Classic Cassegrain 450mm+

Availability: manufactured on request; Type: reflector

Our line of Cassegrain reflectors is directed towards visual astronomy (it excels at planetary, moon, globular clusters, nebulae observation) as well as planetary imaging.
It offers great light gathering abilities; its high quality mirrors being placed in a beautifully executed chassis which makes collimation very easy.
Contrary to popular beliefs, Cassegrain optics if designed and executed properly, can deliver pinpoint stars (no coma) in both 1.25″ and 2″ eyepieces.

Main features:
* 2" rack and pinion type focuser from Starlight Instruments, 50mm travel
* precision adjustment of primary & secondary mirror
* portable, medium size reflector telescope
* truss type chassis design for quick cool down
* carbon fibre and aluminium alloy high quality construction.

Specifications & technical data:
Clear aperture – 450 mm; Focal ratio – F/15 or F/20
Clear aperture – 500 mm; Focal ratio – F/15 or F/20
Clear aperture – 600 mm; Focal ratio – F/15 or F/20
Primary substrate – Fused Silica/Quartz
Secondary substrate – Fused Silica/Quartz
Primary mirror cage material – Carbon Fiber
Truss tubes material – Carbon Fiber

Dimensions:
450mm F/15 version – TBC (L x W x H)
450mm F/20 version – TBC (L x W x H)
Weight – ~TBC kg;
500mm F/15 version – TBC (L x W x H)
500mm F/20 version – TBC (L x W x H)
Weight – ~TBC kg;
600mm F/15 version – TBC (L x W x H)
600mm F/20 version – TBC (L x W x H)
Weight – ~TBC kg;
Usable back-focus – ~170 mm.

Pricing (last updated in 2021):
CC450 - 19 900,00 Euro, including VAT 23%. Net export price – 16 179,00 Euro (non-EU countries) – Fused Silica/Quartz or Clearceram/Zerodur version
CC500 - 34 713,00 Euro, including VAT 23%. Net export price – 28 222,00 Euro (non-EU countries) – Fused Silica/Quartz or Clearceram/Zerodur version
CC600 - 46 893,00 Euro, including VAT 23%. Net export price – 38 124,00 Euro (non-EU countries) – Fused Silica/Quartz or Clearceram/Zerodur version
* No new orders accepted - see link on homepage *

Included items:
– 2" Starlight Instruments focuser, rack and pinion, 50mm travel
– shroud pack (secondary casing shroud, secondary cage shroud, truss shroud)
– side plates (pair)
– riser + finder shoe (Starlight FSB-CH)
– primary mirror cooling fans
– primary mirror heater
– secondary mirror heater (wherever M2's diameter makes it possible)
– primary mirror hard cover
– D-type dovetail (Losmandy)
– handle
– back-plate handles pair

Coatings:
standard coating reflectance: 92% (SiO overcoat), included in the price.
optional enhanced coating reflectance: 96% (TiO overcoat) - please inquire for availability and pricing.

Optional accessories to consider when ordering:
Dual controller for primary's heater and fans (manual control) = 185,00 Euro, including VAT 23%; Net price = 150,00 Euro;
Electronic focuser control (motor with integrated controller, from Optec) = 660,00 Euro, including VAT 23%; Net price = 537,00 Euro;
Electronic focuser control (motor + controller, from Starlight instruments) = 890,00 Euro, including VAT 23%; Net price = 724,00 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.

Units available for ordering: manufactured to order.
Delivery time from order (approximative): 12 - 15 months.

* Prices subject to change without notice.

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