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    • Flat panels
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  • Flat panels
    • Motorized observatory flap panels
      • OFP100 (max. aperture 75mm)
      • OFP125 (max. aperture 100mm)
      • OFP150 (max. aperture 125mm)
      • OFP170 (max. aperture 145mm)
      • OFP194 (max. aperture 169mm)
      • OFP260 (max. aperture 235mm)
      • OFP300 (max. aperture 275mm)
    • Motorized flap panels
      • FLAP100 (max. aperture 75mm)
      • FLAP125 (max. aperture 100mm)
      • FLAP150 (max. aperture 125mm)
      • FLAP170 (max. aperture 145mm)
      • FLAP194 (max. aperture 169mm)
      • FLAP260 (max. aperture 235mm)
    • Lens flat panels
    • Basic flat panels
    • Wall mounted flap panels
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Flat panels

Home Flat panels

Flat frames are crucial part of astrophotography to remove vignetting and dust moths from your data. Making flats can be quite cumbersome, especially if you stride towards automation and simplification of the process. Our flap panel makes making flat frames with your refractor telescopes part of automated routine, without hacks like LCD screens, sky with T-shirt etc. But that is not all! We are also offering the new innovative Observatory Flap Panel. Unlike traditional designs, the OFP2 moves sideways, meaning it does not increase the total length of your setup and does not require clearance space behind the telescope to operate.

To solve this we offer 5 ranges of flat panels:

  • motorized observatory flap panels (OFP2) – for telescopes up to about 275mm telescope aperture
    • OFP100 (max. aperture 75mm)
    • OFP125 (max. aperture 100mm)
    • OFP150 (max. aperture 125mm)
    • OFP170 (max. aperture 145mm)
    • OFP194 (max. aperture 169mm)
    • OFP260 (max. aperture 235mm)
    • OFP300 (max. aperture 275mm)
  • motorized flap panels (FP2) – for telescopes up to about 235mm diameter, open/close and brightness controllable via ASCOM/Indi/ASIAIR, optional integrated dew heater, custom opened position, obstacle detection…
    • FLAP100 (max. aperture 75mm)
    • FLAP125 (max. aperture 100mm)
    • FLAP150 (max. aperture 125mm)
    • FLAP170 (max. aperture 145mm)
    • FLAP194 (max. aperture 169mm)
    • FLAP260 (max. aperture 235mm)
  • lens flat panel (FTL2) – manual flat panel for lenses, adjustable for different diameters, brightness controllable via ASCOM/Indi/ASIAIR
  • basic flat panel (FT2)  – a classic among flat panels and a natural upgrade from DIY alternatives like T-shirts, tablets, and similar makeshift solutions, brightness controllable via ASCOM/Indi/ASIAIR
  • wall mounted (WFT2) – for larger telescopes, in various sizes, brightness controllable via ASCOM/Indi/ASIAIR

Our flat panels utilize LED technology, to achieve good uniformness and great brightness range – including very dim settings for long exposures.

Diameter for our motorized flap panels can be customised free of charge, so if you don’t find one which suits your telescope, write us to always@deepskydad.com and we’ll find a solution.

Showing 1–24 of 25 resultsSorted by popularity

  • WO RedCat 51 Observatory Flap Panel (OFP2)
    detailSelect options

    WO RedCat 51 Observatory Flap Panel (OFP2)

    From €259,00
  • WO RedCat 51 Flap Panel (FP2)
    detailSelect options

    WO RedCat 51 Flap Panel (FP2)

    From €259,00
  • WO RedCat 91 Flap Panel (FP2)
    detailSelect options

    WO RedCat 91 Flap Panel (FP2)

    From €309,00
  • William Optics Gran Turismo GT81 IV Flap Panel (FP2)
    detailSelect options

    William Optics Gran Turismo GT81 IV Flap Panel (FP2)

    From €309,00
  • FP1 to FP2 electronics upgrade kit (circuit, enclosure, USB-C cable)
    detailSelect options This product has multiple variants. The options may be chosen on the product page

    FP1 to FP2 electronics upgrade kit (circuit, enclosure, USB-C cable)

    €59,00
  • WO RedCat 61 Flap Panel (FP2)
    detailSelect options

    WO RedCat 61 Flap Panel (FP2)

    From €259,00
  • William Optics FLT 91 Flap Panel (FP2)
    detailSelect options

    William Optics FLT 91 Flap Panel (FP2)

    From €309,00
  • William Optics FLT-132 Flap Panel (FP2)
    detailSelect options

