Antares 1.25" (9.1mm) Speers-Waler Series 4 Eyepiece (SW9S4)

Antares 1.25" (9.1mm) Speers-Waler Series 4 Eyepiece (SW9S4)1. 25" 9mm 8 Element eyepiece, 86 Degree Apparent Field, 10mm eye relief, eyeshield, rubber grip, Fully Multicoated, camera adaptable 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)

All these various anti-reflection coatings on each glass surface were then optimized so that they are most effective where the human eye has its highest sensitivity at night - at about 520 nm - in the green region of the spectrum

Small size and lighter weight permit use of lighter-duty tripods for easy field carrying and transportation

TeleVue Plössls deliver sharper images than any other brand of 4 or 5 element "Plössls" or Orthoscopic designs

female M48

Lens Coatings: Multi-Coated Prism Glass (Type): BK7 Prism Coatings: N/A Weight: 27

Although designed as an imaging optical tube

5 Resolution (Rayleigh): 1

7 with included eyepiece Limiting Stellar Magnitude: Ideal: 11

or even a telescope located hundreds of miles away

Your phone should now be secure and ready for imaging

AVX mount will help you get started with the hobby and keep up with your needs for years to come

White in body colour