WILLIAM OPTICS GT71 Apo Refractor Flattener Rotator Eos Ring F/5.9

( Brand: William Optics ), ( Manufacturer Part Number: GT71 ), ( Type: Telescope ), ( Lens Coating: Multi-coated ), ( Color: Gold ), ( Objective Lens Diameter: 71 Mm ), ( Maximum Magnification: 140x ), ( Features: Anti-reflection Coating, Retractable Hood ), ( Country/region Of Manufacture: Taiwan ), ( Optical Design: Refractor ), ( Application: Astronomy )

Review WILLIAM OPTICS Gold Apo F/5.9 Refractor Flattener Rotator Eos T ring

William Optics GT71 APO F/5.9 Refractor Flattener Rotator EOS T-Ring - A High-Performance Imaging Solution

The William Optics GT71 APO F/5.9 Refractor Flattener Rotator EOS T-Ring is a premium astronomical imaging device, expertly crafted for astrophotographers seeking exceptional image quality and versatility.

At its core, the GT71 is a 71mm aperture, 300mm focal length apochromatic refractor telescope, renowned for its outstanding color correction and high contrast images. The incorporation of extra-low dispersion glass elements effectively minimizes chromatic aberration, ensuring pinpoint stars and vivid planetary details.

The refractor is accompanied by a dedicated flattener/rotator assembly, designed to optimize the telescope's performance with DSLR and mirrorless cameras. The flattener corrects the field curvature, providing a flat and even illumination across the image sensor, while the rotator allows for easy polar alignment and field rotation adjustment.

Equipped with a Canon EOS T-ring, this package caters to photographers using Canon cameras. The T-ring ensures a secure and reliable connection between the camera and the telescope, enabling the seamless capture of celestial images.

With its robust, lightweight, and compact design, the William Optics GT71 APO F/5.9 Refractor Flattener Rotator EOS T-Ring is an ideal companion for both terrestrial and astronomical observations. Whether you're a seasoned astrophotographer or a curious beginner, this versatile system offers the perfect blend of performance, durability, and ease of use for capturing stunning images of the cosmos.

Product: William Optics GT71 APO f/5.9 Refractor Flattener Rotator EOS T-Ring

1. High-Quality Optics: The GT71 refractor is designed with premium ED glass, ensuring excellent image quality with high contrast and minimal chromatic aberration.

2. Focal Length: The focal length of 710mm provides a wide field of view, making it suitable for various astronomical observations.

3. Rotator: The included rotator helps in maintaining stellar images during tracking, reducing the need for frequent re-alignment.

4. T-Ring: The EOS T-Ring allows for direct attachment of Canon EOS cameras, simplifying the setup process.

5. Flattener: The included flattener corrects the field curvature, improving the image quality across the entire field of view.

1. Price: The product is relatively expensive compared to other refractors in the same focal length range.

2. Limited Camera Compatibility: The T-Ring is specifically designed for Canon EOS cameras, limiting its versatility for other camera brands.

3. Size and Weight: The refractor, flattener, and rotator combination result in a larger and heavier setup, which may be a concern for portable observing.

4. Requires Careful Handling: Given its high-quality optics, the GT71 requires careful handling and storage to maintain its performance.

The William Optics GT71 APO refractor offers excellent image quality, a wide field of view, and useful features like a rotator and flattener. However, its high price, limited camera compatibility, size, and weight are factors to consider. If budget and portability are not major concerns, and you're looking for a high-quality refractor for your astronomical observations, especially with a Canon EOS camera, this product could be a great choice. For those seeking a more budget-friendly or versatile option, other refractor telescopes might be more suitable.

Details:

The included flattener and rotator allow for optimal performance versatility. With a 71mm objective lens diameter and multi-coated coating, this telescope offers crisp clear images. The William Optics GT71 Gold FPL-53 Triplet APO f/5.9 Refractor is a high-quality telescope designed for astronomy enthusiasts. This telescope is perfect for DSO .

The retractable hood and anti-reflection coating provide added protection enhance viewing experience. Included are the carrying case, 6AIII .8x flattener/reducer, a rotator, and Canon EOS T-Ring adapter. I am the original owner.

part #: gt71 prices

• $39.85-$42.75

specifications binoculamonocul:

• brand: William Optics
• mpn: Gt71
• type: Telescope
• lens coating: Multi-coated
• color: Gold
• objective lens diameter: 71 Mm
• maximum magnification: 140x
• features: Anti-reflection Coating, Retractable Hood
• country/region of manufacture: Taiwan
• optical design: Refractor
• application: Astronomy

payments binoculamonocul:

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

seller binoculamonocul:

• rating: 100.0%
• city: Edmond, Oklahoma
• # reviews: 449

offer binoculamonocul:

• quantity: 1
• availability: In Stock
• sold: 0
• started: July 6, 2025
• options: Ship-to-home

general binoculamonocul:

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

returns binoculamonocul:

• policy: No Returns

shipping binoculamonocul:

• type: Calculated
• carrier: USPS
• cost: $20.66
• service: USPS Priority Mail
• class: Expedited
• transit: 4-8 Days

William Optics GT71 Is Similar To:

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