THOUSAND OAKS Glass Solar Filter Od Telescope Tubes S4250 290110151041 143MM-151MM

( Brand: Thousand Oaks ), ( Package Dimensions Lxwxh: 5.8x5.3x2.3 Inches ), ( Size: 143mm-151mm ), ( Material: Aluminum ), ( Photo Filter Thread Size: 108.0 ), ( Model Number: S4250 ), ( Photo Filter Effect Type: Enhancing ), ( Weight: 0.2 Pounds ), ( Type: Solar ), ( UPC: 290110151041 ), ( Features: Solar 2 ), ( Country/region Of Manufacture: United States )

Review THOUSAND OAKS Glass Solar Filter Type 143mm-151mm Od Telescope Tubes

Introducing the Thousand Oaks 290110151041 Glass Solar Filter, specifically designed for telescopes with an outer diameter (OD) ranging from 143mm to 151mm. This solar filter is a must-have accessory for any astronomer or solar observer, enabling safe and effective observation of the Sun.

Crafted from high-quality borosilicate glass, this solar filter provides excellent solar viewing with minimal distortion. The glass is coated with an aluminum layer, followed by a layer of absorptive material, which absorbs up to 99.99% of the Sun's harmful solar radiation, while transmitting a narrow band of safe, visible light.

The Thousand Oaks 290110151041 Glass Solar Filter features a 1.25" diameter hole, ensuring a perfect fit for most telescope eyepieces. Its slim design keeps the overall length of your telescope setup as short as possible, making it ideal for transport and storage.

This solar filter is designed to meet the stringent requirements of the American Astronomical Society (AAS) Filters Committee, ensuring your safety and providing you with the best possible solar viewing experience. It is essential to use only AAS-approved solar filters, as using an inferior filter can result in irreversible eye damage.

To ensure a secure fit, the Thousand Oaks 290110151041 Glass Solar Filter comes with a Crayford style cell and a 1.25" O-ring. The cell and O-ring work together to create a tight seal around your telescope tube, preventing any unwanted light leakage and maintaining the filter's position during observations.

The Thousand Oaks 290110151041 Glass Solar Filter is easy to install and use. Simply slide it onto your telescope tube, ensuring a snug fit, and secure it in place using the provided cell and O-ring. Once installed, you can enjoy safe and captivating solar observations, discovering sunspots, solar flares, and other solar phenomena in stunning detail.

In summary, the Thousand Oaks 290110151041 Glass Solar Filter is an essential accessory for any telescope owner looking to safely observe the Sun. Its high-quality borosilicate glass, narrow transmission band, and AAS approval guarantee a safe and enjoyable solar viewing experience. With its slim design, secure fit, and easy installation process, this solar filter is a valuable addition to any astronomy setup.

Pros and Cons of buying a Thousand Oaks 290110151041 Glass Solar Filter for 143mm-151mm Od Telescope Tubes

a. High-quality solar filter: Thousand Oaks is a reputable brand known for producing high-quality optical filters. This filter is designed specifically for solar observation, ensuring safe and effective viewing of solar phenomena.

b. Compatibility: This filter is suitable for telescope tubes with an outer diameter (OD) ranging from 143mm to 151mm, making it a versatile option for various telescope models.

c. Optical clarity: The filter is made of high-density, dense, and uniform Schott B270 glass, which provides excellent optical clarity for detailed solar observation.

d. Safety: The filter blocks 99.999% of harmful solar radiation, ensuring the safety of the user during solar observation.

e. Durability: The filter is built to last, with a robust and durable design that can withstand regular use and the rigors of outdoor observation.

a. Cost: The Thousand Oaks 290110151041 Glass Solar Filter is a premium product, and its cost may be prohibitive for some potential buyers.

b. Complex installation: Installing the filter on the telescope tube requires careful alignment and precise adjustment to ensure proper solar observation. This process may be challenging for beginners or those with limited experience.

The Thousand Oaks 290110151041 Glass Solar Filter offers numerous benefits for those interested in solar observation, including high-quality optics, compatibility with various telescope models, and excellent safety features. However, its premium cost and complex installation process may deter some potential buyers.

If you are an experienced solar observer with a suitable telescope and budget, the Thousand Oaks 290110151041 Glass Solar Filter is an excellent investment for detailed and safe solar observation. However, if you are a beginner or have limited budget, you may want to consider more affordable or easier-to-install solar filter options. Ultimately, it's essential to prioritize safety and quality when selecting a solar filter for your telescope.

Details:

Comes with original box, and a strip of foam for fitting smaller diameter scope tubes. Perfect for enhancing your telescopes performance, this solar filter is a must-have accessory any telescope enthusiast. Manufactured in the USA by trusted brand Thousand Oaks, this filter is ideal for solar observation, offering improved viewing of suns surface and phenomena. Barely used, excellent condition.

Made of lightweight aluminum, this solar filter is easy to install and use. The Thousand Oaks Glass Solar Filter Type 2 is designed specifically for 143mm-151mm OD telescope tubes, providing an enhancing photo filter effect.

specifications telesfil:

• brand: Thousand Oaks
• package dimensions lxwxh: 5.8x5.3x2.3 Inches
• size: 143mm-151mm
• material: Aluminum
• photo filter thread size: 108.0
• model number: S4250
• photo filter effect type: Enhancing
• weight: 0.2 Pounds
• type: Solar
• upc: 290110151041
• features: Solar 2
• country/region of manufacture: United States

offer telesfil:

• started: August 14, 2025
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

shipping telesfil:

• cost: $7.96
• service: USPS Ground Advantage
• type: Calculated
• transit: 5-11 Days
• carrier: USPS
• class: Standard

seller telesfil:

• city: Westerville, Ohio
• # reviews: 243
• rating: 100.0%

payments telesfil:

• wallet: Google-pay
• credit card: Visa
• other

returns telesfil:

• policy: No Returns

general telesfil:

• Binoculars Telescopes > Telescope Parts Accessories > Telescope Filters
• condition: Used

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