Brand: SharpStar

Askar 130PHQ Quadruplet Refractive Astrograph (130PHQ)

130PHQ

Brand: SharpStar

Askar 130PHQ Quadruplet Refractive Astrograph (130PHQ)

130PHQ

  • 130mm aperture
  • 1000mm focal length
  • Quadruplet air-spaced APO design
  • Supports full frame
  • < 2μm central RMS radius 
  • No need for flattener
  • No need to calculate backfocus
  • Retractable lens hood
  • 300mm dovetail plate
  • Multi-functional handle
  • 3.4" rack-and-pinion focuser
  • 1:10 fine adjustment
  • Various adapters included
$4,048.65 CAD

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$4,048.65 CAD

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Product Description

130PHQ is a long-focal-ratio, flatfield astrograph newly launched after 107PHQ. Instead of buying extra flatteners, calculating the backfocus of flattener or making tedious connection to match the distance, astrophotographers can simply equip it with any possible imaging devices, make the target stay at the focus, and then the whole optical system is perfect for imaging.

130PHQ has a larger size than 107PHQ, with an aperture 23mm larger than 107PHQ. 130PHQ has a focal ratio of f/7.7 which is longer than 107PHQ’ s f/7, and a focal length of 1000mm. The quadruplet lens with two ED glasses offers excellent control of chromatic and other aberrations. With its self-flattening design, 130PHQ offers strong advantages in astronomical shooting. It supports a medium frame 60mm image circle, has a fine spot diagram with tiny distortion of the peripheral stars, and its central RMS radius is less than 2 microns.

130PHQ comes with a telescopic lens hood, a high quality CNC machined and painted tube and attractive decorative parts. The 3.4" rigid focuser comes with M68, M54, and M48 adapters and a finder base. When used with the 3" 0.7 x flat field reducer, the telescope can reach a focal ratio of f/5.4 and a focal length of 700mm, effectively reducing exposure time. The multifunctional handle comes with a central slot for attaching an M6 screw with an M6 screw hole. Standard Losmandy dovetail plate, together with sturdy double tube ring, is perfectly suited for viewing and shooting.

What can I see with a Askar 130PHQ Quadruplet Refractive Astrograph (130PHQ)?

Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.

Jupiter with

25mm Eyepiece - 40x Magnification

(Sold Separately)

Jupiter with

10mm Eyepiece - 100x Magnification

Sold Separately

Jupiter with

5mm Eyepiece - 200x Magnification

Sold Separately

Moon with 25mm Eyepiece

40x Magnification

(Sold Separately)

Moon with 10mm Eyepiece

100x Magnification

Sold Separately

Moon with 5mm Eyepiece

200x Magnification

Sold Separately

Andromeda with 36mm Eyepiece

28x Magnification

Sold Separately

Andromeda with 25mm Eyepiece

40x Magnification

(Sold Separately)

Andromeda with 10mm Eyepiece

100x Magnification

Sold Separately

What's in the Box

  • 130PHQ Optical Tube
  • A pair of rings
  • A handle
  • A 300mm losmandy dovetail plate
  • A set of four-piece photographic adapters
  • A manual

Specifications

Aperture 130mm
Focal Length 1000mm
Focal Ratio f/7.7
Objective Type Quadruplet air-spaced APO (including two ED glass)
Image Circle 60mm
Maximum accessory connection (with the focuser fully retreated):
Imaging Mode
  • 116mm(from the base of M48×0.75 male thread)
  • 136mm(from the base of M54×0.75 male thread)
  • 156mm(from the base of M68×1male thread)
  • 186mm(from the base of M86×1 male thread)
Maximum accessory connection (with the focuser fully retreated):
Observing Mode
  • 148.5mm(from the end of 2" eyepiece holder)
Overall Length
  • 842.5mm(including 1.25" eyepiece holder as dew shield contracted)
  • 1011.5mm(including 1.25" eyepiece holder as dew shield fully stretched)
  • 889.5mm(including the 4-piece adapter as dew shield contracted)
  • 1061.5mm(including the 4-piece adapter as dew shield fully stretched)
Net Weight 10.5kg
Gross Weight 12.5kg
Rear-end thread type
  • M86×1-M68×1
  • M68×1-M54×0.75
  • M54×0.75-M54×0.75
  • M54×0.75-M48×0.75(M48×0.75 filter thread inside)
Four-piece photographic adapter M48×0.75

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