Sandwich primary mirror
The ventilated sandwich design promotes cooling. A mirror close to ambient temperature reduces one source of image-softening air currents.
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Hubble Optics
Hubble Optics UL14 14 Inch Premium Ultra Light Dobsonian Telescope
$4,890.00
14-inch aperture in a dismantlable truss design.
The Hubble Optics UL14 combines a 355.6 mm parabolic primary mirror with an open aluminium truss structure. It is a substantial visual telescope for observers who want to dismantle their equipment for travel to observing sites.
Separate trusses make the UL14 easier to store.
The upper assembly, truss tubes and lower structure separate for packing. Reassembly is followed by a collimation check, so the optical axes line up before you start observing. Allow space for the telescope components and the observing accessories you carry.
Disassembled telescope shown with accessories. Shroud, finder and other observing accessories are optional.
How the UL14 supports and focuses the image.
6-point mirror support
The flotation cell distributes the rear support of the primary mirror. Lateral support and collimation are separate, so alignment does not rely on distorting the mirror edge.
Dual-speed focusing
The 2-inch linear-bearing Crayford focuser gives you coarse adjustment followed by fine focus. Eyepieces are selected separately to suit the targets and magnifications you use.
Choose how you find and follow objects.
Manual
Locate targets yourself and move the telescope by hand.
- PointingBy hand
- Following an objectBy hand
Guided Push-To
Digital position guidance helps you locate a target; you still move the telescope yourself. Push-To does not add motorised tracking.
- PointingGuided, moved by hand
- Following an objectBy hand
Automatic Go-To
After setup and alignment, the drive moves to selected objects and follows them as the sky turns. A suitable power source is required.
- PointingMotorised
- Following an objectMotorised
These are separate Telescope Control choices. Compatible hardware and software are required for phone or tablet control. Power requirements depend on the supplied control system.
Plan the space and handling.
Assembled weight, Manualapproximately 21.8 kg (48 lb)
Eyepiece height at zenith1525 mm
Manual telescope figures exclude added control equipment and observing accessories. Plan carrying, storage and eyepiece access for your chosen configuration.
Good to know.
Choose eyepieces and finder separately
Eyepieces and a conventional optical finder are not included. Shrouds and other light-control accessories are separate options.
Check collimation after assembly
Collimation aligns the mirrors. Check it after reassembly and before observing. UL14 assembly and setup manual.
Keep this telescope away from the Sun
Never point the telescope or finder at the Sun without the correct purpose-made solar protection. Unfiltered viewing can cause permanent eye damage.
Specifications.
Optics
Optical Design
Reflector
Optical Diameter
355.6mm
Focal Length
1635mm
Focal Ratio
f/4.6
Eyepiece Height at Zenith
1525 mm
Optics Type
Parabolic
Optical Quality
Diffraction limited (Strehl 0.95+, 1/10 wave PV secondary)
Focuser
2" dual-speed linear bearing Crayford
Mirror Coatings
96% Enhanced on both primary and secondary
Secondary mirror diameter
70 mm
Structure and controls
Tube Material
6063-T6 Aluminium Alloy, structural steel mirror cell
Optical Tube Length
60.0"
Mirror support
6-point flotation cell
Assembled weight (Manual)
approximately 21.8 kg (48 lb)
Eyepieces
Not included
Conventional finder scope
Not included
Telescope Control
Manual; Guided Push-To; Automatic Go-To
Store locator
14-inch aperture in a dismantlable truss design.
The Hubble Optics UL14 combines a 355.6 mm parabolic primary mirror with an open aluminium truss structure. It is a substantial visual telescope for observers who want to dismantle their equipment for travel to observing sites.
Separate trusses make the UL14 easier to store.
The upper assembly, truss tubes and lower structure separate for packing. Reassembly is followed by a collimation check, so the optical axes line up before you start observing. Allow space for the telescope components and the observing accessories you carry.
Disassembled telescope shown with accessories. Shroud, finder and other observing accessories are optional.
How the UL14 supports and focuses the image.
Sandwich primary mirror
The ventilated sandwich design promotes cooling. A mirror close to ambient temperature reduces one source of image-softening air currents.
6-point mirror support
The flotation cell distributes the rear support of the primary mirror. Lateral support and collimation are separate, so alignment does not rely on distorting the mirror edge.
Dual-speed focusing
The 2-inch linear-bearing Crayford focuser gives you coarse adjustment followed by fine focus. Eyepieces are selected separately to suit the targets and magnifications you use.
Choose how you find and follow objects.
Manual
Locate targets yourself and move the telescope by hand.
- PointingBy hand
- Following an objectBy hand
Guided Push-To
Digital position guidance helps you locate a target; you still move the telescope yourself. Push-To does not add motorised tracking.
- PointingGuided, moved by hand
- Following an objectBy hand
Automatic Go-To
After setup and alignment, the drive moves to selected objects and follows them as the sky turns. A suitable power source is required.
- PointingMotorised
- Following an objectMotorised
These are separate Telescope Control choices. Compatible hardware and software are required for phone or tablet control. Power requirements depend on the supplied control system.
Plan the space and handling.
Assembled weight, Manualapproximately 21.8 kg (48 lb)
Eyepiece height at zenith1525 mm
Manual telescope figures exclude added control equipment and observing accessories. Plan carrying, storage and eyepiece access for your chosen configuration.
Good to know.
Choose eyepieces and finder separately
Eyepieces and a conventional optical finder are not included. Shrouds and other light-control accessories are separate options.
Check collimation after assembly
Collimation aligns the mirrors. Check it after reassembly and before observing. UL14 assembly and setup manual.
Keep this telescope away from the Sun
Never point the telescope or finder at the Sun without the correct purpose-made solar protection. Unfiltered viewing can cause permanent eye damage.
Specifications.
Optics
Optical Design
Reflector
Optical Diameter
355.6mm
Focal Length
1635mm
Focal Ratio
f/4.6
Eyepiece Height at Zenith
1525 mm
Optics Type
Parabolic
Optical Quality
Diffraction limited (Strehl 0.95+, 1/10 wave PV secondary)
Focuser
2" dual-speed linear bearing Crayford
Mirror Coatings
96% Enhanced on both primary and secondary
Secondary mirror diameter
70 mm
Structure and controls
Tube Material
6063-T6 Aluminium Alloy, structural steel mirror cell
Optical Tube Length
60.0"
Mirror support
6-point flotation cell
Assembled weight (Manual)
approximately 21.8 kg (48 lb)
Eyepieces
Not included
Conventional finder scope
Not included
Telescope Control
Manual; Guided Push-To; Automatic Go-To
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