OGMA 36mm Unmounted UV/IR Cut Filter
Ships by Next Business Day
Contiguous US Customers:
All items we sell ship for free within the Contiguous US. Shipping will be via the cheapest shipping method which will vary depending on the items in your order. During checkout, you may also be shown other optional faster shipping choices.
US Customers in Hawaii and Alaska:
Free shipping applies to almost all products. A few large telescopes and mounts are excluded from this free shipping offer. For these items, please contact us to obtain a shipping quote before you check out using the online shopping cart.
International Customers:
Free shipping does not apply to international orders. During check-out, you will be presented with several shipping choices and costs. However, the export of some items may be restricted outside the US due to size or manufacturer restrictions.
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
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
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
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
OGMA 36mm Unmounted UV/IR Cut Filter # APFUVIR36