AstrOasis Tilt Adjuster (Universal Connector + Backfocus Fine-Tuner)

The AstrOasis Tilt Adjuster is one of those rare accessories that solves multiple real problems at once: sensor tilt, cross-brand camera/filter wheel mating, and that last annoying millimeter of backfocus tuning. You can adjust tilt without detaching your camera from the rest of the imaging train, fine-tune backfocus from 5.0–5.5mm in 0.1mm steps, and seal up light leaks so your flats and darks don’t get sabotaged by stray glow. It’s not just a tilt plate—it’s a universal bridge between ecosystems.

• Easy tilt adjustment without teardown
  • Adjust tilt without removing the camera from the filter wheel or imaging train
  • Supports 3-point or 4-point adjustment
  • 4-point method can target sensor edges or sensor corners for more precise correction
• Broad multi-brand compatibility
  • Designed to connect cameras and filter wheels across popular brands in a consistent way
  • Makes gear more reusable when you mix-and-match ecosystems
• Backfocus fine-tuning built in
  • Adjustable occupied backfocus from 5.0 to 5.5mm
  • 0.1mm resolution so you can actually land the spacing you need
  • Designed to match (or closely match) typical camera tilt-plate spacing, so it usually doesn’t add backfocus (or increases it only slightly, ~1mm)
• Camera-side filter wheel attachment (major convenience feature)
  • When used with AstrOasis Model A filter wheels or Player One filter wheels, screws can be tightened from the camera side
  • Attach the wheel without opening it—less time tightening tiny screws, less chance of dusting filters
• Comprehensive light sealing
  • Seals the tilt adjuster body and the gaps between:
    • Tilt adjuster ↔ camera (via light baffle sponge)
    • Tilt adjuster ↔ filter wheel (via O-ring)
• Hardware included and verified
  • Correct screws for multiple camera brands are tested and included
  • Screws for camera-side filter wheel connection are also verified and included
• Distinctive “star array” design
  • Patterned hole layout inspired by an orderly star field—functional, but also looks legitimately cool in a rig photo

Specifications

• Product type: Camera tilt adjuster + universal camera/filter wheel connector + backfocus fine-tuner
• Backfocus adjustment range: 5.0–5.5mm
• Backfocus adjustment resolution: 0.1mm (six depth levels in 0.1mm increments)
• Tilt adjustment methods: 3-point or 4-point (edges or corners of sensor)
• Materials: Aluminum alloy components
• Construction: 3-part assembly (two red components + one black component)
• Filter wheel connection method: Supports camera-side tightening via Φ80 hole pattern (for supported wheels)
• Light sealing: Light baffle sponge (camera side) + O-ring (filter wheel side)
• Compatibility (as provided): AstrOasis, Player One, QHYCCD, ToupTek, ZWO (cameras and filter wheels)

What’s in the box?

• AstrOasis Tilt Adjuster assembly (3 aluminum alloy components)
  • Camera connector plate
  • Filter wheel connector plate
  • Backfocus fine-tuner ring
• Verified screw sets for supported camera connections
• Verified screws for camera-side filter wheel attachment (where applicable)
• Light sealing materials (light baffle sponge + O-ring)