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All-Star Telescope is your source for all things astro from telescopes to astrophotography cameras. Have a question? We'd love to help. Email: info@all-startelescope.com Call Us: (587) 336-6621 Toll Free: 1 (866) 310-8844
Have a question? We'd love to help. Email: info@all-startelescope.com Call Us: (587) 336-6621 Toll Free: 1 (866) 310-8844

Antares 1.25" (9.1mm) Speers-Waler Series 4 Eyepiece (SW9S4)

SKU SW9S4
Original price $259.95 - Original price $259.95
Original price
$259.95
$259.95 - $259.95
Current price $259.95

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1.25" 9mm 8-Element eyepiece, 86 Degree Apparent Field, 10mm eye relief, eyeshield, rubber grip, Fully Multicoated, camera adaptable

Description

Speers-Waler Series4 1.25" 9mm offers a wider 86 degree AFOV than Series3 with all the same features. Focal length 9.1mm; Eye relief : 10mm. Elements: (8) The Series4 9mm performance: Edge field curvature (546nM): Sagittal,-0.10mm, Tangential: 0.19mm. Edge lateral color: 0.007mm. Chromatic focal shift (420-656nM)