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Shop Details
Prices exclude VAT

Specs.

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Specification

ODK10

ODK12

ODK14

ODK16

Primary mirror diameter

250mm

300mm

350mm

400mm

Focal length

1700mm

2040mm

2380mm

2720mm

Focal Ratio

f6.8

f6.8

f6.8

f6.8

Tube Weight (inc.
mount plate/dovetail)

12kg

19kg

26kg

36kg

Tube Diameter

300mm

350mm

400mm

450mm

Tube Length

475mm

615mm

700mm

820mm

BFD (Back Focal
Distance) from cell face*

213mm

218mm

210mm

216mm

Tube Material

Carbon fibre sandwich

Carbon fibre sandwich

Carbon fibre sandwich

Carbon fibre sandwich

Secondary Size

96mm

120mm

136mm

152mm

Mirror Cell

Honeycombe CNC
machined alum. cell

Honeycombe CNC
machined alum. cell

Honeycombe CNC
machined alum. cell

Honeycombe CNC
machined alum. cell

Focuser

3" Crayford 10:1 reduction

3" Crayford 10:1 reduction

3" Crayford 10:1 reduction

3" Crayford 10:1 reduction

Corrector Design

Multi coated 3 lens

Multi coated 3 lens

Multi coated 3 lens

Multi coated 3 lens

Flat Field Size

50mm

>52mm

>52mm

>52mm

Spot Size on Axis

3.5

1.8

2.1

2.4

Spot Size at Field Edge

6.2

5.6

5.6

6.0

Mirror / Tube Cooling

3 Controllable fans.
Heaters optional

3 Controllable fans.
Heaters optional

3 Controllable fans.
Heaters optional

3 Controllable fans.
Heaters optional

Attachment Method

CNC machined alum.
dovetail with supports

CNC machined alum.
dovetail with supports

CNC machined alum.
dovetail with supports

CNC machined alum.
dovetail with supports

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Model Range

spec

Optics

Tube Rings

ACU-3S Focuser

Compare Specs.

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*The weights shown on each model refer to the standard optical tube with no additional equipment added.

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