ANTLIA FILTERS SII-125 Narrowband Sulfur Imaging Air Filter Sii 3.5NM 1.25

( Brand: Antlia Filters ), ( Manufacturer Part Number: SII-125 ), ( Part Type: Air Filter )

Review ANTLIA FILTERS 3.5nm Narrowband Sulfur Sii Imaging Filter 1.25 Mounted

The SII-125 Antlia 3.5nm Narrowband Sulfur SII Imaging Filter, a 1.25-inch diameter product, is designed for astrophotography enthusiasts seeking enhanced detail and clarity in their deep-sky images. This filter is specifically engineered to isolate the SII emission line, making it an excellent tool for capturing nebulae that emit strong sulfur-II emission, such as the Swan Nebula or the Sh2-125 in the constellation Antlia.

The SII-125 filter boasts a narrow 3.5nm bandpass, ensuring minimal light pollution and maximizing the signal-to-noise ratio. This narrow bandwidth allows for the capture of detailed SII data without the interference of other emission lines, resulting in a more refined and accurate representation of the target object.

Crafted from high-quality optical glass, this filter features a dual-coated multilayer anti-reflection coating that minimizes light loss and increases contrast. The result is a sharper, more vibrant image with reduced ghosting and flaring. The 1.25-inch diameter makes it compatible with a wide range of telescopes, making it an accessible upgrade for both beginners and seasoned astrophotographers.

In conclusion, the SII-125 Antlia 3.5nm Narrowband Sulfur SII Imaging Filter is a powerful tool for astrophotography, offering a narrow bandwidth to isolate SII emission, high-quality glass, and dual-coated anti-reflection coating for improved contrast and clarity. Its 1.25-inch diameter ensures compatibility with various telescopes, making it an excellent investment for those looking to elevate their deep-sky imaging capabilities.

1. Enhanced SII (Sulfur II) emissions: The primary advantage of this filter is its ability to specifically isolate and amplify SII emissions, providing a more detailed and vibrant view of nebulae and other celestial objects that emit sulfur.

2. Improved contrast: The 3.5nm bandpass helps to reduce unwanted light pollution and stray light, resulting in an increased contrast between the emission regions and the surrounding dark sky.

3. Compatibility with various telescopes: The SII-125 filter is designed to fit 1.25-inch eyepieces, making it a versatile option for a wide range of telescopes, including refractors, catadioptric, and Newtonian designs.

4. Durable and high-quality construction: The filter is made of low- iron glass, which reduces chromatic aberration, and is coated with multiple layers of anti-reflection material to enhance light transmission.

1. Limited spectral range: The filter is designed to only amplify SII emissions, which means it may not provide as clear or detailed views of objects that emit other wavelengths, such as Halpha or OIII.

2. Higher cost: Compared to broadband filters, narrowband filters like the SII-125 can be more expensive due to the specialized materials and manufacturing processes required to achieve the narrow bandpass.

3. Complexity in use: Narrowband imaging can be more challenging than using broadband filters, as it requires proper calibration, image stacking, and processing to bring out the subtle differences in emission regions.

The SII-125 Antlia 3.5nm narrowband sulfur SII imaging filter 1.25 inches is an excellent option for astrophotographers and visual observers who want to explore the subtle and often hidden details of nebulae that emit sulfur. Its ability to provide enhanced contrast and narrowband emission amplification can result in stunning and detailed images. However, its limited spectral range, higher cost, and complexity in use are important considerations to keep in mind. Ultimately, the decision to purchase this filter depends on an individual's specific interests, budget, and skill level in astrophotography.

If you are interested in narrowband imaging and want to focus specifically on sulfur emissions, the SII-125 Antlia 3.5nm filter is an excellent choice. However, if you are new to astrophotography or want a more versatile filter that can work with various emission lines, you may want to consider a broader bandpass filter first and then explore the world of narrowband imaging later. It's also recommended to research and learn about the specific objects you want to observe to determine if they are primarily SII emitters before investing in this filter.

Details:

5 nm band width s, designed for astronomy imaging in both light polluted and dark sites 1000nm 2 sides multi-layers anti-reflection coating single non-glued substrate filter ring: With the ha, sii, iii set of Filters ha and sold separately, you are able to process your images achieve impressive Hubble color palette.

These are not included in the item price or shipping cost.

This can often change from batch to according the whims of manufacturer.

The result is that Antlia sii filter delivers excellent contrast with extremely dark backgrounds whilst delivering a high transmission of signal.

Back to top 4. The extreme narrowness in band width enables Astor-imaging from heavily light polluted locations and delivers improved contrast at darker sites. Each filter is individually tested and scanned to ensure that the product meets their high-performance parameters.

5nm band width delivers a high transmission at wave length of 671.

High transmission of typically 90 and sharp cut-off delivers an excellent boost in contrast for sii emitting objects.

This can frequently take 4-6 weeks or more for several countries 8 Italy, Argentina, and south Africa Brazil. 6 thread ultra-thin filter cell to minimize vignetting by maximizing possible clear aperture black anodized finish laser engraving, no fading not recommended: solar observing and imaging visual observation do look at the sun with Antlia Filters.

In the production process, Antlia uses very strict quality control standards.

5nm filter is suitable for imaging of sii emissions from nebula's, planetary nebula's and supernova remnants. Suitable for imaging of sii emission in nebula's, planetary nebula's and supernova remnants.

Antlia narrowband Filters are designed to bring out the faintest features in nebulously by reducing unwanted background frequencies narrower filter, better. The sharp cut-off also minimizes effect of halos around bright stars.

05mm deviation from specification.

The out-of-band blocking specification is rated od3. The Antlia sulfur ii sii 3.

Will combine the shipping weights and show you discounted cost. This filter is not suited to deep sky objects that do contain sii emissions. This can sometimes take 3-4 weeks to several countries.

5nm filter: 671.

specifications telesfil:

• brand: Antlia Filters
• mpn: Sii-125
• part type: Air Filter

Payments telesfil:

• PayPal

Ratings:

1. Great item! 07-01-20
2. SolidWorks great. 07-01-20
3. awesome seller Definitely Buying again 07-01-20
4. Item arrived as promised and described. Thank you. 07-01-20
5. Awesome adapter. Perfect replacement for the standard 1.25 SCT visual back. 07-01-20

Offer telesfil:

• quantity: 4
• Started: July 8, 2020, 8:23 pm
• Sold: 0
• best offer: false
• bids: 0

General telesfil:

• condition: New
• Telescope Parts Accessories > Telescope Filters
• in stock: Yes

Returns telesfil:

• policy: returns accepted
• paid by: Buyer
• time: 30 Days
• type: Money Back

Shipping telesfil:

• type: Calculated
• handling: days

Seller telesfil:

• city: Cerritos, California
• zipcode: 907
• rating 07-10-20: 100.0%
• # feedbacks 07-10-20: 17072

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