience manufacturing uncoated filter substrates and colored filter glass. Common optical filters include shortpass, longpass, bandpass, notch and edge with filter coatings suited for the infrared (IR), ultraviolet (UV) and visible (VIS) color spectrums. High …

    Get Price
  • The best neutral density filters in 2021

    2021-3-17u2002·u2002LEE Filters has long been the go-to brand for uncompromising filter quality, and its latest ProGlass IRND range is said to be the new benchmark in ND performance. Six density options are available, with a typical 2-stop to 10-stop range, but there's also a super-dark 15-stop variant for extremely long exposures.

    Get Price
  • Amazon.com: ZOMEI Square PRO 100100mm 10 Stop Ultra Slim ...

    Neutral Density Filters are often used to achieve motion blur effects with slow shutter speeds. High Quality Square 100x100mm Optical Glass Neutral Density Filter ND 3.0 1000X ZOMEI Neutral Density filters are constructed from high quality optical glass for increased optical clarity and color fidelity. Eliminates overly bright, washed-out images.

    Get Price
  • Understanding Surface Quality: A Practical Guide

    Surface quality has become one of the most poorly understood specifications in the optics industry. A significant portion of the confusion stems from the two major competing (and largely incompatible) standards, Mil-PRF-13830B, and ISO 10110.

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  • Neutral Density Filter, 0.04 Optical Density, 1.0 in. Diameter

    The 5230 Neutral Density Filter is made with an Inconel® metallic coating on a glass substrates. This 1.0 inch (25.4 mm) diameter ND filter provides 0.04 OD spectrally uniform attenuation over the wavelength range from 400 to 2000 nm. The reflective nature of the coating helps reduce thermal effects when this filters are used with moderate ...

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  • Neutral Density ND Filters

    ND Filters. A neutral density filter (ND filter) is a filter of uniform density that attenuates light of all colors equally. An ND filter is used to allow a longer exposure (to create blur) or larger aperture (for selective focus) than otherwise required for correct exposure in the prevailing light conditions, without changing the tonal balance of the photograph.

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  • Interference Filter - Foctek

    2020-12-1u2002·u2002Typical surface quality is 80/50, better precision such as 60/40, 40/20 is available upon request. (7). Wavelength is various due to different applications, …

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  • Optical Filter - an overview

    J.E. Shelby, in Encyclopedia of Modern Optics, 2005 Introduction. Optical filter and absorbing glasses can be categorized by either the optical behavior of the filter, for example, bandpass, shortpass or longpass, neutral density, or interference filters – or by the method used to filter the light, i.e., glasses which absorb light themselves and those which serve as high quality, transparent ...

    Get Price
  • Camera Lens Filters & Filter Sets - K&F Concept UK

    - 【PREMIUM GLASS】 Neutral density filter offers reduction is made with high quality Japan Optics glass. superfine polishing for maximum resolution and quality. Optical definition much higher than resin. - 【Anti-glaring】 Both sides with anti-reflective coating, to …

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  • Best ND filters: the 8 best choices for creative ...

    2020-8-13u2002·u2002The Kenko REALPRO ND 1000 is a circular screw-in 10-stop filter that's available in a wide range of popular sizes, including 49mm, 52mm, 55mm, …

    Get Price
  • Optical Filter Glass - Schott AG

    Optical filter glass is known for its selective absorption in certain wavelength ranges. The optical filter glasses appear to be colored if their filter effect lies within the visible light spectrum. Filters from SCHOTT have been known for their par - ticularly high quality, purity and outstanding properties for …

    Get Price
  • The Only Lens Filter Guide You'll Ever Need

    2019-3-19u2002·u2002Here are some high-quality GND filters for your perusal: LEE Filters 100 x 150mm Hard Graduated Neutral Density 0.6 Filter (2-Stops) Price: $113. Details: Made from durable optical resin, includes a filter pouch. Vu Filters 100 x 150mm Sion Q 2.5-Stop Soft-Edge Graduated Neutral Density Filter. Price: $80 at B&H. Details: Multi-coating, German ...

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  • UV Filters, Glass filters for Blocking or Passing UV - JNS ...

