Sharpstar 13028HNT-AL telescope (SKU: 13028HNT-AL)

Sharpstar 13028HNT-AL telescope (Sharpstar, SKU: 13028HNT-AL) is a Newtonian astrograph with a hyperbolic primary mirror and a lens corrector in the focuser. Its aluminium tube and f/2.8 focal ratio form a system designed for imaging extended deep-sky objects.

Key features

• hyperbolic primary mirror made from PZ33 glass
• corrector with an extra-low-dispersion ED element
• focuser equipped with a camera rotator
• metal construction with an aluminium tube

Included items

• optical tube: 13028HNT-AL with corrector and focuser
• mounting rings
• dovetail plate: Vixen, 290 mm

Technical specifications

• optical design: Newtonian with a hyperbolic primary mirror
• aperture: 130 mm
• focal length: 364 mm
• focal ratio: f/2.8
• primary mirror material: PZ33
• corrector: 2 air-spaced elements, including 1 ED element
• secondary mirror minor axis: 65 mm
• image circle diameter: 44 mm
• backfocus from the M48 connection: 55 mm
• focuser load capacity: 3 kg
• tube material: aluminium
• tube outside diameter: 174 mm
• tube length: 400 mm
• optical tube weight: 3.8 kg
• weight with mounting hardware: 4.8 kg
• dovetail standard: Vixen

The short focal length and corrected full-frame field suit imaging extended nebulae and star fields.