| Hersteller: | MidOpt |
| Familie: | SP-Serie (VIS Pass/NIR Block) |
| Modell: | SP644 |
| min. Durchmesser(mm): | M13,25 |
| max. Durchmesser(mm): | M105 |
| Farbe: | Near-IR/Mid-Red Dichroic Block Shortpass Filter |
| Wellenlänge (nm): | 395-638, Cut-Off (50%): 648 |
| Option 1: | SP644 is one of several dichroic filters offered mainly for use as an internal infrared blocking filter in color cameras |