Filter Wheels / NDWH
This holder mounts several filters in a turret allowing different filters to be placed into the optical path by rotating the turret. It can also be used for adjusting the transmitted light intensity by switching ND filters of different transmittance, or for switching transmitted wavelength by mounting color filters.
Two types are available. The NDWH-15S has a single turret that holds six filters. The NDWH-15W has two turrets that hold six filters each.
Each type is also available with either a fixed base (NDWH-15S/NDWH-15W) or mounted on a post (NDWH-15SRO/NDWH-15WRO).
The turret has an index every 30 degrees (point where rotation stops). Using this index, the filter can be located at the positions 0 degrees, 30 degrees, 60 degrees, and 90 degrees.
Common Specifications
| Primary Material | Aluminium |  |
|---|---|---|
| Finish | Black Anodized |
Specifications
| Part Number | Compatible Optics Diameter | Compatible Optics Max Thickness | Max Number of Mounts | Max Number of Mounts and Optics | Weight | |||
|---|---|---|---|---|---|---|---|---|
| With a Post φ12mm |
Without a Post | Mounting Hole: M4 (Without a Post) |
Mounting Hole: 8-32UNC (Without a Post) |
|||||
| NDWH-15SRO | NDWH-15S | - | - | φ15mm | 3mm | 6 pieces | 6 pieces | 0.26kg (Without a Post: 0.2kg) |
| NDWH-15WRO | NDWH-15W | - | - | φ15mm | 3mm | 12 pieces | 12 pieces | 0.4kg (Without a Post: 0.34kg) |
| - | - | NDWH-25.4S-EE | NDWH-25.4S-UU | φ25.4mm | 3mm | 6 pieces | 6 pieces | 0.16kg |
| - | - | NDWH-25.4W-EE | NDWH-25.4W-UU | φ25.4mm | 3mm | 12 pieces | 12 pieces | 0.30kg |
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