Svbony SQA106: Premium 106mm Quintuplet Petzval APO Astrograph Aperture and Optics: Features a 106mm aperture with a quintuplet Petzval design, including two SD glass elements, delivering exceptional image clarity and color correction. Focal Specifications: Offers a focal length of 509mm and a fast focal ratio of f/4.8, ideal for wide-field astrophotography. Compatibility: Supports full-frame (44mm) and medium format (55mm) sensors, accommodating a variety of imaging setups. Build and Dimensions: Constructed with a total length of 516mm (dew shield contracted) to 586mm (dew shield extended) and an OTA weight of 5.82kg, ensuring portability and ease of use. Rear-End Adapters: Equipped with M48, M54, and M68 adapters, supporting a back focus range of 48-78mm (recommended 55mm) for versatile camera connections. Included Accessories: Comes with an Oxford cloth case for secure storage and transport. The Svbony SQA106 is designed for astrophotographers seeking high-quality, wide-field imaging capabilities. Specifications SQA106 Parameters Aperture size 106mm Focal length 509mm Focal ratio f/4.8 Objective lens Quintuplet petzval APO（including two pieces of SD glass） Total length 516mm(when the dew shield is contracted)586mm(when the dew shield is stretched) Format specifications full frame（44mm），upgrade to the medium format(55mm) OTA weight 5.82kg Gross weight（including tube ring and dovetail plate） 8.12kg Rear-end thread type M48/M54/M68 adapters Rear-end connection distance Support 48-78mm range (Recommended connection length is 55mm) Standard package items a SQA106 OTA, an Oxford cloth caseS
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