Sky Instruments(Antares)

Antares 2in 25mm 74 deg.AF Speers-Waler Series4

(No reviews yet) Write a Review
SKU:
ANT-SW25S4
MPN:
3404-SW25S4
Condition:
New
Your price: $250.00

Description

Antares 2in 25mm 74 deg.AF Speers-Waler Series4

 

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.

View AllClose