
( Brand: Antlia Filters ), ( Manufacturer Part Number: SII-236 ), ( Part Type: Air Filter )
The SII-236 Antlia 3.5nm Narrowband Sulfur SII Imaging Filter, with a diameter of 36mm, is an unmounted optical filter designed for astrophotography enthusiasts and professional astronomers. This filter is specifically engineered to capture and enhance the emission of Sulfur II (SII) lines in deep-sky objects, allowing for more detailed and vibrant images of nebulae and other celestial bodies rich in this element.
With a narrow bandwidth of 3.5nm, the SII-236 Antlia filter effectively reduces light pollution and interference from other wavelengths, ensuring that only the desired SII emissions are captured. This results in a higher signal-to-noise ratio, which translates to clearer, more contrast-rich images.
The SII-236 Antlia filter is made from high-quality optical glass, coated with multiple layers of anti-reflection and interference-reducing materials. This ensures that the filter maintains high transmission efficiency and has a low reflection rate, allowing as much light as possible to pass through and reach your imaging sensor.
The 36mm diameter of the filter makes it compatible with a wide range of telescopes and imaging systems, allowing you to easily integrate it into your existing setup. The unmounted design also gives you the flexibility to choose the type of mount you want to use, whether it's a filter holder or a dedicated filter wheel.
In summary, the SII-236 Antlia 3.5nm Narrowband Sulfur SII Imaging Filter is a powerful tool for astrophotography, allowing you to capture and enhance the subtle details of celestial objects rich in Sulfur II emissions. Its high-quality construction, narrow bandwidth, and compatibility with various telescope and imaging systems make it a versatile and valuable addition to any astronomer's equipment arsenal.
Pros of buying a SII-236 Antlia 3.5nm Narrowband Sulfur SII Imaging Filter 36mm Unmounted:1. Highly specific: The filter is designed to block all light except for the 3.5nm band of light emitted by sulfur-ii (SII) atoms, which makes it ideal for astrophotography of emission nebulae that emit SII light.
2. High transmission: The filter has a high transmission rate, allowing as much light as possible to pass through to the camera sensor. This results in brighter and more detailed images.
3. Wide field of view: The filter is 36mm in diameter, which is a common size for many telescopes. This means that it can cover a wide field of view, allowing you to capture more of the night sky in a single image.
4. Versatile: The filter is unmounted, which means that it can be used with a variety of telescopes and camera systems. This makes it a great option for those who have multiple setups.
Cons of buying a SII-236 Antlia 3.5nm Narrowband Sulfur SII Imaging Filter 36mm Unmounted:1. Expensive: The filter is not cheap, and it may be out of reach for some budget-conscious astrophotographers.
2. Requires additional equipment: The filter is unmounted, which means that you will need to purchase a filter holder to attach it to your telescope. This can add to the overall cost of your setup.
3. Limited use: The filter is specifically designed for capturing SII emission nebulae, so it may not be as useful for other types of astrophotography.
Conclusion:If you are an astrophotographer who is serious about capturing images of SII emission nebulae, then the SII-236 Antlia 3.5nm Narrowband Sulfur SII Imaging Filter 36mm Unmounted is a worthy investment. Its high transmission rate, wide field of view, and specificity to SII light make it a powerful tool for capturing stunning images of these celestial objects. However, its high cost and requirement for additional equipment may make it out of reach for some astrophotographers.
Recommendation:If you are considering purchasing this filter, I would recommend doing some research to ensure that it is the right fit for your needs and budget. Consider the types of astrophotography you want to do, and determine if the filter's specificity to SII light is worth the investment. Additionally, be sure to factor in the cost of a filter holder and any other equipment you may need to use the filter with your telescope and camera system. Overall, if you are serious about capturing SII emission nebulae, this filter is a great option to consider.
The sharp cut-off also minimizes effect of halos around bright stars.
This can sometimes take 3-4 weeks to several countries.
Their exacting attention to tolerances requires each substrate have a uniform thickness that achieves no more 05mm.
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Each filter is individually tested and scanned to ensure that the product meets their high-performance parameters.
Suitable for imaging of sii emission in nebula's, planetary nebula's and supernova remnants.
6nm od3 will combine the shipping weights and show you discounted cost. The out-of-band blocking specification is rated od3.
In the production process, Antlia uses very strict quality control standards. Back to top 5.
This can often change from batch to according the whims of manufacturer.
These are not included in the item price or shipping cost. Antlia sii filter is designed to deliver 90 transmission at the 671. High transmission of typically 90 and sharp cut-off delivers an excellent boost in contrast for sii emitting objects. Antlia narrowband Filters are designed to bring out the faintest features in nebulously by reducing unwanted background frequencies narrower filter, better.
The result is that Antlia sii filter delivers excellent contrast with extremely dark backgrounds whilst delivering a high transmission of signal.
With the ha, sii, iii set of Filters ha and sold separately, you are able to process your images achieve impressive Hubble color palette. 6nm 90, transmission at sii line 671.
5nm filter is suitable for imaging of sii emissions from nebula's, planetary nebula's and supernova remnants.
05mm deviation from specification. This filter is not suited to deep sky objects that do contain sii emissions.
Application and performance: ultra-narrow 1000nm 2 sides multi-layers anti-reflection coating single non-glued substrate filter ring: none. Back to top 3.
Back to top The extreme narrowness in band width enables Astor-imaging from heavily light polluted locations and delivers improved contrast at darker sites. This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil.
It can be used to image sii regions in galaxies and such images combined into rugby better highlight the emitting of. 5 nm band width s, designed for astronomy imaging in both light polluted and dark sites.
5nm filter: 671.