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Refractor 175
£15,449.00 inc. tax

£12,874.17 ex. tax
? Tax based on United Kingdom.

Description

This model is available from 100-300mm Aperture. Please enquire for details.

SPECIFICATION 1 Focal length 1050mm

SPECIFICATION 2 Focal length 1600mm

Please choose your preferred option at bottom of page:


Spec 1

Aperture (mm) 175

Aspheric Element Yes
Recommended mount type GEM
Tube tube Closed
Focal length (mm) 1050
Tube length (transport) 1200
Tube length (operating) 1500
OTA Weight (kg) 20
Back focus 200
Optional back focus reducer 100
Focal ratio F/ 6
Fully corrected imaging circle (mm) 55
Purge system Yes
Lens Coatings BBAR and edge
Focuser Dual speed JTW Rhino
Clear aperture (mm) 75
Tube construction Athermalised full metal
Optical surface quality (Strehl, PTV) 0.97, 1/10
Bolting A4 Stainless steel
Metal protection Dual
Surface treatment Aluminium – 20 micron hard-coat anodising
Paint Exterior grade powdercoat (environmentally friendly)
Anti dew system Included


SPEC 2

Aperture (mm) 175
Aspheric Element Yes
Recommended mount type GEM
Tube tube Closed
Focal length (mm) 1600
Tube length (transport) 1750
Tube length (operating) 2050
OTA Weight (kg) 22
Back focus 200
Optional back focus reducer 100
Focal ratio F/ 9
Fully corrected imaging circle (mm) 55
Purge system Yes
Lens Coatings BBAR and edge
Focuser Dual speed JTW Rhino
Clear aperture (mm) 75
Tube construction Athermalised full metal
Optical surface quality (Strehl, PTV) 0.97, 1/10
Bolting A4 Stainless steel
Metal protection Dual
Surface treatment Aluminium – 20 micron hard-coat anodising
Paint Exterior grade powdercoat (environmentally friendly)
Anti dew system Included

Please choose which option you want to purchase below.

Options

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Product Code
- jtw-ref175
Product Condition
- New
Brand
- JTW OTA

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    11 Drift Road, Clanfield, Waterlooville, Hampshire, PO80JJ, United Kingdom
    +44 23 9257 0283
    dave@darkframe.co.uk
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