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eyepieces & barlow lenses

Antares 6.0 mm 1.25" Speers-Waler Series 4 - 86° Eyepiece - 3401

Sky Instruments   ——   SKU: SIS-3401
$272.00 CAD
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Antares 6.1 mm 1.25" Speers-Waler Series 4 - 86° Eyepiece

Product Highlights:

  • Antares Speers-Waler Type Series 4 Eyepiece
  • 1.25" Barrel, 6.1 mm Focal Length, 8-Element Eyepiece
  • 86 Degree Apparent Field of View (AFOV)
  • 12 mm Eye Relief
  • Includes Eyeshield
  • Includes a Rubber Grip for secure handling
  • Optics are Fully Multicoated

The Antares Series 4, Speers-Waler Eyepiece is a superb quality eyepiece with a focal length of 6.1 mm and an AFOV of 86°. It is a 1.25" barrel type eyepiece with a 8-element optical lens design. This 6.1 mm 1.25" Speers-Waler Series 4 86° Eyepiece from Antares has a 12 mm eye relief. It includes an Eyeshield, a Rubber Grip for secure handling, and all the optics are Fully Multicoated.

NOTE: Photo shows a digital camera with eyepiece attached for illustration purposes only. This product does NOT include any camera.

Specifications:

Antares Model No: SW6S4
Barrel Diameter: 1.25"
Apparent Field Of View: Wide Angle - 86°
Focal Length: 6.1 mm
Eye Relief: 12 mm
Lens Elements: 8
Optical Design: Speers-Waler
Image Correction: High Quality, Series 4
Edge field curvature (546 nm): Sagittal, -0.04 mm, Tangential: 0.13 mm
Edge lateral color(420-656 nm): 0.027 mm
Chromatic focal shift (420-656 nm): 0.07 mm
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