Refractor 80 mm

Availability: Not available for ordering Type: refractor

We manufactured only a small series of 7 pieces with F/6 focal ratio, based on a request from a friend of ours, Catalin Beldea. He wanted something portable & light, yet good enough optically to carry around the world for capturing images during total solar eclipses. It has proven to be a very good decision, the telescopes being sold very quickly after the initial launch. Highly portable and with its compact size, we recommend it for travelling, solar eclipses or birding/wild life observing & imaging. We still have some pieces of S-FPL53 on stock that could make a small series of 80mm F/6.9. These units will be manufactured on request.

Main features:
* 2" rack and pinion type focuser from Starlight Instruments
* dew shield with rotate & lock feature
* airline travel friendly, being very compact & light
* Oil-spaced design for best possible light transmission & highest contrast.

Specifications & technical data:
Core glass used – S-FPL53
Clear aperture – 80 mm
Focal length – 473 or 550mm
Focal ratio – F/6 or F/6.9
Limited number of 7 (seven) OTAs at F/6; (sold out)
Limited number of 5 (five) OTAs at F/6.9; (not available for ordering yet)
Optical Quality (please click for our optical manufacturing specifications)

Dimensions:
Length with dew shield retracted is 385 mm (F/6) or 455 mm (F/6.9)
Length with dew shield extended is 430 mm (F/6) or 500 mm (F/6.9)
Back-focus – 180 mm
Tube diameter – 90 mm
Dew shield diameter – 109 mm
Weight – 3.5 kg.

Pricing:
80mm F/6.9 = To Be Communicated when product becomes available for ordering.

Included items:
2” Rack & Pinion Starlight Instruments w/ 50 mm travel.
V-type dovetail, handle, padded carrying case.

Mechanical accessories:
Adapters and extensions to suit one's observing and/or imaging needs.

Visual accessories:
A prism or mirror diagonal will be needed, together with good quality eyepieces, to be able to extract the most of your new telescope.

Imaging accessories:
For this telescope, we recommend our customers to find a third-party Flattener or Reducer/Flattener that suits their imaging needs.

Number of F/6 units manufactured/ordered: 7 (this item is sold out)
Number of F/6.9 units manufactured/ordered: 0
Delivery time from order (approximative): to be communicated.

*Prices subject to change without notice.



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