The ED103S Refractor Telescope from Vixen is an apochromatic 795mm f/7.7 refractor that delivers excellent optical performance in a shorter and easy-to-handle optical tube. Featuring a high-definition ED lens and a 4.0" aperture, the ED103S is an excellent choice for viewing most planets and a great number of stars. Vixen's Dual Speed Focuser ensures rapid and fine focusing with ease.
The ED103S features ED lenses for brighter, clearer, and crisper imaging. These lenses produce high-contrast views that are virtually free of false color. They're capable of focusing the full visible spectrum with extreme accuracy - chromatic aberrations are minimized to nearly undetectable levels.
Optical Performance
- 795 mm, f/7.7 - 4.0" aperture
- Optical system: apochromatic refractor
- Environmentally-friendly lead-free ED glass
- High contrast imaging with critical edge-to-edge sharpness
- Nearly free from chromatic aberrations across the visible spectrum
Sphinx SXD Motorized Equatorial Mount
- Capacity: 50 lb/23 kg
- Slewing speed: ≤5°/sec
- Built-in manual movement clutches
- 180-Tooth brass worm gearing motion
- Solid steel movements with needle bearings
- Counterweights: 1x 4.2 lb/1.9kg - 1x 8.2 lb/3.7 kg
- Simulates vertical/horizontal altazimuth motion control
- Retractable counterweight shaft for ease of storage/transport
- Built-in servo motors improve motion, reduce need for counterweights
9.0" Half Pillar for Sphinx Mounts
- 9.0"/23 cm riser
- Prevents equipment obstructions
Aluminum SX-HAL130 Tripod
A solid platform designed for the Sphinx mounts. The tripod height varies from 31"/81 cm to 52"/130 cm and it weighs in at 12.0 lb/5.5 kg.
Starbook Go-To System
- Advanced astronomical hand controller
- LCD screen: 4.7", 4096-color, 320 x 420 pixels
- RISC processor,75 MHz, 32-Bit, 8MB SDRAM, 4 MB Flash ROM
- Detailed star chart acts as a navigational and GOTO guide for the mount
- Zoom-In/Out buttons for the color star chart display also control the motor speed
- Features/ menu options are navigated easily by pushing buttons on the controller
Dual Speed Focuser
Enables one-handed coarse and fine focus adjustments
Flip Mirror System
- Accepts 1.25" eyepieces
- 2.0" Focuser barrel accepts 49 mm filters
- Each output is threaded for 42 mm T-mounts
- Allows rapid switching between vertical and horizontal viewing
NLV 25 mm Lanthanum Eyepiece
- 1.25"
- Eye relief: 20 mm
- Fully multicoated on all air-to-glass surfaces
- Lanthanum glass ensures sharp views with excellent contrast
7x50 Finderscope
- large bright exit pupil
- Achromatic objective lens
- Kellner-type eyepiece system
- Mounting bracket attaches to matching shoe fitted to the OTA
- floating illuminated dot ensures rapid and accurate alignment