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Opticstar AR80S (f5) Gold - Dual Speed
Portable Refractor for Observing, Imaging and Guiding
To order this item outside the United Kingdom, please contact us.
Opticstar AR80S Gold - Dual Speed
Opticstar AR80S (f5) Gold - Dual Speed.
  • Lens diameter: 80mm
  • Focal ratio: f/5
  • Achromatic refractor
  • Fully multi-coated doublet
  • Retractable dew shield
  • High quality all-metal construction
  • Dual Speed Crayford 2" & 1.25" focuser
  • Rotatable focuser
  • Knife-edge baffles
  • Dovetail included (Vixen/Skywatcher type)
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Opticstar AR80S (f5) Gold - Dual Speed
Package includes:
  • Opticstar 80mm f/5 optical tube assembly (OTA).
  • Dual Speed Crayford 2" & 1.25" rotatable focuser.
  • Dovetail Bar.
Order No. Price (inc_VAT) Shipping Delivery click button to purchase
OSRAR80S5GD £ 199.00 £ 10.00
AR User Manual
(PDF)
Opticstar CCD Cameras
(PDF)

Outline
The Opticstar AR80S Gold Dual Speed short-tube refractor is ideal as a portable scope and can be used for observing, imaging or as a guide scope. It uses a 80mm achromatic doublet that is fully broad-band multicoated to increase light transmission.
The optical tube greatly benefits from metal knife-edge baffles (not the plastic less effective step type) that prevent stray light outside the field of view from reaching the focal plane. Knife-edge baffles markedly increase image contrast.

The dual speed Crayford focuser, main tube and lens assembly are screwed into each other for maximum rigidity, no peripheral screws are used as they can compromise the rigidity of the telescope.

The AR80S (f5) Gold Dual Speed refractor features a smooth dual speed Crayford focuser with a 2" drawtube (with 1.25” adapter), retractable metal dew shield
Opticstar AR80S (f5) Gold - Dual Speed.
Fully multi-coated (FMC) broadband optical coatings.
and broadband fully multi-coated optics. With a focal length of 400mm (f/5) the AR80S is very well suited for wide field astrophotography, guiding as well as nature photography.

With a minimum total length of only 40cm and 80mm aperture the AR80S Gold is the perfect travel scope. All you need to start using the AR80S Gold is a photographic tripod, diagonal and eyepieces.

Opticstar AR80S (f5) Gold - Dual Speed
Opticstar AR80S (f5) Gold - Dual Speed
Opticstar AR80S (f5) Gold - Dual Speed
Shown with dew-shield extended.

Specification of Opticstar AR80S (f5) Gold - Dual Speed
Aperture 80mm
Focal ratio F/5
Focal length 400mm
Objective Achromatic doublet
Optical coatings Broadband FMC (fully multi-coated)
Optical tube Internally anti-reflection coated, knife-edge baffles
Dew shield Retractable with metal screw-type cap
Finder-scope saddle Yes
Focuser Dual speed Crayford, rotatable
Focuser adapter Accepts 2" and 1.25" eyepieces and diagonals
Focuser tube travel 70mm (marked in 1mm intervals)
Tube rings optional
Tube weight (inc rings) 2kg with single speed focuser or 2.1kg with dual speed focuser
Minimum tube length 310mm with retracted dew-shield
Maximum tube length 365mm with extended dew-shield
Tube diameter 97mm
Frontal dewshield diameter 110mm (screw-type aluminium cap)
Construction All metal construction
Tube Design Short, suitable for use with bino-viewers (with focal reducer)
All information correct at time of writing.

Notice
We are constantly checking the accuracy of the technical data. We are prepared to provide more detailed information on request. Technical data is subject to change without notice.

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Promotional Offer
Cash Back on Opticstar
Imaging Products
updated: 8th September 2017
Opticstar cashback offer.

Customers who purchase any Opticstar telescopes, Opticstar optical tubes or Opticstar mounts listed on this page qualify for a 10% cash back on any Opticstar astronomy cameras purchased at the same time or at a later date.

This offer is valid for 1 year commencing on the date that the Opticstar product is purchased from the Opticstar website or the Opticstar showroom.

Any additional purchases at a later date of Opticstar products that qualify for this offer will renew the cash back period to 1 full year.

Opticstar astronomy cameras that qualify for this offer include the following: Once an Opticstar CCD or CMOS camera has been purchased within a year of the qualifying Opticstar purchase, the cash back can be claimed by contacting Opticstar by email or over the phone quoting the receipt number(s). Please allow up to 14 days to process the payment.

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© Opticstar Ltd 2017