Explore Scientific - Generation II - 20-inch Truss Tube Dobsonian Telescope - DOB2036-00

**This is a special order item and shipping times may be longer. **

Explore Scientific 20-Inch f/3.6 Truss-Tube Dobsonian – Ultimate Aperture for Deep Sky Observers

Unlock the universe like never before with the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian – our largest aperture telescope and the ideal workhorse for serious deep sky observers. Equipped with a massive 500mm primary mirror, this telescope collects 5100 times more light than the naked eye, revealing breathtaking details of planets, galaxies, and star clusters. Whether you're a novice or experienced astronomer, this telescope offers unparalleled clarity, bringing the wonders of the cosmos directly to your eye.

Key Features of the 20-Inch f/3.6 Truss-Tube Dobsonian Telescope

Massive 20-Inch Primary Mirror

• 500mm mirror with 94% reflectivity provides stunning detail on both planets and deep sky objects.
• Bright star clusters are resolved to their core, and the moon’s terminator offers a once-in-a-lifetime experience.
• Each mirror is tested and shipped with an individual optical test certificate, ensuring the highest quality performance.

Fast Optical System for Quick Setup

• The f/3.6 main mirror paired with a 120mm secondary mirror made of high-quality quartz minimizes cooling time for faster readiness.
• Laser-engraved center mark on the main mirror ensures easy and precise alignment.
• Aluminum coating with an extra quartz protection layer combats dew fogging and ensures durability for long-term use.

Innovative Dobsonian Design for Maximum Light Gathering

• A redesigned, stiff and lightweight structure ensures durability and portability without sacrificing performance.
• Tool-free disassembly allows for easy transport in small vehicles, making it ideal for astronomy enthusiasts on the go.
• Optimized aluminum structures and high-altitude bearings enable smooth adjustments at high magnifications.

Stability and Smooth Tracking

• Six supporting feet underneath the rocker box guarantee superior stability during observation, while ensuring smooth azimuth tracking.
• Rotating tube with a second 40° displaced mounting plate for a customizable viewing position or the addition of another TELRAD viewfinder.

Enhanced Cooling and Viewing Experience

• Four side-mounted fans and a large fan under the primary mirror improve cooling time and eliminate boundary layer effects, ensuring stable views and quicker temperature adaptation.
• Lateral altitude wheels are conveniently stowed within the mirror box for easy storage and transport.

Included Accessories for Optimal Performance

• 2.5" HEX focuser with helical gearing and 10:1 reduction for precise focusing.
• LED Red Dot Finder and collimation assist tool for easy setup and alignment.
• Soft light baffle and radial mirror fans for faster temperature equilibrium.

Perfect for Serious Observers and Amateur Astronomers Alike

The 20-Inch f/3.6 Truss-Tube Dobsonian is a high-performance telescope designed to meet the demands of passionate astronomy enthusiasts. Whether you’re an experienced deep-sky observer or just starting your journey, this telescope offers exceptional detail, easy portability, and user-friendly features. Ideal for viewing distant galaxies, nebulae, and planets, this telescope brings the universe closer than ever before.

Order Your 20-Inch f/3.6 Truss-Tube Dobsonian Today!

Take your astronomy hobby to the next level with the Explore Scientific 20-Inch f/3.6 Truss-Tube Dobsonian. Don’t miss out on the chance to experience the wonders of the universe with unmatched clarity and precision.

SPECS

• Item Number DOB2036–00
• f/ratio f/3.6
• Focal length 1,826 mm
• Primary mirror diameter 50 cm
• Secondary obstruction 24%
• Mirror cell support points 18
• Truss pole length 100 cm
• Truss pole diameter 25 mm
• Secondary cage assembly diameter 57 cm
• Secondary cage assembly weight 8 pounds
• Secondary cage assembly height 95 cm
• Mirror box/rocker box height 56 cm
• Mirror box weight * 105 pounds
• Height to center of eyepiece at zenith 170 cm
• Theoretical limiting stellar magnitude 0.23 arc sec
• Theoretical limiting magnitude 16.19 mag
• Theoretical maximum magnification 1,000x

VIDEO

MANUAL

To download printable PDF manual Click Here

CA Residents: Prop 65 WARNING(S)

Limited Warranty is one year, which converts to the Explore STAR Transferrable Product Warranty when product is registered within 60 days of purchase. Click Here to register.