OGMA 36mm Unmounted UV/IR Cut Filter
This item has been discontinued by Agena and we no longer offer this.
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The ideal luminance (UV/IR) filter for 36mm filter wheels.
This filter is unmounted; it doesn't have a metal ring.
The blackened edge of this filter helps reduce reflections and stray light, improving contrast and preventing unwanted artifacts in imaging applications.
Transmission
The following emission lines that are important for astrophotography are passing at > 95%.
- Hydrogen Alpha (H-Alpha): 656nm
- Sulphur II (SII): 672nm
- Nitrogen II (NII): 654nm and 658nm
Specifications
- Diameter: 3mm
- Edge treatment: Blackened
- Physical thickness: 1.85mm
- UV cut off: < 400nm
- IR cut off: > 700nm
- Transmission of visible light: > 95%
- Transmission off band: < 0.1%
- Surface quality: 60/40 (MIL-O-13830)
- Surface polished: 1/4 wavefront
- Surface parallelism: < 30 seconds
Other Information
- Country of Manufacture: China
The ideal luminance (UV/IR) filter for 36mm filter wheels.
This filter is unmounted; it doesn't have a metal ring.
The blackened edge of this filter helps reduce reflections and stray light, improving contrast and preventing unwanted artifacts in imaging applications.
Transmission
The following emission lines that are important for astrophotography are passing at > 95%.
- Hydrogen Alpha (H-Alpha): 656nm
- Sulphur II (SII): 672nm
- Nitrogen II (NII): 654nm and 658nm
Specifications
- Diameter: 3mm
- Edge treatment: Blackened
- Physical thickness: 1.85mm
- UV cut off: < 400nm
- IR cut off: > 700nm
- Transmission of visible light: > 95%
- Transmission off band: < 0.1%
- Surface quality: 60/40 (MIL-O-13830)
- Surface polished: 1/4 wavefront
- Surface parallelism: < 30 seconds
The ideal luminance (UV/IR) filter for 36mm filter wheels.
This filter is unmounted; it doesn't have a metal ring.
The blackened edge of this filter helps reduce reflections and stray light, improving contrast and preventing unwanted artifacts in imaging applications.
Transmission
The following emission lines that are important for astrophotography are passing at > 95%.
- Hydrogen Alpha (H-Alpha): 656nm
- Sulphur II (SII): 672nm
- Nitrogen II (NII): 654nm and 658nm
Specifications
- Diameter: 3mm
- Edge treatment: Blackened
- Physical thickness: 1.85mm
- UV cut off: < 400nm
- IR cut off: > 700nm
- Transmission of visible light: > 95%
- Transmission off band: < 0.1%
- Surface quality: 60/40 (MIL-O-13830)
- Surface polished: 1/4 wavefront
- Surface parallelism: < 30 seconds
Other Information
- Country of Manufacture: China