Features

Comes with an excellent assortment of accessories
Single-speed focuser
Two eyepieces: a 25 mm Plossl; a 10 mm Plossl;
Moon filter
Moon map
Wil Tirion multi-latitude planisphere for the Northern Hemisphere
Red-dot finder
Collimation tool

Description

This is a hybrid truss-tube Dobsonian because the secondary-mirror is held inside a tube (like a traditional Dobsonian telescope) rather than an open cage.

Nowhere do you get as much light for your money like a good Dobsonian. Disassembly of the scope, which does not require tools, ensures a trouble-free transport of this great scope -- even in small cars. The entire structure has been optimized for maximum stiffness with minimal weight. The combination of high altitude bearings with optimized aluminum structures allows fine-adjustment flow at high magnifications.

This is an ideal workhorse for the deep-sky observers. A 254mm mirror collects hundreds of times as much light as the naked eye. Details on planets and deep-sky objects will be visible even for inexperienced observers. Bright star clusters are resolved to the core, and the sight of the terminator on the moon is an unforgettable experience.

The significant differences between this telescope and the Explore Scientific Generation II model are:

* White aluminum-tube secondary rather than a cage assembly

* Single-speed focuser rather than a 2-speed focuser (upgrade requires a new focuser; not just a 10:1 reduction knob)

* No cooling fans

We recommend buying the accessory shroud, which will improve contrast at the eyepiece and offer dew protection for the primary mirror.

Video

Specs

Item Number DOB1045C

f/ratio f/5

Focal length 1,270 mm

Primary mirror diameter 25.4 cm

Secondary obstruction 24%

Mirror cell support points 9

Truss pole length 64 cm

Truss pole diameter 20 mm

Secondary cage assembly diameter 38 cm OD

Secondary cage assembly weight 6.5 pounds

Secondary cage assembly height 17 cm

Mirror box/rocker box height 42.5 cm

Mirror box weight * 35 pounds

Height to center of eyepiece at zenith 119 cm

Theoretical limiting stellar magnitude 0.46 arc sec

Theoretical Rayleigh limit 0.54 arc sec

Theoretical limiting magnitude 14.7 mag

Theoretical maximum magnification 500x

* Mirror weight can vary because of the manufacturing process; these values are approximate

Warranty

Limited USA One Year Warranty when product is registered within 60 days of purchase. Click Here to register.

The Explore Alliance membership program offers Extended Care for all Explore Scientific products with a paid membership. For more information on the Explore Alliance Click Here

Manual

To download printable PDF manual Click Here.

CA Residents: Prop 65 WARNING(S)

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Explore Scientific 10-inch Hybrid Truss Tube Dobsonian Telescope - DOB1045C

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