    UV Filters from JNS Glass & Coatings are designed for precise UV Control. JNS offers numerous UV Filters for absorbing, reflecting and also passing UV. Large format sheet size up to 48' x 68'. Any size custom optics including concave lenses. Bandpass filters for blocking or passing specific bandwidths. Custom substrates, thicknesses and sizes.

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  • The best polarizing filters in 2021

    2021-9-23u2002·u2002The PRO1 filter is noticeably good quality, with a lightweight build and a black matte almite frame. The black rimmed glass also decreases the chance of light reflecting off the edge. We were also a fan of the fact that the filter comes with a UV protected case, which is designed to lengthen the life of the filter.

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  • Band Pass Filter

    HIGH QUALITY OPTICAL COATING TECHNOLOGY. HIGH QUALITY OPTICAL COATING TECHNOLOGY ... Welding Filter; Band Pass Filter; Fluorescence Filter; Beam Splitter; Edge Filter; Mirror; Neutral Density Filter; DLC Coating; Thin Film Metallization. Pattern Wafer; ... 20 ± 2 35 ± 3.5: 40 40 50 50 50 60 40 40 50 60 30 50 40 50 40 40 50 60 60 30 45 40. 50 ...

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  • ND Filters

    A graduated neutral density filter is suitable for balancing light exposure for a scene with a bright background and a darker foreground. Use it to shoot horizons and sunsets so that the dark part shades bright skies. Besides graduated and solid neutral density filters, you can also use a variable filter to adjust ambient scene lighting. This ...

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  • Optical Filters » Artifex Engineering

    A transmission of 0.1% corresponds to an optical density of 4 and a transmission of 10% to an optical density of 1. Different types of filters can be produced by the interference layers. The highest possible attenuation over a broadband wavelength range can be achieved by using neutral density filters.

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  • Best ND filters: the 8 best choices for creative ...

    2020-8-13u2002·u2002The Kenko REALPRO ND 1000 is a circular screw-in 10-stop filter that's available in a wide range of popular sizes, including 49mm, 52mm, 55mm, …

    Get Price
  • Optical Filter Glass - Schott AG

    Optical filter glass is known for its selective absorption in certain wavelength ranges. The optical filter glasses appear to be colored if their filter effect lies within the visible light spectrum. Filters from SCHOTT have been known for their par - ticularly high quality, purity and outstanding properties for …

    Get Price
  • Optical Filters and Coatings - Alluxa ULTRA Series

    2021-10-8u2002·u2002ULTRA Series optical filters and coatings are specifically designed to be integrated into the most sophisticated instruments used in biotechnology, remote sensing, telecommunications, chemical engineering, robotics, and a variety of other fields. Each optical filter or thin-film coating can be custom designed to provide precision transmission ...

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  • UV Filters, Glass filters for Blocking or Passing UV - JNS ...

    UV Filters from JNS Glass & Coatings are designed for precise UV Control. JNS offers numerous UV Filters for absorbing, reflecting and also passing UV. Large format sheet size up to 48' x 68'. Any size custom optics including concave lenses. Bandpass filters for blocking or passing specific bandwidths. Custom substrates, thicknesses and sizes.

    Get Price
  • Optical Filters - an overview

    J.E. Shelby, in Encyclopedia of Modern Optics, 2005 Introduction. Optical filter and absorbing glasses can be categorized by either the optical behavior of the filter, for example, bandpass, shortpass or longpass, neutral density, or interference filters – or by the method used to filter the light, i.e., glasses which absorb light themselves and those which serve as high quality, transparent ...

    Get Price
  • The Only Lens Filter Guide You'll Ever Need

    2019-3-19u2002·u2002Here are some high-quality GND filters for your perusal: LEE Filters 100 x 150mm Hard Graduated Neutral Density 0.6 Filter (2-Stops) Price: $113. Details: Made from durable optical resin, includes a filter pouch. Vu Filters 100 x 150mm Sion Q 2.5-Stop Soft-Edge Graduated Neutral Density Filter. Price: $80 at B&H. Details: Multi-coating, German ...

    Get Price
  • Optical filters, explained by RP Photonics Encyclopedia ...

