SPECTRUM TELESCOPE SF550 Seymour Solar Filter 5.5 140MM
( Brand: Spectrum Telescope ), ( Manufacturer Part Number: SF550 ), ( Type: Filter ), ( Size: 5.5 In ), ( Item Width: 5.5 In 140mm )
Review SPECTRUM TELESCOPE Seymour Solar Filter 5.5 In 140mm #sf550
The Spectrum Telescope SF550 Seymour Solar Filter is an essential accessory for any serious astronomer or solar observer. This solar filter, with an aperture of 140mm (5.5 inches), is specifically designed to provide safe and effective observation of the Sun.
The heart of this solar filter is a dense, high-quality aluminum oxide film, which is precision-engineered to offer maximum protection against harmful solar radiation. The film blocks over 99.9% of harmful UV and infrared radiation, ensuring the safety of the observer and the longevity of the telescope.
The SF550 Seymour Solar Filter is designed to be used with refractor and catadioptric telescopes. It features a 5.5-inch diameter and a thin, lightweight design, making it easy to install and use. The filter has a threaded edge, allowing it to be securely attached to the telescope tube using the provided T2 adapter.
The filter provides a beautiful, true-to-life view of the Sun, with minimal color distortion or reduction in contrast. It allows for observation of solar features such as sunspots, solar flares, and solar prominences in incredible detail. The filter also provides a safe and convenient way to observe partial solar eclipses and the corona during a total solar eclipse.
The Spectrum Telescope SF550 Seymour Solar Filter is made to last. It is built to withstand the rigors of regular use, with a durable aluminum frame and a scratch-resistant coating on the filter surface. The filter comes with a protective storage case, making it easy to transport and store when not in use.
In summary, the Spectrum Telescope SF550 Seymour Solar Filter is an indispensable tool for any astronomer or solar observer. It provides maximum protection against solar radiation, offers a true-to-life view of the Sun, and is built to last. With its thin, lightweight design and easy-to-install threaded edge, it is the perfect solar filter for refractor and catadioptric telescopes.
The Seymour Solar Filter SF550 by Spectra Astronomy is a popular choice for solar observation due to its high-quality aluminum construction and broadband absorption coating. Here are some pros and cons to help you make an informed decision about purchasing this solar filter:
Pros:1. High-quality aluminum construction: The SF550 is built from high-quality aluminum, making it durable and resistant to scratches and damage.
2. Broadband absorption coating: The filter uses a broadband absorption coating that blocks a wide range of solar wavelengths, ensuring safe solar observation.
3. Easy installation: The filter can be easily attached to most telescopes using the provided adapter ring.
4. High transmission: The filter allows a high amount of light to pass through, resulting in clear and sharp images of the sun.
5. Versatile: The SF550 can be used with a variety of telescope sizes, including refractors, reflectors, and catadioptric telescopes.
Cons:1. Price: The SF550 is a more expensive solar filter compared to some other options on the market.
2. Size: The filter has a diameter of 140mm, which may not be suitable for all telescope sizes.
3. Requires adapter ring: The filter requires an adapter ring to be purchased separately for some telescopes.
Conclusion:The Seymour Solar Filter SF550 by Spectra Astronomy is a high-quality solar filter that offers excellent transmission, durability, and safety for solar observation. While it may be more expensive than some other options, its broadband absorption coating, easy installation, and versatility make it a worthwhile investment for serious astronomers. If you have a telescope with a diameter of 140mm or smaller and are looking for a safe and effective way to observe the sun, the SF550 is definitely worth considering.
Recommendation:If you're in the market for a solar filter and have a telescope with a diameter of 140mm or smaller, the Seymour Solar Filter SF550 by Spectra Astronomy is an excellent choice. Its high-quality construction, broadband absorption coating, and versatility make it a worthwhile investment for safe and effective solar observation. While it may be more expensive than some other options, its durability and clear images of the sun make it a valuable addition to any telescope setup.
Details:
Seymour Solar Helios Glass Filter 5.5 140mm Fits Optical Tube Diameter 131mm to 136mm: This glass solar filter from ensures safe photography or observation of the sun when attached a Telescope, viewfinder, spotting scope, etc by blocking 99.999% sunlight. This configuration of the Helios Solar Glass Filter is 140mm and fits 131-136mm optical tube assemblies. The felt tabs and thumb screws fasten the filter in place of optical tube so it doesn't come off during observation accidentally. The glass itself is composed of Helios Solar Glass mounted into an aluminum outer cell.
part #: sf550 prices
- $26.22-$133.99
specifications telesfil:
- brand: Spectrum Telescope
- mpn: Sf550
- type: Filter
- size: 5.5 In
- item width: 5.5 In 140mm
general telesfil:
- Binoculars Telescopes > Telescope Parts Accessories > Telescope Filters
- condition: Used
payments telesfil:
- credit card: Visa
- wallet: Paypal
- other
offer telesfil:
- options: Ship-to-home
- started: February 18, 2026
- best offers: True
- quantity: 1
- availability: In Stock
- sold: 0
seller telesfil:
- city: New Port Richey, Florida
- # reviews: 1741
- rating: 99.8%
shipping telesfil:
- service: USPS Ground Advantage
- transit: 3-8 Days
- carrier: USPS
- cost: $8.50
- class: Standard
- type: Fixed
returns telesfil:
- policy: No Returns
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