The Vixen ED80Sf Porta II combines portability with premium optics in one exceptional package. This 80 mm ED apochromatic refractor delivers true-color, high-contrast images—perfect for everything from lunar and planetary views to deep-sky observing and solar eclipses.
Engineered for travel, the ED80Sf is compact, lightweight, and includes a durable carry case for easy transport. The fully multi-coated optics and ED glass elements reduce chromatic aberration and provide sharp, color-accurate performance ideal for both visual observation and astrophotography.
Paired with the popular PORTA II alt-azimuth mount, this kit offers smooth, intuitive pointing with a slip clutch system—no clamps or locks required. The 9x50 finderscope, flip mirror with T2 adapter, and two included NPL eyepieces make it a complete grab-and-go setup right out of the box.
CA Residents: Prop 65 WARNING(S)
⭐ Features & Benefits
- Premium 80mm ED Apochromatic Optics – Delivers crisp, color-accurate views with minimal chromatic aberration, perfect for both planetary and deep-sky targets
- Travel-Ready Design – Compact tube and included padded carry case make this a fantastic grab-and-go setup for eclipses, dark-sky trips, or spontaneous backyard sessions
- User-Friendly PORTA II Mount – Alt-azimuth mount with smooth slow-motion controls and a built-in slip clutch system—adjust by hand, no knobs or clamps required
- Versatile for Imaging & Visual Use – Flip mirror with T2 camera adapter makes switching between eyepiece and camera seamless
- Wide-Field or High-Power Views – Included 6mm and 20mm NPL eyepieces offer great flexibility right out of the box
- Precision Finderscope – 9x50 finder quickly locks onto targets, even in low light
- Accessory-Ready Setup – Comes with an accessory shelf, fine adjustment handles, mounting tool, and 2” eyepiece adapter for expanding your setup
🌟 Who It’s For
- Beginner to intermediate astronomers looking for a high-quality yet portable telescope
- Astrophotographers seeking a lightweight refractor for solar eclipses, wide-field Milky Way shots, or planetary imaging
- Travelers and eclipse chasers in need of a complete observing kit that fits in a single carry case
- Visual observers who want a high-quality secondary telescope or quick-deploy option
🎯 What You’ll Be Able to See
- Crisp lunar detail: craters, ridges, and shadows in high contrast
- Planets like Saturn, Jupiter, and Mars with sharp clarity and accurate color
- Bright deep-sky objects such as the Orion Nebula, Pleiades, and Andromeda Galaxy
- Solar eclipses (with proper solar filter, not included)
- Terrestrial landmarks, landscapes, or wildlife viewing
🎒 What’s Included
- Vixen ED80Sf 80mm ED Refractor Optical Tube
- PORTA II Alt-Azimuth Mount with Adjustable Tripod
- 9x50 Finderscope
- Flip Mirror with Integrated T2 Camera Thread
- Two NPL Eyepieces: 6mm and 20mm
- 2" Eyepiece Adapter
- Tube Rings & Dovetail Bar
- Slow Motion Control Shafts
- Accessory Shelf & Mounting Tool
- Padded Carrying Case for Telescope
📌 Focal Length: 600mm (f/7.5)
📦 Telescope Weight: ~5.5 lbs (without mount)
🪶 Total Kit Weight: ~17.5 lbs (approximate)
Specs
| Optical design | Apochromatic Refractor |
|---|---|
| Aperture | 80 mm |
| Focal length | 600 mm |
| Focal ratio | f/7.5 |
| Visual limiting magnitude | 11.3 (approx. mag) |
| Finderscope | 9x50 mm |
| Eyepieces included | NPL6 mm and NPL20 mm |
| Eyepiece barrel diameter | 31.7 mm |
| Mount type | PORTA II Alt-azimuth |
| Tripod material | Aluminum |
| Type of coating | Multi-coated |
| Maximum load capacity | 5 kg |
Warranty
Vixen warranties its products to be free from initial defects in materials and workmanship for a specified period based on part type:
Vixen Electronic Parts: Limited One Year Warranty
Vixen Mechanical Parts: Limited Two Year Warranty