Planetary Cassegrain 350mm

Characteristics:

Clear aperture – 350 mm;
Focal ratio – 15; Focal length – 5250 mm;
Central Obstruction – 25.5%;
Focal ratio – 17; Focal length – 5950 mm;
Central Obstruction – 23%;
Focal ratio – 20; Focal length – 7000 mm;
Central Obstruction – 22%;
Primary substrate – Supremax33 (special order); ULE glass (Quartz, Zerodur, Clearceram-HS) (standard);
Secondary substrate – Quartz;
Manual adjustments/collimation for both mirrors;
Primary cooling fans;
Primary mirror cage – Carbon Fiber;
Truss tubes – Carbon Fiber.

Dimensions:

(approx.) – 1120 x 450 x 485 mm (includes focuser’s height);
Weight – 23.5 kg;
Back-focus from end of back plate – ~230 mm;
Focuser: 2” Feathertouch R&P or 2” Moonlite DC;
Focuser travel: 38 or 50 mm, depending on chosen focuser.

Price:

8990 Euro, includes VAT 23%. Net export price – 7309 Euro (non EU countries) – Supremax version – special order

10 990 Euro, includes VAT 23%. Net export price – 8935 Euro (non EU countries) – ULE glass

  • prices of OTAs are subject to change without notice.

Included accessories:

– shroud pack (secondary casing shroud, secondary cage shroud, truss shroud);
– side plates (pair);
– handle;
– primary mirror cooling fans;
– primary mirror hard cover;
– dew heater for primary mirror;
– 400 mm D-type dovetail;
– back-plate handles (set of 2).

Optional accessories:

– soft case or flight case: pricing upon request.

Notes:

*Because of high thermal inertia, present in thick Supremax33 mirrors, we highly recommend for 350 mm and bigger reflectors, the use of ULE glass for the primary mirror!

Number of units manufactured: 8 
Units available for ordering: 2 

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