54mm Petzval APO Refractor Telescope For Astrophotography, Full Frame Compatible, Pro Grade Precision Focus, Variable Aperture F4.5 To F22, EAF Mount Kit Included, Flat Field, Coma Free, APO SLR Lens Ready, For Astro Buffs
✔️ Full-frame compatible APO triplet with flat field, EAF ready kit
This 54mm Petzval APO refractor is built for astro buffs who shoot wide-field deep-sky targets. It’s designed for 44mm full-frame sensors without vignetting and is compatible with DSLR, mirrorless, and astronomy cameras for breathtaking wide-field images.
✅ Petzval APO triplet lens delivers flat field and coma-free performance
✅ Precision focus system with 2.67-3.22 mm travel for zero back-focus
✅ Full-frame compatible across DSLR, mirrorless, and astronomy cameras
✅ Variable aperture from F4.5 to F22; lightweight for travel
✅ EAF-ready mount kit: 2" filter holder, M72 front thread, 360° rotatable tube
💡 What is a Petzval APO refractor used for in astrophotography on full-frame sensors?
This handy device helps you capture crisp stars and wide-field astro images with minimal aberrations.
- Petzval APO refractor minimizes coma and chromatic aberration for sharp star fields
- Ideal for deep-sky imaging with DSLR or mirrorless cameras
- Flat field preserves edge-to-edge sharpness across the frame
- Compatible with EAF for hands-free, long-exposure sessions