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#ce9b57 SP713 Extended Hot Mirror / Reflects up to 1300nm

For applications in which full spectrum infrared (i.e., heat) and/or UV radiation are an issue, SP713 filters provide extended hot mirror blocking throughout the UV and the near-IR out to 1300nm at a reasonable cost. The substrate is polished B270 crown glass and it comes in 0.5, 1mm, and 2mm thicknesses. Surface quality is better than 10-5 and custom unmounted sizes can be provided.

Useful Range : 420-695nm
Cut-off Wavelength 50% T : 400/700nm (cut-on/cut-off)
Tolerance : +/- 10nm
Peak Transmission : ≥95%
Surface Quality : 40/20
Thickness : 0.5, 1.0, 2.0mm

SP713 Transmission Data (Typical)

wavelength (nm)	transmission (%)

wavelength (nm)	transmission (%)

Filter Mount & Size Options

Threaded Mount

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Unmounted & Custom Size

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The performance of a filter is based on what happens to light passing through the filter. The apparent color of light reflected off the surface is not a reliable way to judge the filter's capabilities. Batch-to-batch difference in the apparent color of the coatings or filter substrates can often be easily seen when looking at two examples of the same filter type. The color of the coating does not indicate a disparity in performance. Filters 62mm and greater have a surface quality tolerance of 60/40.

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