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AG Optical Systems Imaging Dall Kirkham Astrograph - 12.5"
AG Optical Systems Imaging Dall Kirkham Astrograph - 12.5" Weave/Design

AG Optical Systems Imaging Dall Kirkham Astrograph - 12.5"

Product Number: AGO-iDK12.5

Manufacturer: AGOptical
Contact us for information on special discounts on complete telescope and mount packages.
 
NOTE: There are payment in full and 50% deposit payment options available for this product and its options.  See the "Additional Information" for details.
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QTY    
Price: $12,995.00

AG Optical Systems Imaging Dall Kirkham Astrograph - 12.5"

Imaging Dall Kirkham (iDK) astrographs are high resolution instruments with outstanding on and off axis performance across a 60mm field of view. By combining large aperture, medium focal ratio, corrected optics in a lightweight, stiff, and thermally stable carbon fiber tube AGO has created an instrument capable of capturing stunning images of our universe at the most aggressive pricing on the market.

Fused quartz optics are now standard for all iDK telescopes.  Quartz' extremely low coefficient of thermal expansion allows the figure on the optics to remain stable while ambient temperatures vary.  This means you will spend more time imaging and less time waiting for the optics to stabilize.

FEATURES

  • Optics figured and quality tested as a system. Optional quartz upgrade for the ultimate in optical stability as ambient temperatures vary.
  • Fast F6.7 system designed and baffled to cover 16803 size chip. Click here to see CCD Inspector analysis of a 17" iDK over a 43' x 29' field of view.
  • Over 5" of back focus to support almost any combination of imaging components.
  • Excellent coma free, astigmatism free, flat field performance over 60 mm image circle. Ckick here to see the performance of a 12.5" iDK at the corner of a 2" diagonal chip (36mm x 36mm array).
  • RMS spot diameter* less than 9 microns across 55 mm image circle (we state RMS spot size in diameter rather than radius as do other manufacturers).
  • Highly robust, precise Optec TCF-S3i focuser is standard. Optional FLI Atlas focuser.
  • Outstanding field illumination across big chip cameras. Click here to see an unprocessed iDK image taken by a 16803 CCD camera that has not been flat fielded.
  • Carbon fiber truss tube engineered to provide rigidity and thermal stability.
  • Optional AGO Thermal Control System for PC-based, automatic control of cooling fans, primary heater, and secondary heater.
  • CNC machined components with stainless steel fasteners.
  • Shroud included.
  • Upper dovetail included.
  • Best  in class customer support and pricing.

SPECIFICATIONS

 Model
 AGO-iDK12.5
 Aperature  12.5"
 Focal Ratio
 6.7
 Focal Length
 83.5"
 Back Focus
 5.25" w/ Optec TCF
 OTA Type
 Truss
 Primary and Secondary Mirrors
 Supremax 33 substrate. Optional quartz upgrade
 Fans (blowing air into OTA)
 3 x 60mm
 Secondary Obstruction
 6.7"
 Focuser (included)
 Standard: Optec TCF-S3i 3-inch temperature compensating digital
 Corrector  85mm two-element broadband AR coated
 Mirror Coatings
 Enhanced Aluminum
 Baffling  Primary and secondary baffles, baffled for 16803 size chip
 Dovetail  Heavy-duty, Losmandy "D" compatible dovetail plate included
 Tube Length
 30"
 Dimensions  Here
 Tube weight w/ dovetail and focuser
 Approx. 52 lbs.
 Price  $10,695
 Quartz Upgrade
 $1,250
 AGO Thermal Control System
 $975
 Shroud  $125
 Piggyback Dovetail Plate
 $225
 Spacers  Contact for specifics
 Delivery  Approx. 3 - 4 months
 Shipping  Contact for estimate
 

Please see the "Additional Information" page for ordering and warranty information.

Download the AG Optical Systems Imaging Dall Kirkham manual here.

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