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Telescopes > Tecnosky > Tecnosky Apochromatic refractor AP 70/478 quadruplet flat-field OTA
Product no.: 57327

Apochromatic refractor AP 70/478 quadruplet flat-field OTA

$ 580.00 incl. VAT, plus shipping costs
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Product description

Tecnosky 70m/478mm f/6.78 QUADRUPLET with Lanthanum element

  • 4-element ED APO with integrated corrector
  • Lanthanum glass for a excellent color correction.
  • Perfect refractor for wide-field Deep-sky photography with APS-C sensors

Advantages:

  • Integrated two element corrector
  • 32mm illuminated field
  • Aluminum tube with internal baffles
  • 2inch dual Speed Crayford focuser with 1:10 reduction
  • 360° camera rotation
  • Multi functional mounting dovetail
  • Doublet objective with a Lanthanum correcting element providing crisp charp images
  • Aluminium Case inlcluded

Technical features:

  • Aperture: 70mm
  • Focal length: 474mm
  • Photographic speed: f/6.78
  • Fully illuminated and corrected field of 32mm
  • Weight 2.5kg

Specifications

Optics


Type
Refractor
Type of build
Apochromat
Aperture (mm)
70
Focal length (mm)
478
Aperture ratio (f/)
6,8
Resolving capacity
1,64
Limit value (mag)
11
Light gathering capacity
100
Max. useful magnification
140
Tube weight (kg)
2,5
Tube length (mm)
310
Tube construction
Full tube
lens design
Quadruplet

Focuser


Type of build
Crayford
Connection ( to eyepiece)
2
Gear reduction
1:10 Fine movement
Rotating
yes

Mount


Mounting type
no mount
GoTo control
no
Type of build
OTA

Included accessories


Corrector
integrated
Transport cases
yes
Prism rail
Vixen-Style
Finder scope
no
Deviating optics
no
Eyepiece adaptor
1,25" - 2"

Area of application


Astrophotography
yes (very good)

Recommended for


Beginners
no
Advanced
yes
Observatories
no

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*All prices include VAT plus shipping costs.

Tecnosky Apochromatic refractor AP 70/478 quadruplet flat-field OTA
Tecnosky Apochromatic refractor AP 70/478 quadruplet flat-field OTA
Tecnosky Apochromatic refractor AP 70/478 quadruplet flat-field OTA
Tecnosky Apochromatic refractor AP 70/478 quadruplet flat-field OTA

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