Optolong UBVRI photometric filter set 2''
Product description:
Optolong UBVRI photometric filter set - in frame
This UBVRI photometric filter set consists of five 1.25" or 2" round frame filters: Ultrabed (U), Blue (B), Visual (V), Red (R), and Infrared (I). This set is made from high-quality branded glass that features multi-layer ion-beam assisted deposition treatment, which ensures extreme scratch resistance and ensures stability of the central wavelength. The assembly is designed for use with filter wheels, with 1.25" and 2" housings.
€888.00
(VAT incl.)
Entrega entre 8 y 10 días laborables
Reference:
59438
Quality materials:
German brand glass substrate, 1.85mm thick
Multi-layer anti-reflective treatment, deposited by electron beam evaporation and ion beam assisted deposition
quality finishes
Precision optically polished substrate to 1/4 lambda and <30 arc seconds of parallelism on both sides
60/40 polish quality per MIL-O-13830 specifications
Uniform and precise coating method that guarantees high passband transmission and precise out-of-band blocking.
Each filter comes with a plastic box filled with EVA.
Attention, this filter must never be used only to observe the Sun!
Attention, this filter must never be used only to observe the Sun!
Specifications:
Capacity |
|
| Coating of optical system |
multiple |
| Frame |
2" |
| Transmission |
70 |
| Surface accuracy | 1/4 |
General |
|
| Material | Schott glass |
| Type | Filters |
Area of application |
|
| Useful for photographs | yes |
| Visually useful | no |
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