    Various kinds of optical filters are based on interference effects, combined with wavelength-dependent phase shifts during propagation. Such filters – called interference filters – exhibit wavelength-dependent reflection and transmission, and the light which is filtered out can be sent to some beam dump, which can tolerate high optical powers.. An important class of interference-based ...

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  • Unmounted Absorptive Neutral Density Filters

    2019-7-15u2002·u2002Our absorptive neutral density (ND) filters are available in four sizes with optical densities (OD) ranging from 0.1 to 8.0. Unlike their reflective, metallic counterparts, each ND filter is fabricated from a Schott glass substrate that has been selected for its spectrally flat absorption coefficien

    Get Price
  • Absorptive and Reflective Neutral Density Filter Kits

    2020-8-7u2002·u2002The damage threshold of an NDUV10A Ø25 mm, OD 1.0, reflective neutral density filter is 0.05 J/cm 2 for 10 ns pulses at 355 nm, while the damage threshold of the similar NE10A absorptive filter is 10 J/cm 2 for 10 ns pulses at 532 nm. As described on the previous tab, the LIDT value of an optic scales with the square root of the wavelength in ...

    Get Price
  • Optical Filter - an overview

    J.E. Shelby, in Encyclopedia of Modern Optics, 2005 Introduction. Optical filter and absorbing glasses can be categorized by either the optical behavior of the filter, for example, bandpass, shortpass or longpass, neutral density, or interference filters – or by the method used to filter the light, i.e., glasses which absorb light themselves and those which serve as high quality, transparent ...

    Get Price
  • Unmounted N-BK7 Reflective Neutral Density Filters

    2020-8-3u2002·u2002Thorlabs' Reflective Neutral Density (ND) Filters provide uniform attenuation over the broad spectral range from 350 to 1100 nm. These metallic filters have optical densities ranging from 0.1 to 4.0; refer to the Specs tab above for detailed information about the average transmission obtained w

    Get Price
  • Filters - Optical Components - CVI Laser Optics

    Filters are used to control the wavelength or intensity of light. The incredible breadth of filters available directly from CVI Laser Optics makes it easy to find the right balance between optical performance, laser damage threshold, reliability, and cost for your application.

    Get Price
  • Optical Filters - GoPhotonics

    Optical Filter from Thorlabs Inc. Download Datasheet Request Quote. Description: CY3.5/TXRED Dichroic Filter, Refl. Band = 533-580 nm, Trans. Band = 595-800 nm. Filter Type: Dichroic Filter. Center Wavelength (CWL): 588 nm. Blocking Wavelength: 533 to 580 nm.

    Get Price
  • Optical Filters - Sydor Optics

    Sydor Optics has extensive experience manufacturing uncoated filter substrates and colored filter glass. Common optical filters include shortpass, longpass, bandpass, notch and edge with filter coatings suited for the infrared (IR), ultraviolet (UV) and visible (VIS) color spectrums. High-volume capabilities.

    Get Price
  • 5.0 OD 25mm Dia., NIR ND Filter

    The combination of high tolerance and broadband performance makes our filters ideal for attenuating a wide range of IR sources. The UV Fused Silica substrate features a low coefficient of thermal expansion and excellent surface quality, making these filters suitable for attenuating low power lasers including lasers at the 1064nm Nd:YAG wavelength.

    Get Price
  • Camera Lens Filters & Filter Sets - K&F Concept UK

    100 * 100mm ND64 (1.8/6 Stops) Optical Glass Neutral Density Gray ND Square Filters. £66.99 £37.73. 44. 100 * 100mm ND64 (1.8/6 Stops) Optical Glass Neutral Density Gray ND Square Filters. - ★【Function】★: K&F Concept square ND64 filter can reduce the light entering your lens by 6 stops; Ideal for low-light conditions.

    Get Price
  • Amazon.com: ZOMEI Square PRO 100100mm 10 Stop

    Neutral Density Filters are often used to achieve motion blur effects with slow shutter speeds. High Quality Square 100x100mm Optical Glass Neutral Density Filter ND 3.0 1000X ZOMEI Neutral Density filters are constructed from high quality optical glass for increased optical clarity and color fidelity. Eliminates overly bright, washed-out images.

    Get Price