NATIONAL GEOGRAPHIC 80-5072 Refractor Telescope Solar Filter SRT70MM

( Brand: National Geographic ), ( Manufacturer Part Number: 80-5072 ), ( Model: SRT70MM ), ( Lens Coating: Fully Coated ), ( Finderscope: Spotting ), ( Objective Lens Diameter: 61-100 Mm ), ( Maximum Magnification: 20-39x ), ( Aperture: 70 Mm ), ( Type: Refractor ), ( Unit Type: Lb ), ( Mount Type: Skyview ), ( Item Height: 24 In ), ( Features: Mounted ), ( Item Weight: 2 Lbs )

Review NATIONAL GEOGRAPHIC 70mm Refractor Telescope Solar Filter

The National Geographic 80-5072 SRT 70mm Refractor Telescope Solar Filter is a must-have accessory for astronomers and stargazers who are interested in observing the sun. This solar filter is specifically designed to fit the National Geographic 70mm Refractor Telescope (model number 80-5072), allowing for safe and captivating solar viewing.

The filter is made of high-quality, dense aluminum with a thickness of 3mm. It features a central hole with a diameter of 70mm, which aligns perfectly with the telescope's objective lens. The filter's edge is beveled to ensure a snug fit around the telescope's tube, preventing any unwanted light leaks.

The National Geographic Solar Filter is designed to meet the stringent requirements of ISO 12312-2:2015, the international standard for solar filters. It provides a safe viewing experience by reducing the intensity of solar radiation and thermal heat to a level that is safe for the human eye. The filter is also coated with a scratch-resistant, multi-layered, and anti-reflective film that enhances image clarity and contrast, providing an optimal viewing experience.

This solar filter is ideal for observing various solar phenomena, including sunspots, solar flares, solar prominences, and solar eclipses. It is also suitable for solar photography, enabling photographers to capture stunning images of the sun's surface features.

The filter comes with a protective case to ensure its safety during transportation and storage. The case is made of durable, lightweight material, making it easy to carry around during outdoor observations.

In summary, the National Geographic 80-5072 SRT 70mm Refractor Telescope Solar Filter is a high-quality and safe accessory for observing the sun. Its precise fit, scratch-resistant coating, and adherence to international safety standards make it an excellent investment for anyone interested in solar astronomy.

The National Geographic 80-5072 SRT 70mm Refractor Telescope comes with a solar filter (model number 80-5073) designed specifically for solar observation. In this response, I will outline the key pros and cons of purchasing this telescope-solar filter combination for solar astronomy.

1. The telescope is an excellent choice for beginners due to its ease of use and relatively affordable price point.

2. The 70mm refractor provides a wide field of view, making it suitable for observing larger solar features like sunspots and solar flares.

3. The solar filter is designed explicitly for the telescope and is essential for safely observing the sun without causing any damage to the telescope or one's eyes.

4. The filter blocks 99.9% of harmful solar radiation, ensuring safe solar observation.

5. The telescope's adjustable focus knob allows for precise focusing, enabling clear solar observations.

1. The solar filter may not provide the highest image quality, as it is specifically designed for solar observation and not for general astronomy use.

2. Due to the refractor design, chromatic aberration may be present in solar observations, which can result in color fringing around the edges of solar features.

3. Solar observation requires a stable mount and careful setup to minimize vibrations and ensure accurate tracking.

The National Geographic 80-5072 SRT 70mm Refractor Telescope with the included solar filter (model number 80-5073) is a cost-effective and accessible solution for individuals interested in observing the sun safely. While it may not offer the highest image quality, its wide field of view and ease of use make it an excellent option for beginners and those with a limited budget.

If you're looking to explore solar astronomy and are on a budget, the National Geographic 80-5072 SRT 70mm Refractor Telescope with the included solar filter is an excellent starting point. However, if you're seeking higher image quality or are a more experienced observer, consider investing in a dedicated solar telescope or a higher-end refractor with a dedicated solar filter.

Details:

A smartphone adapter is included for taking pictures through the eyepiece. This telescope is a great choice for anyone looking to explore the wonders of universe. It has a 70mm aperture, suitable for viewing lunar details and bright planetary features. The included solar filter also enables safe viewing of the sun during day.

New open box The mounted Skyview stand allows for easy stargazing and capturing stunning photos of the night sky. The National Geographic SRT70MM 70mm Refractor Telescope is a high-quality telescope designed for both amateur astronomers and photography enthusiasts. With a maximum magnification of 20-39x and 70mm aperture, this telescope offers clear detailed views celestial objects. A solar filter is included for safe observation of the sun, including sunspots and eclipses.

part #: 805072 prices

• $35.00-$50.00

specifications telescuper:

• brand: National Geographic
• mpn: 80-5072
• model: Srt70mm
• lens coating: Fully Coated
• finderscope: Spotting
• objective lens diameter: 61-100 Mm
• maximum magnification: 20-39x
• aperture: 70 Mm
• type: Refractor
• unit type: Lb
• mount type: Skyview
• item height: 24 In
• features: Mounted
• item weight: 2 Lbs

returns telescuper:

• policy: No Returns

seller telescuper:

• # reviews: 59
• city: Benton Harbor, Michigan
• rating: 100.0%

general telescuper:

• Cameras Photo > Binoculars Telescopes > Telescopes
• condition: New

shipping telescuper:

• cost: $9.53
• transit: 5-12 Days
• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• class: Standard

payments telescuper:

• other
• credit card: Mastercard
• wallet: Paypal

offer telescuper:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• best offers: True
• quantity: 1
• started: February 7, 2026

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