Pay in 4 interest-free payments of $44.88 Learn more
Ships within 48 hours · Estimated delivery Sep 21 - Sep 26
Weight: 405g
38mm clear aperture optics are housed in a machined
75 pitch) threads
ZWO FF131 APO Flat-Field Apochromatic Refractor
Equipped with William Optics' WIFD focuser
ZWO 7-Position EFW (7x2") 2025 Like New Weight: 405gThe Next Generation ZWO EFW Refined Design Anti Light Leak Protection Built for Astrophotography A re engineered internal design helps reduce light leakage, while the refined mechanics deliver smoother, more consistent rotation. The exterior has been subtly streamlined, giving the wheel a cleaner and more cohesive look. Nothing dramatic. Just better in the ways that matter so your imaging workflow stays steady, reliable, and quietly improved. The ZWO
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