ASTRO TECH Quad Refractor Telescope Sesto Senso Astrotech AT-65EDQ F/6.5 Autofocuser

( Brand: Astro Tech ), ( Manufacturer Part Number: AT65EDQ ), ( Model: ASTRO-TECH AT65EDQ ), ( Type: Refractor ), ( Lens Coating: Multi-coated ), ( Aperture: 65mm )

Review ASTRO TECH Astrotech F/6.5 Quad Refractor Telescope Sesto Senso Autofocuser

The Astro-Tech AT65EDQ, also known as the Sesto Senso F/6.5 Quad Refractor Telescope with Senso Autofocuser, is an impressive and sophisticated astronomical instrument designed for serious observers and astrophotographers. This telescope boasts a large 65mm quartz doublet objective lens, which gathers a substantial amount of light, making it ideal for observing faint deep-sky objects and delivering stunning image quality.

The telescope's focal length is 387mm (F/6.5), providing a wide and clear field of view. This combination of a large aperture and moderate focal length makes it versatile for various observing applications, from planetary observation to deep-sky imaging. The optical tube assembly is constructed with high-quality materials, ensuring excellent collimation and optical performance.

The Sesto Senso autofocuser is an innovative addition to this telescope, enabling it to achieve precise and accurate focus. This autofocuser utilizes a stepper motor and microprocessor control to detect the position of the focus knob and then moves it to the optimal position for your specific observing or imaging target. The system also includes a hand controller for easy operation and a USB interface for connecting to a computer for remote control and software upgradeability.

The telescope's tube length is 468mm (18.4 inches), and it comes with a Vixen-style dovetail mounting plate for easy attachment to various mounts. The included 2-inch dual-speed Crayford-style focuser offers 10:1 reduction, allowing for fine adjustments and precise focusing. The telescope is also compatible with various eyepieces and accessories, expanding its versatility for various observing and imaging applications.

The Astro-Tech AT65EDQ is a high-performance, feature-rich telescope that caters to the needs of dedicated astronomers and astrophotographers. Its large aperture, moderate focal length, and innovative autofocuser make it an excellent choice for those seeking exceptional image quality and ease of use.

Astro-Tech AT65EDQ Quad Refractor Telescope with Sesto Senso Autofocuser: A Detailed Analysis

The Astro-Tech AT65EDQ Quad Refractor Telescope, equipped with the Sesto Senso Autofocuser, is an intriguing option for astrophotography enthusiasts. In this analysis, we will discuss the key features, pros, cons, and provide an Recommendation.

The Astro-Tech AT65EDQ is a quadruple-apochromatic refractor telescope with a 65mm objective lens and an f/6.5 focal ratio. This telescope is designed for visual observation and astrophotography, providing high-quality images with excellent color correction and contrast. The Sesto Senso Autofocuser is an advanced accessory that makes focusing easier by automatically adjusting the focus position using a stepper motor.

1. High-quality optics: The quadruple-apochromatic design of the telescope minimizes chromatic aberrations, allowing for sharp and clear images.

2. Versatile: Suitable for both visual observation and astrophotography, making it a great all-around choice for various applications.

3. Autofocuser: The Sesto Senso Autofocuser simplifies the focusing process, ensuring accurate and consistent focus.

4. Portability: The compact size and lightweight design make it easy to transport for observing sessions at various locations.

5. Wide field of view: The relatively large objective lens provides a wide field of view, allowing for capturing larger areas of the night sky.

1. Price: The combination of the high-quality telescope and the advanced autofocuser comes with a relatively high price tag.

2. Requires additional accessories: To make the most of this telescope, additional accessories such as a mount, camera, and imaging software may be necessary.

3. Limited aperture: The 65mm objective lens has a smaller aperture compared to larger telescopes, which may result in less light gathering ability and lower sensitivity.

4. Cooling: The telescope may require cooling to maintain optimal performance during long imaging sessions, which could add to the overall complexity and cost.

The Astro-Tech AT65EDQ Quad Refractor Telescope with Sesto Senso Autofocuser offers high-quality optics, versatility, and the convenience of an autofocuser, making it an excellent choice for astrophotography enthusiasts and advanced visual observers. However, the relatively high cost and additional accessory requirements should be considered before making a purchase.

If you are an astrophotography enthusiast with a budget for high-quality equipment and are looking for a compact and versatile telescope with an autofocuser, the Astro-Tech AT65EDQ Quad Refractor Telescope with Sesto Senso Autofocuser is an excellent choice. However, for those with a smaller budget or who prioritize a larger aperture, alternative options may be worth exploring.

Details:

Comes with a finder shoe, dust caps, 12 ADM vixen dovetail bar on the bottom, rings, and 3d printed accessory rail/handle top for mounting mini PC or whatever else. It will take any USB-C that does data. I do not have the fine focus knobs unfortunately, which is why autofocuser on there. 65mm f/6.5 quadruplet Astro graph in the form of an ED triplet with a rear built-in flattening element.

The Sesto Senso will come with its original box, but I don't have a USB cable for it. Great wide-field imaging scope, but it is a bit redundant with equipment I already have, so am getting rid of. Attached as well is the Sesto Senso 2, which works with this setup. But I prefer an autofocuser anyhow.

part #: at65edq price

• $650.00

specifications telescuper:

• brand: Astro Tech
• mpn: At65edq
• model: Astro-tech At65edq
• type: Refractor
• lens coating: Multi-coated
• aperture: 65mm

general telescuper:

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

offer telescuper:

• sold: 0
• started: March 8, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

seller telescuper:

• city: Athens, Georgia
• # reviews: 81
• rating: 100.0%

shipping telescuper:

• class: Standard
• service: USPS Ground Advantage
• carrier: USPS
• transit: 5-11 Days
• type: Calculated
• cost: $0.00

returns telescuper:

• policy: No Returns

payments telescuper:

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

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