Altair 60mm F5 EDQ Dual ED Flat Field F5.0 Quad APO Astrograph Refractor

Altair 60mm F5 EDQ Dual ED Flat Field Quad APO: Compact Powerhouse for Serious Imaging

Designed from the ground up for astrophotographers, the Altair 60mm F5.0 EDQ Quad APO delivers razor-sharp, flat-field images straight out of the box—with no need for reducers or flatteners. Whether you shoot with a mirrorless camera, DSLR, or a dedicated CMOS astro cam, this compact, travel-ready refractor delivers high-performance imaging with dual ED precision optics.

Key Features for SEO & Performance

• True Flat-Field Astrograph – No Flattener Required

  • Quad-element lens design with integrated field correction

  • Delivers edge-to-edge sharpness on APS-C and beyond

  • Outperforms camera lenses—even high-end models costing 2–3x more

• Dual ED Glass for Apochromatic Quality

  • Two ED (Extra Dispersion) elements eliminate chromatic aberration

  • Apochromatic optical performance for crisp star color and contrast

• APS-C Format Coverage

  • Perfect match for Altair Hypercam 26C/26M and 2600-series sensors

  • Excellent image circle coverage for most popular astro cameras

• Enhanced Rack & Pinion Focuser

  • Dual-speed precision focuser with upgraded bearings for minimal flex

  • Direct-drive compatibility with Altair AAF Motor Focuser, Pegasus FocusCube, and more

  • 20mm focuser travel, M48 rear threads, 59mm backfocus for full-frame cameras

• Real-Time Tilt Adjustment System

  • Four rear collimation screws for precise image-train tilt correction

  • Easy adjustment using live feedback from imaging software

• 360° Rotating Camera Angle Control

  • Field rotator allows easy framing of targets without touching the imaging train

• Built for Travel & Portability

  • Only 260mm long with dew shield retracted (315mm extended)

  • Lightweight design at just 7kg with tube rings, handle, and dovetail bar

• Mounting Flexibility Included

  • 250mm Vixen-style dovetail and top handle with Arca/Vixen combo slots

  • Easily top-mount a guidescope with Altair TMS Quick Release Clamp

• Premium Build & Warranty

  • Altair Astro QC inspection for consistent quality

  • 2-year return-to-base warranty covers defects under reasonable use

• Important Note

  • Not suitable for white-light or H-alpha solar imaging without a proper Altair solar filter or ERF (sold separately)

If you’re ready to upgrade from DSLR lenses to serious astro glass, the Altair 60mm F5 EDQ Quad APO delivers uncompromising flat-field performance, color correction, and portability—engineered specifically for astrophotographers.