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Lumicon 1.25" UV/Infrared Filter - LF3140

SKU: LUM-LF3140

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Lumicon 1.25" UV/Infrared Filter




Lumicon Minus Violet and Infrared Blocking Filters are used primarily to "bracket" the color-corrected band of refracting telescopes. The Minus Violet and Infrared Blocking Filters can also be used as "visible" filters in RGBV (red-green-blue-visible) astrophotography with reflecting telescopes. The larger Minus Violet filters are for telephoto lenses.




Most digital/CCD cameras have built-in infrared filters, in which case either the Minus Violet or Infrared filter may be used. The choice would depend on how far into the blue your primary lens is color-corrected. The Minus Violet filter blocks wavelengths shorter than about 420 nm; the Infrared filter blocks wavelengths shorter than about 400 nm. If your camera does not have a built-in infrared filter, the Infrared Blocking Filter is recommended, which blocks all wavelengths longer than 750 nm. This filter is specifically designed as an IR blocking filter.

Description
Description

Lumicon 1.25" UV/Infrared Filter

Lumicon Minus Violet and Infrared Blocking Filters are used primarily to "bracket" the color-corrected band of refracting telescopes. The Minus Violet and Infrared Blocking Filters can also be used as "visible" filters in RGBV (red-green-blue-visible) astrophotography with reflecting telescopes. The larger Minus Violet filters are for telephoto lenses.

Most digital/CCD cameras have built-in infrared filters, in which case either the Minus Violet or Infrared filter may be used. The choice would depend on how far into the blue your primary lens is color-corrected. The Minus Violet filter blocks wavelengths shorter than about 420 nm; the Infrared filter blocks wavelengths shorter than about 400 nm. If your camera does not have a built-in infrared filter, the Infrared Blocking Filter is recommended, which blocks all wavelengths longer than 750 nm. This filter is specifically designed as an IR blocking filter.

Specifications
Specifications
Model Number LF3140
Single Filter, Set, or Accessory Single Filter
Filter Type UV/IR/Luminance
Filter Size 31.75 mm (1.25")
Filter Shape Round
Filter Insert Style Threaded
Warranty Lumicon 5 Year
What's in the Box?
What's in the Box?
  • Lumicon 1.25" UV/Infrared Filter
  • Lumicon 1.25" UV/Infrared Filter
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