Antares Eyepiece Antares 2" 25mm 74 Degree Speers-Waler Series 4 Eyepiece - SW25S4
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Antares Eyepiece Antares 2" 25mm 74 Degree Speers-Waler Series 4 Eyepiece - SW25S4

Antares 2" 25mm 74 Degree Speers-Waler Series 4 Eyepiece - SW25S4

AntaresSKU: SW25S4
Price:
$227 CAD
Stock:
In stock: 2 units - Most orders placed by 2PM EST will be shipped out the same day (weekdays)
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Description

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.

Full performance specifications on request.

Additional Resources

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