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Specification

AG10

Primary mirror diameter

250mm

Focal length

950mm

Focal Ratio

f3.8

Focus Distance
to Image Plane

79mm

*Tube Weight

approximately 12kg

Tube Diameter

300mm

TubeLength

810mm

Tube Material

Carbon fibre sandwich

Secondary Size

100mm

Mirror Cell

CNC Machined alum.
9 point suspension

Focuser *

3" Add on Option

Corrector Design

4 lens ED

Flat Field Size

50mm

Spot Size on Axis

3.0 microns

Spot Size at Field Edge

7.2 microns

Mirror / Tube Cooling

3 Controllable fans.
Heaters optional

Attachment Method

CNC machined alum.
Cradles + Dovetail

The AG10 is our 250mm Newtonian Astrograph and has over 50% more light grasp than the AG8 and, 25% greater resolution in image detail available. Capable of fitting on most medium size mountings it is ideally suited to mounts with a carrying capacity in excess of 15kg to allow the addition of accessories for imaging.

The AG10 is an instrument capable of producing images at or even beyond the theoretical limits of a 250mm telescope, purely because of the flatness of the field right to the edge, ensuring contrast is maximised because light is not spread over a larger area through off axis coma and, the application of Hilux to the reflective surfaces of both secondary and primary mirrors. This passes more light than every telescope not coated with reflective surfaces like Hilux to either your eye or, as with imaging a priority with the AG range, a cameras imaging chip. Brighter images, higher contrast images, shorter exposures, more detailed images, a great number of advantages are the result of Hilux and the AG Wynne corrector.

The excellent Starlight Instruments - Feather Touch FTF3235B-A 3 inch dual speed focuser is vailable as an add on (see below right) to offer excellent stability over a wide range of camera loads.

Coupled with the optional set of CNC rings and internal blackened stainless contoured plate, it is capable of carrying the heaviest imaging equipment without any visible flexure or slippage.

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

AG10 CHARTS
(click title to view)

Spot Diagrams

Vignetting Plot

Compare Specs.

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Optics

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AG tube shown with Upgrade kit to increase stability of focuser

AGfeathertouch

Starlight Instruments - Feather Touch FTF3235B-A 3 inch dual speed focuser. Available as an add on.

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Image Gallery

Telescopes

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Note: All USA AG 'scopes are supplied with adapters to connect to Starlight Instruments FTF3235B-A 3 inch focuser. Focusers are not supplied with the telescope but are available as an 'add on'. Images used are for aesthetic appearance only.