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See beamshots links from Russia inside

  • alefedos Sunday, August 30, 2009 1:24 PM Reply
    You can see many flashlights in our beamshot comparasion in http://fonarevka.lux-rc.com

    Let me tell you about shooting parameters for these tests.
    As you can see there are four modes of view for flashlights called Road, Road 2, Wall and Body.
    I used my Nikon Coolpix P5100 photo camera with tripod.

    Road.
    There are 2 targets on the road. They are 2-litre Fanta bottles with some water for preservation of stability during a wind. The distance to 1st target is 25m and to the 2nd is 75m. Some photos contains 3 targets (3rd=100m). All the flashlights are directed on the second target. The height of tripod with flashlights is 1m (like most of bicycle handlebars). The tripod with photo camera is situated a 1m before the flashlights tripod with the height of 1.45m (like your eyes when you riding).
    Shooting parameters.
    Focal length: 8mm (Focal length in 35 mm film: 35mm)
    The angle you (camera) see is 90 degrees
    Aperture size: F/3.0
    ISO speed: ISO200
    Exposure time: 1/2s, 2s, 8s

    Road 2.
    The same as Road, but the tripod with photo camera is situated a ~4m before the flashlights tripod to show you the light in near zone.

    Wall.
    The distance from photo camera to wall is 4m. The distance from flashlights to wall is 3m. The angle you (camera) see is 90 degrees, but for flashlights it is about 105 degrees.
    Shooting parameters.
    Focal length: 8mm (Focal length in 35 mm film: 35mm)
    Aperture size: F/3.0
    ISO speed: ISO200
    Exposure time: 1/60s, 1/16s, 1/4s, 1s, 4s

    Body.
    This view mode contains the photos and specifications of flashlights. Many information will be there later.

    Please, feel free to ask any questions about this test.
    Posts(56) | Reviews | Tip post

    post edited by alefedos on 8/30/2009 at 3:30 PM
  • DDN84 Wednesday, September 2, 2009 11:37 PM Reply
    I love your beamshots, alefedos! Thanks!

    Btw, how did you open the head of TK11 to swap the emitter?
    Posts(77) | Reviews | Tip post

    post edited by DDN84 on 9/2/2009 at 11:41 PM
  • _Diceman Thursday, September 3, 2009 12:56 AM Reply
    That's some database you've got there.

    Posts(481) | Reviews | Tip post

  • alefedos Saturday, September 5, 2009 2:37 AM Reply
    You can buy TK11 with R2, no need to open the head to change anything inside.
    Posts(56) | Reviews | Tip post

  • DDN84 Saturday, September 5, 2009 10:10 PM Reply
    Actually I want to change to neutral white LED, or perhaps XR-G in the future. An increase from Q5 to R2 doesn't impress me at all.
    Posts(77) | Reviews | Tip post

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