ADL 300 f/5.6 Astrograph

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ADL 300 f/5.6 Astrograph

# 1351130

€ 15,800.00 Price excl. German VAT tax (19%): € 13,277.31
1

  • the most compact, elegant and lightest astrograph of given size on a market, 36 lb (16kg)
  • five element optical system including 3-lens field corrector
  • OTA made of Aluminum alloys and Titanium tubes. It is thermocompensate.
  • Scope of delivery without focuser. FLI Atlas Focuser available on request
Important note: This product is not available online. If you are interested, please send us a formal inquiry incl. contact data by email. We shall gladly provide a detailed offer.

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Description

Details

TEC ADL 300 f/5.6 Astrograph

Detail TEC ADL 300 f/5.6 Astrograph
Detail of the 300 ADL primary mirror cell and cooling fan system

ADL stands for Astrograph Diffraction Limited, it is a 5-element optical system with two mirrors and 3-lens field corrector. It is most compact, elegant and the lightest astrograph of given size on a market.

Specifications

Mirrors substrate Quartz or zero-expansion Sital
Mirrors coatings Enhanced Aluminum, 95-96% average reflectivity
Aperture 300 mm
Focal length 1.680
Focal ratio 5.6
Image Scale 2 arcmin / mm
Field diameter 52mm (36 x 36 mm chip)
Focuser type helical
Focuser travel 10mm
OTA material OTA made of Aluminum alloys and Titanium tubes. It is thermocompensated.
Primary cooling 4 Papst (Germany) low vibration fans
TOA weight 36lb (16kg)
OTA length 29" (735mm)
Optional accessories Kendrick Astro-system dew controller with secondary mirror heating, FLI ATLAS focuser, adapters, TEC 9" dovetail.
 


Spotdiagram ADL 300 f/5.6 Astrograph

ADL 300 Spotdiagram
 
Specifications

Additional Information

General
Manufacturer TEC
SKU (#) 1351130
Weight (kg) 16
Optics
Optical Design Astrograph Diffraction Limited
Clear Aperture 300 mm
Focal Length 1680 mm
Focal Ratio f/5.6
Image Scale 2 arcmin / mm
Optical length (mm) 29" (735 mm)
Optical Tube Weight 36lb (16 kg)
Mount
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