Vixen' s NEW AX103S, f/8.0 Refractor features a three element objective lens, incorporating a central ED lens. This reduces chromatic aberration and yields high contrast images. In combination with the rear Field Corrector Lens, the AX103 Refractor yields clear images to the edges of the field of view.
"Precision Multi-Coating" applied to the lenses, assures high light transmission. Astronomy Magazine states "Its superb optics allow high magnification views". Read the full Review. The built in Dual Speed Focuser enables coarse and fine focus adjustments. Sky at Night Magazine states: "With its excellent build quality and rich feature set, we thoroughly recommend this system if you’re looking to upgrade from your current setup". Read the full review. Manufactured in Japan and covered by a 5 Year Warranty.
Purchase Your AX103S Refractor t at these VIP Dealers: Adorama • Camera Bug • Canadian Telescope • Hands on Optics • KW Telescope • Opt Telescopes • Woodland Hills Telescope
| Optical Design |
ED Apochromatic Quad Element Refractor |
| Aperture |
103 mm (4") |
| Focal Length |
825mm |
| Focal Ratio |
f/8.0 |
| Coating |
Multi Coating |
| Resolving Power |
1.13 arc sec |
| Limiting Magnitude |
11.8 |
| Light Gathering Power |
217x |
| Finder Scope |
Optional |
| Adapter Thread |
60mm/50.8mm |
| Astrophotography |
Prime Focus, Eyepiece Projection and Afocal Imaging |
| Outside Dew Shield Diameter |
140mm |
| Visual Back |
Compression Ring |
| Optical Tube Length |
27 (690mm) |
| Optical Tube Diameter |
4.5" (115mm) |
| Optical Tube Weight |
10 lbs |
| Accessories |
Tube Rings |
| Available Accessories |
Flip Mirror Diagonal; Dovetail Plate; 7x50 Illuminated Finder Scope; Carry Handle |
| The chromatic aberration on the visible spectrum and spot diagrams provide exceptional color correction and crisp sharp images. Star images are less than 20 microns on the edge of the imaging field. Vixen's "Precision Multi-Coating" is applied to every lens surface and assures extremely high light transmission. |
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AX103S Chromatic Aberration & Spot Diagram |
AX103 Light Path Diagram |
AX103S Accessories
Focal Reducer #37228
Reduces Focal Length by 0,7x; 825mm to 578mm (f/5.6); For APS Format Cameras. Requires wide photo adapter and appropriate T Ring. Instructions Here
Use with Extension Tube |
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Extension Tube #2957
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$299
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$15.95
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