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The introductory model for the ODK range is our 250mm model, the ODK10. As with all the ODK models, the ODK10 is fitted as standard with our ACU-3S, 3” focuser to enable a strong focusing platform for a wide range of cameras. Being both a photographic and visual telescope you are assured of some spectacular views of the planets, the Moon and even faint nebulas and galaxies.

Full specification is shown here on the right but if any feature you are interested in is not shown, please ask.

You will see from the spot diagrams that the ODK10 produces very tight, well defined images. The field size is usable to over 50mm ensuring you have the choice of some higher power imaging and views on axis for the planets and moon etc but also, the capability to present to your camera some amazing fields of Deep Sky objects, particularly those requiring a higher degree of magnicication.

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

Specification

ODK10

Primary mirror diameter

250mm

Focal length

1700mm

Focal Ratio

f6.8

Tube Weight (inc.
mount plate/dovetail)

12kg

Tube Diameter

300mm

Tube Length

475mm

BFD (Back Focal
Distance) from cell face*

213mm

Tube Material

Carbon fibre sandwich

Secondary Size

96mm

Mirror Cell

Honeycombe CNC
machined alum. cell

Focuser

3" Crayford with 10:1 reduction

Corrector Design

Multi coated 3 lens

Flat Field Size

50mm

Spot Size on Axis

3.5

Spot Size at Field Edge

6.2

Mirror / Tube Cooling

3 Controllable fans.
Heaters optional

Attachment Method

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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Optional Dew Shield available - this is a matching, lightweight carbon fibre addition to help curb the onset of condensation in damp prone atmospheric climes. It is fitted or removed literally in less than a minute and greatly reduces the heavy dew precipitation which can so easily ruin what could be a classic imaging session.

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ODK10 CHARTS (click title to view)

Diffraction Limit

Light Path Diagram

Spot Diagrams

Vignetting Plot

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ODK10 Configuration

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Price

Add

ODK10 Optical tube assembly

• • •

3625

ODK10 fitted to HEQ5 mount

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4560

ODK10 fitted to EQ6 mount

eyeopen4

4794

ODK10 fitted to Celestron CGXL Mount

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7775

ODK10 fitted to Celestron CGX Mount

eyeopen5

6125

ODK10 fitted to Celestron CGEM2 Mount

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5650

ODK10 including Paramount ME2

eyeopen5b

13894

ODK10 including Paramount MX

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11720

Power tank for all mounts 7Ah

eyeopen9c

59

Power tank for all mounts 17Ah

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109

GPS unit for Skywatcher Mounts

eyeopen9e

100

ACU Focuser System without hand controller

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279

ACU Focuser System with hand controller

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299

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Please Note: All prices shown EXCLUDE VAT

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View some stunning images taken with ODK10
Click on the image above

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