PlaneWave Instruments has developed a lineup of astrograph telescopes that meet the needs of advanced imaging applications.

Achieve stunning astrophotographs with DeltaRho’s wide fields of view and fast focal ratios that efficiently collect vast amounts of light. A perfectly flat field ensures exceptional clarity from corner to corner of the image without field curvature degrading the photos.

• Optical Tube Assembly only
• Corrected Cassegrain focus optical design
• Aperture: 350 mm
• Focal length: 1,050 mm
• Focal Ratio: f/3
• 60 mm Image Circle > 3 degrees
• Fixed Primary Mirror
  Collimation performed via 3 tip/tilt screws at the secondary mirror
• Backfocus of 5.651” (143.535 mm) from mounting surface (without focuser and rotator). This distance includes refraction from filters
• Backfocus of 2.525″ (64.135 mm) with Series-5 focuser and Series-5 Rotator installed (with focuser at midpoint of travel range)
• Built in primary and secondary dew heaters with temperature sensors