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MidOpt Longpass Filters

MidOpt Longpass Filters are often used in fluorescence applications to block an excitation light source or to pass multiple emission wavelengths, improving signal to noise ratio. Also commonly used in photography and astronomy.

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Often referred to as a “sharp-cut” filter, Longpass Filters are specifically designed to pass a broad spectrum of longer wavelength light while blocking shorter wavelengths.

  • Economical solution for isolating specific spectral regions
  • Peak transmission ?90%
  • StablEDGE® design reduces angular dependency and minimises short-shifting effects
  • Anti-reflection coated for maximum transmission in VIS and NIR spectrums
  • Can be used with Shortpass Filters for a custom, fine-tuned Bandpass Filter
  • Double-side polished glass for exceptional parallelism and optical flatness
  • Exceptional surface quality; 40/20 scratch/dig
  • Available in wavelength ranges from 350nm to 1500nm

Longpass Filters are often used in fluorescence applications to block an excitation light source or to pass multiple emission wavelengths, improving signal to noise ratio. Longpass Filters are also commonly used in photography and astronomy.

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MidOpt StablEDGE

‘Minimise the Effects of Short Shifting’ MidOpt StablEDGE optical filters are specifically designed to be less susceptible to effects from angular shifting seen when optical filters are placed in front of short focal length (<12mm) camera lenses. This feature is becoming increasingly important as today’s trend in machine vision imaging progresses toward more compact inspection... Read more »

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Machine Vision Lenses

Multipix supply a large and varied selection of lensing from manufacturers such as, Ricoh (Pentax), Kowa, Moritex, Basler, Computar and many more.

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