Sky Instruments(Antares)
Antares 1.25in 9.1mm 86deg.AF Speers-Waler Series4
- SKU:
- ANT-SW9S4
- MPN:
- 3402-SW9S4
- Condition:
- New
Description
Antares 1.25in 9.1mm 86deg.AF Speers-Waler Series4
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) 0.09mm.