    William Optics FLT-132 Flap Panel (FP2)

    From €359,00
  • WO RedCat 51 WIFD Observatory Flap Panel (OFP2)
    detailSelect options

    WO RedCat 51 WIFD Observatory Flap Panel (OFP2)

    From €259,00
  • William Optics GT 71 Flap Panel (FP2)
    detailSelect options

    William Optics GT 71 Flap Panel (FP2)

    From €259,00
  • WO Zenithstar 81 APO Flap Panel (FP2)
    detailSelect options

    WO Zenithstar 81 APO Flap Panel (FP2)

    From €309,00
  • WO RedCat 51 WIFD Flap Panel (FP2)
    detailSelect options

    WO RedCat 51 WIFD Flap Panel (FP2)

    From €259,00
  • WO Pleiades 111 Flap Panel (FP2)
    detailSelect options

    WO Pleiades 111 Flap Panel (FP2)

    From €309,00
  • William Optics Zenithstar 73 Flap Panel (FP2)
    detailSelect options

    William Optics Zenithstar 73 Flap Panel (FP2)

    From €259,00
  • William Optics GT-81 WIFD Flap Panel (FP2)
    detailSelect options

    William Optics GT-81 WIFD Flap Panel (FP2)

    From €309,00
  • William Optics FLT120 Flap Panel (FP2)
    detailSelect options

    William Optics FLT120 Flap Panel (FP2)

    From €359,00
  • WO Zenithstar 61 Flap Panel (FP2)
    detailSelect options

    WO Zenithstar 61 Flap Panel (FP2)

    From €259,00
  • WO Pleiades 68 Flap Panel (FP2)
    detailSelect options

    WO Pleiades 68 Flap Panel (FP2)

    From €359,00
  • WO RedCat 51 WIFD / MiniCat 51 Limited Edition Flap Panel (FP2)
    detailSelect options

    WO RedCat 51 WIFD / MiniCat 51 Limited Edition Flap Panel (FP2)

    From €0,00
  • William Optics FLT-110 Flap Panel (FP2)
    detailSelect options

    William Optics FLT-110 Flap Panel (FP2)

    From €309,00
  • William Optics Star 71 Flap Panel (FP2)
    detailSelect options

    William Optics Star 71 Flap Panel (FP2)

    From €259,00
  • WO Ultra-Cat 76 Flap Panel (FP2)
    detailSelect options

    WO Ultra-Cat 76 Flap Panel (FP2)

    From €259,00
  • WO Ultra-Cat 108 Flap Panel (FP2)
    detailSelect options

    WO Ultra-Cat 108 Flap Panel (FP2)

    From €359,00
  • William Optics Megrez 88 FD Flap Panel (FP2)
    detailSelect options

    William Optics Megrez 88 FD Flap Panel (FP2)

    From €309,00
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  • Rated 5 out of 5 (3)

ABOUT COMPANY

L2 tech d.o.o.
Nova Gora 18
8270 Krško
Slovenia

For details, click here.

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LINKS

  • Shop
  • Products
    • Flat panels
    • Field rotator
    • Autofocusing
    • Power distribution
    • All-sky camera enclosure
  • Autofocuser kits
  • Flat panels
    • Motorized observatory flap panels
      • OFP100 (max. aperture 75mm)
      • OFP125 (max. aperture 100mm)
      • OFP150 (max. aperture 125mm)
      • OFP170 (max. aperture 145mm)
      • OFP194 (max. aperture 169mm)
      • OFP260 (max. aperture 235mm)
      • OFP300 (max. aperture 275mm)
    • Motorized flap panels
      • FLAP100 (max. aperture 75mm)
      • FLAP125 (max. aperture 100mm)
      • FLAP150 (max. aperture 125mm)
      • FLAP170 (max. aperture 145mm)
      • FLAP194 (max. aperture 169mm)
      • FLAP260 (max. aperture 235mm)
    • Lens flat panels
    • Basic flat panels
    • Wall mounted flap panels
  • Telescopes
  • Accessories
  • Brands
    • Deep Sky Dad
    • Askar
    • Astro-Physics
    • Astrotech
    • Baader
    • Daystar
    • Explore Scientific
    • GSO
    • JMI
    • Moonlite
    • Opticstar
    • Orion
    • Sharpstar
    • Skywatcher
    • Starlight
    • Takahashi
    • Telescope Service
    • TEC
    • TPO
    • William Optics
    • ZWO
  • Software and documentation