Refractor 140 mm

Availability: manufactured on request; Type: refractor

Medium-size refractor that targets both visual astronomers, interested in top quality planetary views, and imagers alike.
Paired with our Field Corrector for Medium Format, the 140 mm F/6.5 is suitable for imagers using sensors bigger than full-frame.
Both long focal ratio versions are aimed at planetary observers that want to enjoy best correction possible at the eyepiece. These series have a color correction which is tuned specially for planetary-visual peak wavelengths.

Main features:
* 3.2" or 3.5" rack and pinion type focuser from Starlight Instruments
* 2(two) different focal lengths to choose from; (subject to availability)
* dew shield with rotate & lock feature
* highly portable, medium size refractor
* Oil-spaced design for best possible light transmission & highest contrast.

Specifications & technical data:
Core glass used – S-FPL53 or S-FPL55
Clear aperture – 140 mm
Focal length – 915 mm; Focal ratio – F/6.5
Focal length – 1050 mm; Focal ratio – F/7.5
Optical Quality (please click for our optical manufacturing specifications)

Dimensions:
Minimum length – from 780 mm (fully retracted dew shield)*
Back-focus – 180 mm standard or by request, 220 mm
Tube diameter – 145 mm
Dew shield diameter – 164 mm
Weight – 10 kg, including rings*.

Pricing (last updated in 2022):
140mm F/7.5 version = 8 390,00 Euro, includes VAT 23%. Net export price – 6 821,00 Euro (non-EU countries)
FTF3235/3.2″ Starlight focuser, 89 mm travel, dual-speed; with finder bracket and dust cap

140mm F/6.5 version = 8 690,00 Euro, includes VAT 23%. Net export price – 7 065,00 Euro (non-EU countries)
FTF3545/3.5″ Starlight focuser, 114 mm travel, dual-speed; with finder bracket and dust cap

* no additional orders accepted *

Included items:
Pair of CNC rings, 1(one) 350mm dovetail - D-type (Losmandy), transport case.

Mechanical accessories:
Dovetail, D-type (Losmandy), 350 mm length, lightweight = 140,00 Euro, including VAT 23%; Net Price = 114,00 Euro
Handle, 300mm length = 85,00 Euro, including VAT 23%; Net Price = 69,00 Euro.

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:
Field Corrector = 650,00 Euro, including VAT 23%. Net export price – 528,00 Euro (non-EU countries); Corrected Field = ~55 mm

Electronic focuser control (motor with integrated controller, from Optec) = 660,00 Euro, including VAT 23%; Net price = 537,00 Euro
Adapters and extensions to suit one's observing and/or imaging needs.

Number of units manufactured/ordered: 39
Number of F/6.5 units manufactured/ordered: 33
Number of F/7.5 units manufactured/ordered: 6
Delivery time from order (approximative): 12 months.

* Overall length and weight depend on focal ratio, back-focus value and focuser
* F/7 version is offered exclusively with 3.2” Starlight focuser

* Prices subject to change without notice. 

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