Askar SQA106 Petzval Astrograph
$3,395.00
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Specifications 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 case
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