Results 1 to 5 of 5

Thread: Shutter speed tester on Kickstarter

  1. #1
    Do or do not. There is no try.
    Join Date
    Jan 2007
    Location
    Massachusetts, USA
    Posts
    737

    Shutter speed tester on Kickstarter

    There's a new Kickstarter for a nice-looking shutter speed tester called Phochron XA. Just search for Phochron.

    No relation other than being a backer.

  2. #2
    adelorenzo's Avatar
    Join Date
    Dec 2012
    Location
    Whitehorse, Yukon
    Posts
    412

    Re: Shutter speed tester on Kickstarter

    Cool project I just backed it. Thanks Steve.

  3. #3

    Join Date
    May 2016
    Location
    Licking County, Ohio
    Posts
    157

    Re: Shutter speed tester on Kickstarter

    I backed it as well. I've been using the smartphone app plus photodiode for a while and there's some serious limitations to it. This tester is a MUCH better solution.

  4. #4
    B&W LF
    Join Date
    May 2015
    Posts
    13

    Re: Shutter speed tester on Kickstarter

    It looks really easy to use, I backed it also. I have also used the Shutter-Speed app for my iPhone, developed by Lukas Fritz in Germany, which uses sound or light (using a light sensing diode called the PhotoPlug attached to the audio/headphone jack (obsolete in iPhone 7 of course)) though you have to manually drag the slider to measure the peaks of the sound or light transmission. It is a bit of a hassle to use, and now I've lost the dongle, and was never quite sure if I was measuring the peaks on the waveform correctly. A much cheaper option, though requires some manual intervention, for only ~$30.

    The shutter release sound you recorded previously is now shown as a waveform. Use the Two-Finger-Gesture to zoom in and out, until you see a signal similar to the one above.
    Next, use the two blue knobs below the signal to measure the time between the two peaks.
    With the button in the bottom left corner, you can set the Target shutterspeed. This is the shutter speed you set on your camera.
    In the example above, the camera was set to 1/30sec. The measured time was 1/24,5sec. The deviation from the target value (1/30) is +1 third of a f-stop, this means the camera is overexposing the film by 1/3 stop !
    Here is also a video of how it works: https://www.youtube.com/watch?v=tOcGn07YUpc
    Last edited by bwlf; 11-Nov-2016 at 12:02. Reason: updated notes for clarity

  5. #5
    B&W LF
    Join Date
    May 2015
    Posts
    13

    Re: Shutter speed tester on Kickstarter

    Quote Originally Posted by Steve Goldstein View Post
    There's a new Kickstarter for a nice-looking shutter speed tester called Phochron XA. Just search for Phochron.
    Here is the link: Phochron XA Film Camera Shutter Speed Tester and Official Phochron XA website
    (perhaps an easier to remember and pronounce name could have been chosen?)

    It has reached it's project goal of $8,500 -- though the kickstarter ends in 6 days, on 17 Nov 2016.

Similar Threads

  1. Shutter speed tester
    By Arthur Nichols in forum Cameras & Camera Accessories
    Replies: 92
    Last Post: 11-Sep-2011, 12:49

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •