SV183 IR Pass Filter - 685 nm for planetary photography
SV183 IR Pass Filter - 685 nm for planetary photography
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€32,00 EUR
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IR Pass Filter SV183 - 685 nm for planetary photography
The SV183 IR pass filter is designed to reduce the effects of atmospheric turbulence and improve contrast in planetary images. It also allows for taking photos of the Moon and planets at dawn or dusk by darkening the background of the sky.
Features
- Standard 1.25 inch filter for standard equipment
- Robust construction in high-quality aluminum metal
- Lightweight and solid metal filter cell, CNC machined, sandblasted and anodized black
- Clear aperture of 26 mm for optimal image quality
Technical Specifications
| Model | W9142A |
|---|---|
| Size | 1.25 inches |
| Threads | M28.5*0.6 |
| Clear aperture | 26 mm |
| Net weight | 8 g |
| Glass material | SCHOTT B260 |
| Cell material | Aviation aluminum 6061T6 |
| Substrate thickness | 1.1 mm |
| Surface quality | 60/40 |
| Surface parallelism | 1/4 λ |
| Parallelism | 30” |
| Single thread | Yes |
| Blocking | OD2@400-660nm |
| Wavelength range | 350-1100 nm |
| Cutoff wavelength | 670 nm |
| Maximum transmittance | 670 nm@T=50% 673-1100nm@T>95% |
SKU: svbony-W9142A
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