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Thread: Project Excalibur - Next Generation LED Thrower (many pics)

  1. #31
    Flashaholic* The_Driver's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Thanks Keitho!


    Still missing were the dimensions and the wheight:


    • Length: 32.4cm (12.8in)
    • Diameter of head: 14.5cm (5.7in)
    • Diameter of tailcap: 4.9cm (1.8in)
    • Wheight with batteries: 1.445kg (3.2lbs)


    Wheight of some of the parts:


    • Head: ~600g (1.3lbs)
    • Body: ~541g (1.2lbs)
    • Tailcap: 103g (3.6oz)
    • Battery holder: 56.7g (2oz)
    • Batteries: 144.1g (5.1oz)


    The BLF GT is around 60% heavier, mainly because of its five additional batteries and the material around them.

  2. #32
    Flashaholic PolarLi's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Quote Originally Posted by The_Driver View Post
    Here the light was dimmed to 1% and the Camera was at its absolute darkest settings (during the day!):

    Nice shot! I wonder if am able to make the same shot with one of my SA lights using a telescope at 50-100 meters, using the solar filter and DSLR adapter.

  3. #33
    Flashaholic* The_Driver's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Thanks.
    I think it's possible. Ra managed to do it with his Maxablaster. I think he used a welding filter.

  4. #34
    Flashaholic* The_Driver's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Time for more beamshots. I'm getting gloser to my goal of 2.6km (1.62mi) beamshots.
    To make these shots seem more realistic they need be viewed in fullscreen mode on a large monitor in a dark room. This way much more detail can be seen.

    544m(1785ft):


    Tele:


    498m(1634ft):




    Cell-phone beamshot very close to the light (makes the beam look wide):


    1700-1800m (1.06-1.12mi):







    Tele (overexposed by a lot):




    A darker target next to the building (1500m - 0.93mi) (with my own eyes I couldn't see this being lit up):





    2100m (1.31mi) (the mast, the lit up castle is around 4.8km away)





  5. #35
    Flashaholic* The_Driver's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Here are some new 50m (164ft) beamshots, comparing the light with the my modded Brinyte (330kcd). Unfortunately there are overexposed by too much. The hotspot of the Excalibur is blown out.








  6. #36
    Flashaholic* The_Driver's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    It continues.

    During a very clear night.







    The camera was around 10-15m away from the light. I used the longest possible exposure.

  7. #37
    Flashaholic* The_Driver's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Since many of you probbaly don't know the the driver that was used here, I have some more pictures.

    From left to right: classic 105C, Ampere! driver, Stripe v4 dimmer module, USB programmer for the dimmer module




    The inductor is rather large:



  8. #38
    Flashaholic* The_Driver's Avatar
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    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Finally it's done!
    Beamshots in 3.4km (2.1mi) distance!
    The conditions where very good which allowed me to make the beamshots I have been wanting for quite a while (ANSI distance of the light or further). They were taken with an Olympus E-520 using the following settings:

    • Aperture F/8
    • Shutterspeed: 30s
    • ISO 1600

    I purposefully overexposed them to allow for viewing under daylight conditions (in reality the sky was dark). The target is the water tower to the left and behind the building (which itself was 1.4km away) in a distance of 3.4km.

    14mm:




    42mm:




    cropped:




    Gif:


    Some more fuzzy smartphone pics:





  9. #39

    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Hello,

    Did anyone have the specs of this led Osram Black Flat Gen2 LUW HWQP ?

    Regards
    John

  10. #40

    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)


  11. #41

    Default Re: Project Excalibur - Next Generation LED Thrower (many pics)

    Thank you Agpp.

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