ORION ED66-CF Carbon Fiber Doublet Refracting Telescope F/6.1 66MM 400MM

( Brand: Orion ), ( Manufacturer Part Number: ED66-CF ), ( Model: ORION ED66-CF ), ( Type: Refractor )

Review ORION Carbon Fiber F/6.166mm Fl 400mm Doublet Refracting Telescope

Introducing the Orion ED66-CF Carbon Fiber F/6.1 66mm Fluorite Doublet Refractor Telescope, a marvel of modern astronomical technology. This telescope is a perfect blend of power and portability, making it an essential tool for both seasoned astronomers and beginners.

At its core is a high-quality fluorite doublet objective lens, which provides exceptional image clarity and brightness. The fluorite elements are known for their superior optical quality and their ability to minimize chromatic aberrations, resulting in sharp, true-to-life images. The telescope's focal length is 400mm, offering a wide field of view for exploring the night sky.

The Orion ED66-CF's carbon fiber tube is both lightweight and rigid, making it easy to transport and set up. Its tube length is 45.5 inches, and it weighs just 12.3 pounds, making it an ideal companion for observing sessions at various locations. The carbon fiber material also provides excellent thermal stability, ensuring that your images remain free from distortion due to temperature changes.

Sporting an f/6.1 focal ratio, this telescope offers a balanced combination of speed and resolution. It is well-suited for observing a wide range of celestial objects, from bright planets and double stars to faint galaxies and nebulae. Its 1.27-inch (32mm) star diagonal provides a generous 31mm of eye relief, allowing comfortable viewing for even those with larger eyeglasses.

The telescope comes with several accessories to enhance your observing experience. These include a 25mm Plossl eyepiece for medium-power observation, a 10mm Plossl eyepiece for high-power observation, a 5x24 finder scope, a StarTest 66mm collimation eyepiece for precise collimation, and a tube ring kit for easier mounting and balancing on your equatorial mount.

The Orion ED66-CF Carbon Fiber F/6.1 66mm Fluorite Doublet Refractor Telescope is a true workhorse, offering impressive performance in a compact and portable package. Whether you're a beginner just starting your journey into the wonders of astronomy or an experienced observer seeking a versatile and reliable instrument, this telescope is an excellent choice.

Orion ED66-CF Carbon Fiber Refractor Telescope: A Comprehensive Analysis

The Orion ED66-CF Carbon Fiber Refractor Telescope is a popular choice among amateur astronomers for its compact size, high-quality optics, and lightweight carbon fiber construction. In this analysis, we will discuss the pros and cons of investing in this telescope to help you make an informed decision.

1. High-quality optics: The telescope features an extra-low dispersion (ED) glass doublet objective lens, which provides excellent image clarity and reduces chromatic aberration. Its f/6.1 focal ratio also offers a good balance between light gathering and field of view.

2. Compact and portable: The carbon fiber construction makes the telescope lightweight (10.6 lbs or 4.8 kg), making it easy to transport and set up. This is particularly advantageous for those who enjoy observing at various locations.

3. Wide field of view: The 66mm objective lens delivers an impressive 1.3 degrees apparent field of view, allowing you to view larger celestial objects without the need for a wide-field eyepiece.

4. Versatile: The telescope is suitable for observing a wide range of celestial objects, from planets and the Moon to star clusters, galaxies, and nebulae.

5. Affordable: Compared to other high-quality refractor telescopes, the Orion ED66-CF is relatively affordable, making it an attractive option for those with a budget.

1. Limited magnification: With a 66mm objective lens, the maximum useful magnification is around 150x. This might not be sufficient for some advanced observing tasks, such as planetary detail or double star splitting.

2. Requires a sturdy mount: Due to its long focal length and lightweight nature, the telescope requires a sturdy mount to ensure accurate tracking and prevent image shaking.

3. Limited aperture: The telescope's 66mm objective lens has a relatively small aperture, which limits its ability to gather light. This can result in less contrast and detail in low-light conditions.

The Orion ED66-CF Carbon Fiber Refractor Telescope is an excellent choice for amateur astronomers who value portability, high-quality optics, and wide fields of view. Its compact size and lightweight carbon fiber construction make it an ideal telescope for those who enjoy observing at various locations. However, its limited magnification and aperture may not be suitable for advanced observing tasks. If you're looking for a versatile and affordable refractor telescope for general observing, the Orion ED66-CF is an excellent investment.

If you're considering purchasing the Orion ED66-CF Carbon Fiber Refractor Telescope, ensure you also invest in a sturdy mount to support its long focal length and lightweight design. Additionally, consider acquiring a high-quality Barlow lens or a set of eyepieces to increase the telescope's magnification capabilities. This will expand the range of observing tasks you can tackle with your new telescope.

Details:

The extra-low dispersion ED optics provide exquisite, true-color views without any chromatic aberrations or color-fringing for amazing optical performance. Basically brand new, only used maybe two times. The telescopes rota table Crawford focused made of CNC-machined aluminum provides dual-speed focus adjustment perfect for dialing in fine details celestial and terrestrial targets. This portable refactors 66mm aperture f/6.1 premium ED optics and small size make it a great telescope to bring along on road trips.

This compact performer measures just 12 long with its extendable dew shield retracted so you can take it anywhere go. Excellent working condition, as I said it looks new is. You'll be impressed by the ED66s performance under starry skies as you enjoy crisp, true-color views of Moon, planets, and brighter deep sky objects. Featuring fully multi-coated FPL-51 ED glass optics, a dual-speed Crawford focused and carbon fiber optical tube, the ED66 Carbon Fiber Refractor is an amazingly versatile telescope.

specifications telescuper:

• brand: Orion
• mpn: Ed66-cf
• model: Orion Ed66-cf
• type: Refractor

seller telescuper:

• # reviews: 9
• city: University Place, Washington
• rating: 100.0%

payments telescuper:

• wallet: Apple-pay
• credit card: Diners-club
• other

returns telescuper:

• policy: No Returns

offer telescuper:

• options: Ship-to-home
• started: October 12, 2025
• availability: In Stock
• sold: 0
• quantity: 1

shipping telescuper:

• cost: $32.33
• carrier: USPS
• class: Expedited
• service: USPS Priority Mail
• transit: 5-11 Days
• type: Calculated

general telescuper:

• Cameras Photo > Binoculars Telescopes > Telescopes
• condition: Open box

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