User manual Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS
Operating instructions and pdf manual for use - Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS User manual, User manual Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS, Vixen, Optics, ED81S, Refractor, Telescope, with, SX2, E
User manual for Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS
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User manual for the Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS
The user manual for the Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS provides
necessary instructions for the proper use of the product Optics - Telescopes - Refractors.
This ED81S Refractor Telescope bundle from Vixen Optics includes four main components, a telescope, a tripod, a mount, and an electronic hand controller. These items are combined to create a capable and user-friendly rig for celestial object viewing.
Vixen's ED81S Refractor Telescope is an apochromatic refractor with a focal length of 625mm and an aperture of 81mm. It combines the assets of "Super Low Dispersion" glass in the objective lens and a fast f/7.7 focal ratio to deliver clear, wide-field deep-sky imagery. The SD glass lenses produce a crisp, high-contrast field of view that is virtually free of false color. They are capable of focusing the visible spectrum with accuracy and chromatic aberrations are minimized as well.
The ED81S is extremely stable yet it only weighs 5.1 lb. It is fitted with 90mm mounting rings. A dovetail plate is provided, as well as a carry handle. This bundle includes Vixen's 20mm SLV Series 1.25" Eyepiece, a 5mm SLV Series 1.25" Eyepiece, plus a flip mirror diagonal to enable accurate, visual framing and focusing for astrophotography. On the ED81S, the 20mm eyepiece provides 31.25x magnification, while the 5mm eyepiece provides 125x magnification. The flip mirror diagonal can be configured with one of the included eyepieces and a camera. When an interesting object has been located, the Vixen Dual Speed Focuser offers a quick, or a fine 1/7th speed focus for critical observation.
Made for long observation sessions, Vixen's Sphinx SX2 Equatorial Mount features precision motors and gears for accurate long-duration tracking. Dual stepper motors provide smooth and virtually vibration-free tracking that run at up to 250 pps. Its full-circle brass wheel gear allows the mount to track over extremely long periods with little error. The RA and DEC motors are situated inside the mount to reduce interference, and act as counterbalance for smaller scopes, eliminating the need for the counterweights and shaft. When not in use, the counterweight shaft retracts into the mount and out of the way. The Sphinx comes with the Star Book One (SB1) hand controller to help find, observe, and track celestial objects. Since near and deep sky objects appear to move at different speeds, the SB1 features celestial, solar, lunar, and King's rate tracking speeds. An integrated autoguider port adds to the mount's usability.
The provided tripod on which to rest the telescope, mount, and hand controller is Vixen's HAL 130 tripod. Its adjustable height allows the user to set the position of the telescope to their liking for easy and comfortable viewing. The top of the tripod is powder-coated with a durable finish that resists chipping, flaking, and fading. The tripod is collapsible for convenient storage and portability.
Also included in this bundle is Vixen's Red Dot Finder to aid in centering observed objects, a compression ring that allows the use of 2.0" eyepieces, and a half pillar which contributes approximately 8.0" of additional height to the mount. This provides clearance when attaching a DSLR to the rear or the telescope, and increases comfort for taller observers as well.
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Additional parameters of the Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS:
Specifications
Optical Design
Refractor
Aperture
81 mm
Focal Length
625 mm
Focal Ratio
f/7.7
Eyepiece Barrel Diameter
1.25"
Diagonal
Flip mirror
Finder
Red dot sight
Tripod
2-stage, adjustable-height
Mount Type
German equatorial
Power Source
12 VDC
Optical Tube Dimensions
23.0 x 3.5" (58.5 x 9.0 cm)
Weight
Optical Tube: 5.1 lb (2.3 kg) Mount: 15.5 lb (7.0 kg), excluding counterweights Tripod: 12.1 lb (5.5 kg)
The user manual for the Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS can be downloaded in .pdf
format if it did not come with your new refractors, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other Vixen Optics users keep a unique electronic library
for Vixen Optics refractorss,
where you can use our link to download the user manual for the Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS.
The user manual lists all of the functions of the Vixen Optics ED81S Refractor Telescope with SX2 EQ 25074DS,
all the basic and advanced features and tells you how to use the refractors.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from Vixen Optics service.
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