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MidOpt Polarising Filters

MidOpt Polarising Filters can be easily and securely mounted to your lens and light source for maximum glare reduction. Contrast ratios average up to 10,000:1. Exceptional surface quality; 40/20 scratch/dig. Linear, circular and wire grid polarisers are available

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Polarisers are designed to reduce specular glare by passing only the light polarised in the direction perpendicular to the reflected light (glare). In addition, they help improve contrast, increase colour saturation and detect imperfections in transparent materials. MidOpt Polarising Filters can be easily and securely mounted to your lens and light source for maximum extinction or glare reduction.

Polarising Filters

  • Contrast ratios average up to 10,000:1
  • Linear, circular and wire grid polarisers are available for visible (VIS) and near-infrared (NIR) spectrums
  • Rotating mount with locking thumb screw to fine tune glare reduction
  • Exceptional surface quality; 40/20 scratch/dig

Polarising Film

  • Achieves optimal glare reduction when placed over light source
  • Contrast ratios average up to 10,000:1
  • Linear polarisers are available for VIS and NIR requirements
  • Left and right circular polarisers are available for VIS spectrum applications
  • Offered in high-temperature-resistant laminate and glass
  • PSA007 and HTA008 material comes standard with self-adhesive backing

Polarisers are commonly used to reduce glare from non-metallic in objects with smooth surfaces or surfaces covered with grease, oil or liquid. For best results, use an optical-grade Polariser over the lens and Polarising Film over the light source. The PR120/PG120 offers ultra-high contrast and an anti-reflection oleophobic coating.

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MidOpt Introduces Three New NIR Imaging Filters

Three new imaging filters have been made available by MidOpt. The primary use is for the blocking of unwanted near-infrared light. The filters are: SP635 Absorptive Visible Shortpass/Near-IR Block Filter; SP644 Near-IR/Mid-Red Dichroic Block Shortpass Filter; and, AB555 Acrylic Absorptive Near-IR/UV-Block Visible Bandpass Filter. A number of mounting options are available, including Standard Threaded Mounts,... Read more »

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New Imaging Filters help with aerial crop monitoring

MidOpt latest Imaging Filters Designed for use in aerial crop monitoring, the Bi725 Red Edge Bandpass Filter is a 25nm FWHM filter which isolates the wavelength region where the most rapid change in reflectance occurs in foliage. This occurs when plants are stressed or dying, and the photosynthesis slows down or stops. IR wavelengths are absorbed,... Read more »

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