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H-beta filter
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Product Details
Brand Name | kson | |||
Model Number | 2" H-beta | Material | Glass | |
Usage | Optical | Structure | Other | |
Shape | Cylindrical |
Product Description
Specifications
The h-beta filter astounding high light transmission brings better views of deep-sky-objects, BV assessed 24years factoryH-beta
The H-beta is a filter for visual observation, in particular with instruments of larger aperture.
It lets the light of the H-beta emission line pass nearly unhindered and blocks the remaining spectral range to the extent that the eye is dark adapted. By the use of the H-beta filter, the contrast is increased so strongly, that even the observation of the Horse Head Nebulae with telescopes of 10" - 12" reaches the realm of the possible.
Main use
The optimal aperture ratio for the use of the filter is 1:4,5 to 1:6. The range of application extends from 1:3.5 to 1:15. Transmission losses and chromatic distortions, which arise with other filters, are only apparent with the filters when extremely fast aperture ratios of 1:3 and higher are used. The H-beta filter will allow you to view large objects, in the whole field of view of the eyepiece, even when using wide-angle eyepieces - not only in the center of the eyepiece.
Suitability
- Visual observation (dark skies): Verry good, but only suitable for a few objects
- Visual observation (urban skies): Unsuitable
- Film photography: It depends, very long exposure time
- DSLR photography (original): Verry good, but only suitable for a few objects
- DSLR photography (astro modified): Verry good, but only suitable for a few objects
- DSLR photography (MC modified): Good, when used with an additional IR-block-filter
- Webcam / Video (Planets): Unsuitable
- Webcam / Video (Deep Sky): Unsuitable
Technical Data
- Transmission of nearly 100% of the H-beta line
- complete blocking of all disturbing wavelengths
- Main operational use: Hydrogen Nebulae
- No moisture (humidity) sensitivity, no aging, and totally scratch-proof
- Excellent carrier material - substrate is optically polished. The optical performance (resolution & contrast) of your telescope is not reduced in any way by the filter.
- Parfocal with other Astronomik filters
- Glass thickness: 1mm
- Completely resistant against high humidity, scratches and aging effects
- Diffraction limited, the filter will not reduce the optical performance of your telescope!
The filter is available in the following sizes
Company Profile

KSON has been designing and manufacturing complete telescopes, riflescopes, optical products and optical accessories since our establishment in 1987. We not only offer a large range of optics products such as telescopes, riflescopes, red dots, binoculars, microscopes and all kinds of accessories for the above, but also offer the air guns and hunting accessories such as gun bipods, gun wood stocks, gun bags and cartridge bags, shooting glasses, and 12g and 16g CO2 cartridges. Now after 20 years of development, we have extended our products from the optics and hunting fields to the LED products Kson has applied its optical mechanical electronic integration technical deposit and the advantage of human resource in manufacturing of significant green products LED, developed a product series of LED Constant-Current Direct-Drive high-power supply (LED CCDD power supply), which with independent patented technologies, product efficiency is more than 94%. At the same time, Kson creatively applied its independent patented technologies relating to optical-mechanical-electronic integration technologies to take advantage of high-power LED devices characters, made nonlinear correction on light spots to get an ideal effect of clear hard-edge circular light spot, (eliminated floodlight jamming in light patch completely), so the products have higher illuminating efficiency, stronger condensation, longer range, more clear and uniform light patch, and natural, accurate color renditions of R, G, B and W. All these condensation products cohered with Kson technical distillation are designers pursuit for expressing clear and smooth light, emphasizing intense condensing effect and pure circular light patch, it is an ideal choice for building a richer and colorful illuminating environment. Our facility is located in Foshan City, Guangdong Province, covering an area of over 33,000 square meters. Our intent is to try our best to satisfy our clients' requirements and bring the high-quality products to the world. Now our products have been exported to North America, South America, Europe and Oceania. Please feel free to contact us.
Contact Us
- Kson Optics-Electronics Co., Ltd.
- Contact nameShihua Jiang Chat Now
- Phone86-757-83686367
- AddressYaner Village Industial Park,Dali, Foshan, Guangdong
Product Categories
Astronomical telescope | ED/APO OTA | Gas cartridge | GOTO Mount Telescope |
Kson Binocular | LED lighting | New Products | Refracting Telescopes |
Spotting scope | Telescope Accessory |
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