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NEW ARRIVAL Antlia Solar Discover Dualband(Ha, CaK and CaH)Filter Assembly Mini

Product Descriptions
Size Mini Price US$99.00
Brand Antlia Origin China

The Antlia Solar Discover Dualband (Ha, CaK, and CaH) filter assembly comes in both standard and mini versions. It is specifically designed for solar photosphere photography, effectively enhancing contrast and sharpness in solar imaging. This results in greater visibility of surface details and highlights of sunspots, while also providing higher contrast for solar faculae.

The complete assembly comes with a Antlia Energy Rejection Filter (ERF) filter, functions to block UV and IR light, which allows the desired wavelengths Ha 656.3nm, CaK 393.3nm, and CaH 396.8nm to pass through.

In addition, necessary ND filter is already manufacture installed in the tube.


Product Features:

- New tube structure design is used for the Antlia Solar Discover Dualband filter assembly,installation is similar to the Antlia CaK 3nm Solar Herschel Wedge, with the telescope attached at one end and the camera at the another. The filters are assembled in a fully closed tube and the metal tube machined from aircraft aluminum CNN and oxidized. No stray light can escape from this.

- Compared to other solar reducing films, the Antlia Solar Discover Dualband filter assembly offers superior advantages: it enables higher contrast for solar imaging, higher resolution of the solar surface, and the design less susceptible to wear and tear. Additionally, it's user-friendly, ensuring ease of use, and boasts an extended lifespan for your equipments used for solar imaging.

- It can be directly used for solar Photosphere imaging, such as sunspots.

- 1.25" and 2" Adapters

The Antlia Solar Discover Dualband Ha, CaK and CaH filter assembly combines the 1.25'' and 2'' adapter used in astrophotography for easier and faster connection of telescopes and cameras. The standard version is compatible with both 1.25'' and 2'' adapters, while the mini version is designed with 1.25'' adapter.


Product Installation Diagram:

Installation Diagram.jpg

Important Notes:

- When you are using a zenith mirror, the ERF filter must be installed in the correct position for safe operation. Please refer to the installation diagram.

- When you are using a telescope with an aperture >100mm, you need to use additional light reduction solutions, such as ERF filters,solar safety films, lowering the telescope aperture for safe operation while using Solar Discover Dualband Ha, CaK and CaH filter Assembly; If without the extra light reduction solution, the Solar Discover Discover Dualband Assembly can only used with REFRACTORS up to 100mm aperture.


Due to different batches, the mini version will have 2 appearances, the function and installation are the same.


About Visual Observation

The IR coating range of our products is slightly different from the ISO 12312-2 Standard for Solar Viewers, please see the following chart and refer to ISO 12312-2 Standard for Solar Viewers (https://eclipse.aas.org/eye-safety/iso12312-2).

For tough technical requirements and safety considerations, we do not recommend Solar Discover Dualband Ha, CaK and CaH filter assembly for visual observation. If you need to use the product for visual observation, it is important to ensure that all filters built into the assembly are in good condition for safety.

Please contact Antlia if you have any question.

ISO12312-2 Transmittance Requirements

Antlia Transmittance Requirements

(Solar Discover 5Å CaK Solar Discover 3nm CaK AssemblyDualband Ha, CaK and CaH filter AssemblyERF)

Requirements

Value

Wavelength Range

Wavelength Range

Tmax%

0.0032%

380-780nm

380-780nm

Tmin%

0.000061%

Tmax%UVB

0.0032%

280-315nm

280-315nm

Tmax%UVA

0.0032%

315-380nm

315-380nm

Tmax%IR

3%

780-2000nm

780-1700nm



-Warranty: 3-years

Disassembly of the assembly is prohibited and voids warranty. Any repair/returns/exchange

for this item is not accepted once it has been disassembled.


Model/Sizes and Prices:

Model

MAP Prices

Standard version

US$149.00

Mini version

US$99.00



Spectrum Curve:

Antlia Solar Discover Dualband (1).jpg


Imaging Sample Photo:

Sample Photo-61.jpg






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