SV183 IR Pass Filter - 685 nm för planetfotografi
SV183 IR Pass Filter - 685 nm för planetfotografi
I lager
Ordinarie pris
€35,00 EUR
Ordinarie pris
Försäljningspris
€35,00 EUR
Enhetspris
per
- Expédition depuis la France
- Retur inom 90 dagar
- Support client en Français
IR Pass Filter SV183 - 685 nm for planetary photography
The IR pass filter SV183 is designed to reduce the effects of atmospheric turbulence and enhance contrast in images of planets. It also allows for photographing the Moon and planets at dawn or dusk by darkening the background of the sky.
Features
- Standard 1.25-inch filter for standard equipment
- High-quality sturdy aluminum metal construction
- Lightweight and sturdy metal filter cell, CNC machined, sandblasted and black anodized
- 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 | Aerospace 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 |
Cut-off wavelength | 670 nm |
Maximum transmittance | 670 nm@T=50% 673-1100nm@T>95% |