This high-quality Sextuplet SD glass Petzval astrograph is ideal for astrophotography of large areas.

• Opening 60 mm
• Focal length 276 mm
• Aperture ratio 1:4.6
• Two SD elements for excellent chromatic correction
• 6-element Petzval design for image field correction up to full-frame format
• M48x0.75 mounting thread with sufficient back focus
• Suitable for DSLRs, mirrorless cameras and astro cameras
• 360° camera rotator
• Extender with reduction gear for precise focusing (astrophotography)
• Two viewfinder shoes