All-Star Telescope Canada - For All Things Astro!
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Products are usually delivered in 3-7 days.
Products usually ready for pickup from Edmonton Warehouse between 2 and 3.
Speers-Waler Series4 2" 25mm eyepiece offers a wide 75 degree AFOV with superb correction. Focal length 25.0mm; Eye relief : 10mm. Elements:(6) The Series4 25mm performance: Edge field curvature (546nM): Sagittal,-0.22mm, Tangential: 0.23mm. Edge lateral color(420-656nM): 0.009mm. Chromatic focal shift (420-656nM) 0.38mm. Fu performance specifications on request.
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