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Orion optics UK ODK14 14 inch F6,8 Astrograph OTA
[OOUK_ODK14]

Prijs: 9.430,00 EUR

 
Product Details

The full range is based on a focal ratio of f6.8, fast enough for some superb deep sky photo-visual use and, still have enough focal length for high resolution planetary work both visual and CCD applications.


The tube is constructed from Carbon Fibre sandwich design. Very, very strong to avoid flexing and, zero expansion to ensure the focal plane does not change over long photographic exposures. Being an open tube design and very short, cool down times are remarkably fast.

To assist cool down of the telescope, each model is fitted with three fans, all positioned behind the primary mirror.

Exact focusing across the ODK range is achieved with our own Precision ACU-3S 3” Crayford Focuser featuring a 10:1 reduction drive included as standard - focuser pictured right. Good images need good optics, all fitted in reliable, stable and precise engineering.

Customers with heavier than normal (4kg+) CCD equipment can add features to the ODK tube to enhance stability.

To produce the photo-visual wide, flat field of the ODK range, we have designed and fitted integrally, a corrector lens system. which ensure both colour correction, coma and spherical aberration are optimised to achieve almost a perfect photographic and visual field. Adequate back focus allows all modern CCD cameras to be used with auxiliary equipment. Multi layer anti reflection coatings are applied to all lens surfaces to maintain brighter images.

CNC machined mono construction secondary spider and trim ensures stability in collimation. Our unique collimation adjustment system enables perfect collimation of the secondary mirror to be achieved, quickly and reliably.

Because of the unusual demand we had initially for the ODK14 we had to take it out of our sales catalogue until we caught up with orders. We are now able to offer this amazing telescope again. Amazing in performance for planets, the moon, globular clusters, galaxies, virtually anything in the sky you can think of, the ODK14 will capture it and present you with stunning visual images and, incredible photographs.

Mid way between the compact and very portable ODK12 and the heavier, ODK16, usually the ODK14 is observatory based. Still manageable by one person yet enough light grasp to carry out serious imaging and research on some of the more elusive objects on offer in the sky.

This is a serious telescope and you will be more than pleased you chose one the first time you pointed it to the night sky.

Specification

ODK14

Primary mirror diameter

350mm

Focal length

2380mm

Focal Ratio

f6.8

Tube Weight (inc.
mount plate/dovetail)

26kg

Tube Diameter

400mm

Tube Length

700mm

BFD (Back Focal
Distance) from cell face*

210mm

Tube Material

Carbon fibre sandwich

Secondary Size

136mm

Mirror Cell

Honeycombe CNC
machined alum. cell

Focuser

3" Crayford with 10:1 reduction

Corrector Design

Multi coated 3 lens

Flat Field Size

>52mm

Spot Size on Axis

2.1µ

Spot Size at Field Edge

5.6µ

Mirror / Tube Cooling

3 Controllable fans. Heaters optional

Attachment Method

CNC machined alum. dovetail with supports

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