Sharpstar flattener 2.5 "is a high-class field spreader, compatible with most refractors available on the market (doublets and triplets), allowing to solve the problem of star image distortions at the edges of the telescope's field of view.

The most important features of the Sharpstar 2.5 "flattener

• universal flattener compatible with most refractors (doublets and triplets)
• large back focus enabling the use of a flattener together with an off-axis finder (OAG)

Technical specifications

• multiplicity: 1x
• compatible telescopes: refractors
• compatible focal lengths: up to 1000 mm
• compatible lenses: f / 5 - f / 9

Back focus depending on the focal length of the telescope

• up to 500 mm: 106 mm
• 510 - 600 mm: 101 mm
• 610 - 700 mm: 96 mm
• 710 - 800 mm: 91 mm
• 810 - 950 mm: 88 mm
• 1000 mm: 87 mm

Elements of the set

• Sharpstar 2.5 "flattener

guarantee

24 months