AstroStreet GSO 90° ST Crown Mirror, For SCT, Made in Taiwan
Made in Taiwan, high cost performance 2 inch zenith mirror is a virtually solid model with a high performance mirror.
AstroStreet GSO 90° ST Crown Mirror, For SCT, Made in Taiwan
Item #: 209112043

AstroStreet GSO 90° ST Crown Mirror, For SCT, Made in Taiwan

Item #: 209112043
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Made in Taiwan, high cost performance 2 inch zenith mirror is a virtually solid model with a high performance mirror.
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What Stands Out

Enhanced View Angle
The 90° design of the Zenith Mirror allows for a comfortable and natural viewing position, reducing neck strain during extended observation sessions for astronomers of all experience levels.
High quality craftsmanship
Manufactured in Taiwan, the Zenith Mirror showcases exceptional build quality and precision optics, ensuring clear and sharp images while enhancing overall performance in astrophotography and stargazing.
Compatible Design
Specifically crafted for SCT telescopes, this mirror offers seamless integration and functionality, allowing users to maximize their telescope's capabilities without compromising image quality or focal length.

Product Details

Shop AstroStreet GSO 90° ST Crown Mirror, For SCT, Made in Taiwan online at a best price in Australia. B071LSB8G4
Focus TypeManual Focus
Field Of View90 Degrees
codeGSO, 90 degree field of view, 1/10 wave accuracy, 92% reflectivity 2"SCT mirror
Objective Lens Diameter50.8 Millimeters
Item Weight20.9 Ounces (592.52 grams)
BrandAstroStreet
ManufacturerAstroStreet
Manufacturer Part Number462266
Model Number462266

Who Should Buy?

Suitable For
  • Amateur Astronomers

    Ideal for enthusiasm seeking enhanced viewing experiences through Schmidt-Cassegrain Telescopes with minimal light loss.

  • Astrophotographers

    Benefits those capturing images through SCTs, providing a correct image orientation and improved optical performance.

  • Field Observers

    Great for users needing a comfortable eyepiece position during extended observing sessions with minimal strain.

Not Suitable For
  • Beginner Users

    May confuse novices unfamiliar with optical components and adjustments necessary for proper SCT operation.

Product Description

AstroStreet GSO 90° ST Crown Mirror, For SCT, Made in Taiwan

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the reflectivity of the mirror?

    Answer: The mirror has a reflectivity of 92%.
  • Question: Is an adapter included with the zenith mirror?

    Answer: Yes, it includes a 1.2 inch (31.7 mm) adapter.
  • Question: What is the accuracy of the mirror?

    Answer: The mirror has 1/10 wave accuracy.

AstroStreet(アストロストリート) Diagonals 462266 Editorial Review

The AstroStreet GSO 90° ST Zenith Mirror has elicited a mixed response from customers, reflecting both appreciation and disappointment. Many users express satisfaction with its quality, noting that it performs adequately for their astrophotography and observation needs. A user remarked on the high quality of the product, feeling satisfied with their purchase. However, contrasting experiences highlight concerns with assembly and compatibility issues, particularly with specific eyepieces such as those from PENTAX, suggesting that the product may not be universally compatible with all equipment. Some reviews also mentioned discrepancies between the product received and what was advertised, leading to dissatisfaction regarding expectations. Issues such as the presence of debris in the product's packaging and complications when integrating the device with certain telescopes contributed to a negative experience for some users. Although there are concerns regarding the internal mechanism and how it interacts with eyepieces, others found it practical for their telescopic setups. Ultimately, while some users cherish its functionality and find it useful for their observational needs, others feel frustrated by compatibility and quality control problems, arguing about the overall value proposition of the product. **

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Pros

  • High-quality Construction and material.
  • Satisfactory performance for certain telescopes and setups.
  • Affordable compared to other products in the category.

Cons

  • Discrepancies between advertised and received product.

Platform Trust & Buyer Confidence

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4/5 294 reviews
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Chris
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“Promt delivery. Seems like a good product.”

22 July 2026 · via Trustpilot
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Scott
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“It was the best service ever received by any company from my online shopping experience in the last 10yrs”

11 July 2026 · via Trustpilot
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Terri
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“so easy to order delivery was way earlier than i expected”

3 July 2026 · via Trustpilot
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Gavin
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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”

21-Jul-26 · via Trustpilot
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Jeannie
Verified buyer

“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”

17-Jul-26 · via Trustpilot
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