
Vixen Optics SD115S 115mm f/7.7 ED APO Refractor Telescope
Vixen Optics SD115S 115mm f/7.7 ED APO Refractor Telescope is backordered and will ship as soon as it is back in stock.
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Vixen Optics SD115S 115mm f/7.7 ED APO Refractor Telescope
Features
- 115mm / 4.5" Refractor-Style OTA
- 890mm Focal Length
- f/7.7 Focal Ratio
- FPL53 Extra-Low Dispersion Glass
- Apochromatic Lens Configuration
- Anti-Reflection Multi-Coated Optics
- 60mm and 42mm Adapter Threads
- 1.25" Dual-Holder Flip-Mirror Diagonal
- Mounting Rings with Vixen Dovetail
- 7x50 Illuminated-Reticle Finderscope
- OTA Only, Mount Head and Tripod Required
Ideal for visual observation as well as prime focus, eyepiece projection, and afocal imaging astrophotography techniques, the Vixen Optics SD115S 115mm f/7.7 ED APO Refractor Telescope has the largest aperture and longest focal length in the series, boosting its light-gathering ability and magnification potential up from the smaller models—making this an ideal optical tube for any astronomer or photographer who wants to view and photograph the moon, planets and deep sky objects.
A new apochromatic refractor with high-performance Super ED glass (SD). The FPL53 glass reproduces an extremely clear and sharp image by eliminating residual chromatic aberration. Another advantage of these SD refractors is their short length and lightweight design.
The SD glass is designed to focus all beams of violet, red, blue, yellow and green light exactly onto the same level. The special lens material reduces chromatic aberration across all colors. Together with the new optional SD Reducer HD Kit or SD Flattener HD, these refractors provide illumination with a 44 mm image circle for full-frame SLR cameras.
The ED81SII, ED103S and ED115S refractors were originally designed for visual observers or photographers with an APS-C camera. However, the new SD series features new inner panels which are optimized for full-frame cameras. The large focuser allows you to attach heavy cameras without the telescope tilting. The telescope also comes with a folding mirror for making observations in unfavorable conditions, as well as a T2 thread for connecting a DSLR camera.
- High-quality SD refractor with 115 mm aperture
- Bright, pure-color and extremely sharp image
- Also suitable for full-frame cameras
- Portable and lightweight, despite large aperture
- Very high contrast thanks to SD glass
- Ideal for observing the moon and planets
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