Short-Pass and Long-Pass Filters
![](/fileadmin/_processed_/b/d/csm_multi-bandpass-filters_b0a2f3e871.png)
![](/fileadmin/_processed_/b/d/csm_multi-bandpass-filters_7dbf4bcfcf.png)
Short and long pass filters are also known as edge filters.
![](/fileadmin/_processed_/f/f/csm_ultrasteep-shortpass-filters-transmission-26-37_ae0f371d46.png)
![](/fileadmin/_processed_/f/f/csm_ultrasteep-shortpass-filters-transmission-26-37_6c0fda2b43.png)
Edge filters with very short transitions between stopband and transmission range.
![Short-Pass and Long-Pass Filters Short-Pass and Long-Pass Filters](/fileadmin/_processed_/2/5/csm_short-pass-long-pass-filters-26-37_46f0ab56da.png)
![Short-Pass and Long-Pass Filters Short-Pass and Long-Pass Filters](/fileadmin/_processed_/2/5/csm_short-pass-long-pass-filters-26-37_92896eca17.png)
Dichroic filters are edge filters for color separation used under diagonally incoming light.
![Steep Edge Laser Line Longpass Filters Steep Edge Laser Line Longpass Filters](/fileadmin/_processed_/1/d/csm_steep-edge-laser-line-longpass-filters-26-37_e0cd2f8d39.png)
![Steep Edge Laser Line Longpass Filters Steep Edge Laser Line Longpass Filters](/fileadmin/_processed_/1/d/csm_steep-edge-laser-line-longpass-filters-26-37_a048a269d6.png)
By using proprietary 'Quasar' technology, the transition in both SP and LP filters between the 50% cut-off or cut-on to rejection is quite sharp.
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