What is the aperture and focal length of the new Askar SQA130 astrograph?

The Askar SQA130 astrograph features a large 130mm objective lens aperture and a focal length of 624mm, resulting in a focal ratio of f/4.8.

What is the optical design of the Askar SQA130, and what kind of glass is used?

The Askar SQA130 utilizes a 5-element in 5-group air-spaced Petzval design, incorporating two SD (Special Low Dispersion) glass elements to correct aberrations and deliver high-contrast images.

What is the image circle coverage of the Askar SQA130, and how does it perform at the edges?

The Askar SQA130 supports a medium format image circle (φ55mm), covering full-frame sensors (φ44mm) with abundant peripheral illumination, reaching approximately 85% at the edge of medium format and 95% at the edge of full-frame.

What are the key mechanical features of the Askar SQA130 designed for astrophotographers?

The Askar SQA130 features robust and lightweight CNC-machined aircraft-grade aluminum tube rings with a hollowed-out design and large thumb screws for tool-free adjustments, even with gloves on.

When will the Askar SQA130 astrograph be released, and by which company?

The Askar SQA130 astrograph will be released on March 27, 2026, by Syumtron Japan Inc. under the Askar brand.

AI News NQ Analysis

Launch of the Askar 'SQA130' Astrograph: 130mm Aperture, 5-Element/5-Group (2 SD Glass) Ultra-High Resolution Petzval Design

NQ Score 56/100

AI analysis data is not yet available.

Frequently Asked Questions

Q: What is the aperture and focal length of the new Askar SQA130 astrograph?: A: The Askar SQA130 astrograph features a large 130mm objective lens aperture and a focal length of 624mm, resulting in a focal ratio of f/4.8.
Q: What is the optical design of the Askar SQA130, and what kind of glass is used?: A: The Askar SQA130 utilizes a 5-element in 5-group air-spaced Petzval design, incorporating two SD (Special Low Dispersion) glass elements to correct aberrations and deliver high-contrast images.
Q: What is the image circle coverage of the Askar SQA130, and how does it perform at the edges?: A: The Askar SQA130 supports a medium format image circle (φ55mm), covering full-frame sensors (φ44mm) with abundant peripheral illumination, reaching approximately 85% at the edge of medium format and 95% at the edge of full-frame.
Q: What are the key mechanical features of the Askar SQA130 designed for astrophotographers?: A: The Askar SQA130 features robust and lightweight CNC-machined aircraft-grade aluminum tube rings with a hollowed-out design and large thumb screws for tool-free adjustments, even with gloves on.
Q: When will the Askar SQA130 astrograph be released, and by which company?: A: The Askar SQA130 astrograph will be released on March 27, 2026, by Syumtron Japan Inc. under the Askar brand.