Explore Scientific 10" Truss Tube Dobsonian Telescope

Description

Product Highlights

10" / 254mm Aperture
1270mm Focal Length, f/5 Focal Ratio
10:1 2" Dual-Speed Helical Focuser
Red-Dot LED Finderscope
Floor-Based Manual Alt-Az Mount
Altitude Tension Clutch
Dual Radial Main-Mirror Fans
Tool-Free Breakdown and Assembly

This is a Generation II telescope. All updates have been performed on this telescope.

Sporting the large light bucket users have come to expect from a Dob, the Explore Scientific 10" f/5 Truss Tube Dobsonian Telescope gives users performance at a reasonable price. Its large parabolic primary mirror is highly reflective and corrects spherical aberration to eliminate distortion across the entire field of view, especially at the edges, with a 24% secondary mirror obstruction.

The large 10" aperture draws in copious amounts of light show awe-inspiring details on the Moon and planets, deep sky objects will be visible even for inexperienced observers, and bright star clusters are resolved to their core. Its f/5 focal ratio and 10:1 dual-speed helical focuser makes this an ideal choice for imaging. The fast focal ratio enables devices to capture images in less time than slower scopes, while the unique focusing mechanism employed in the helical design gives it the ability to achieve tack-sharp focusing with zero backlash that rack-and-pinion focusers are generally unable to. This 2" focuser will accept larger eyepieces so users can enjoy a truly immersive visual experience and will ensure larger imaging sensors are completely covered.

The rocker box weighs-in at just under 15 pounds and provides a rock-steady observational platform with very low vibration. This rocker mount features high-altitude bearings with aluminum structures that allow for fine adjustment flows at high magnifications, and dual radial primary mirror fans to quickly adjust the temperature to reduce distortion. Finally, the tension control handle allows users to adjust the settings allowing them to move the mount easily and smoothly by hand with minimal vibration and maintain its position when released.

Optical Performance

10" aperture
f/5 focal ratio
1270mm focal length
Highly reflective mirrors increase image brightness
24% secondary mirror obstruction
Dual radial primary mirror fans adjust the mirror temperature to reduce distortion
- Runs on eight user-supplied AA batteries

Mount

Manual rocker mount design
High altitude bearings for a wide adjustment and travel range
Tension control handle allows for smoother rotation to reduce vibrations and limit over-compensation

Focuser

10:1 dual-speed helical
Accepts 2" eyepieces and accessories
Helical focusers use a toothless design that allows for smooth and precise focusing without backlash

Specifications

Name	Explore Scientific - 10 inch Ultra-Light Truss Tube Dobsonian Telescope
Manufacturer	Explore Scientific
Model	DOB1045-00
Angular Field of View	0.50 arc seconds
Aperture	10" (254mm)
Aperture Ratio
Caps	Rain / Dust
Case	(2) Aluminum
Construction	Aluminum / Aluminum sandwich
Design	Newtonian Reflector
Finderscope	LED - Red Dot
Fine Focus	Yes
Focal Length	1270mm
Focal Ratio	f/5.2
Focuser	Dual speed
Lens Material	BK-7
Optical Design	Reflector
Optical Tube	Aluminum
Warranty	3 years

Weight Primary mirror: 44.5 lb / 20.2 kg
Rocker box: 14.8 lb / 6.7 kg
Total: 59.3 lb / 26.9 kg

In the Box

Explore Scientific 10" f/5.2 Truss Tube Dobsonian Telescope

Collimation Assist Tool

Red Dot LED Finderscope

Limited 1-Year Warranty, Extendable to Transferrable Lifetime Warranty with Registration

Suggested Accessories: 2-inch HR Coma Corrector ; Explore Scientific Waterproof Eyepieces ; Focal Extenders

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Explore Scientific 10" Truss Tube Generation II Dobsonian Telescope

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