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Re: [OM] Fireworks set Up?

Subject: Re: [OM] Fireworks set Up?
From: "Jan Sturm \(GMX\)" <jan.sturm@xxxxxxx>
Date: Fri, 04 Jul 2003 00:08:52 +0200
If you are mounted on a tripod, take a cable release and possibly a remote cord with you if you want to achive film wind on without touching the camera set up. Here's how you do it:

Screw the cable release into the shutter on the body - set body to B
Attach the remote cord to the winder / md setup

Expose your frame with the cable release. Once you close the shutter, fire the MD / Winder (best to have it set in single mode) by either Remote Cord or gently pressing on the Winder's / MD's Shutter release.

The Winder / MD will detect that the shutter has been fired, but the film has not been wound and the shutter has not been cocked. So it will do that for you, anticipating the next exposure (of course, again via the cable release - and here the cycle closes)

OM Gear is pretty clever stuff, eh ?

Bests, Jan

John A. Lind wrote:
At 04:25 PM 7/3/03, you wrote:

So if I shoot w/md the camera will atomicity shoot at 500 sec?
How?
Dan

B26) What shutter speed do I get with an OM-2(N) fired with a winder or
motor drive when the shutter speed ring is set to B?

        1/500th sec.

        Thanks to John Hermanson <omtech@xxxxxxxxx>


The problem relates to how Olympus designed the MD's and Winders. On many systems, the film does not advance to the next frame until you let up on the MD/Winder button. The OM system does not work that way. The film advances to the next frame as soon as the shutter closes, whether it's in Single or Sequence mode. IMO this is an advantage, but it is at the cost (trade-off) of not being able to use the "B" shutter speed setting. See the "Main Characteristics" text in the eSIF for the MD 1, MD 2, Winder 1, and Winder 2:
  http://olympus.dementia.org/eSIF/om-sif/motordrivegroup/motor_drive_1.htm
  http://olympus.dementia.org/eSIF/om-sif/motordrivegroup/motor_drive_2.htm
  http://olympus.dementia.org/eSIF/om-sif/motordrivegroup/winder_1.htm
  http://olympus.dementia.org/eSIF/om-sif/motordrivegroup/winder_2.htm

Also looked in my Winder 2 manual under its specs. It lists the usable shutter speeds for the OM-1[n], OM-2[n] and OM-10. In manual exposure mode, all were 1-1/1000th . . . NO "B." What the manual doesn't state is what happens if you do use the "B" setting.

The "B" on all the single-digit bodies is mechanical. The MD/Winder lets up on the shutter release mechanism inside the camera as soon as it has been actuated so it can get on with winding to the next frame as soon as the shutter closes . . . whether or not you're still depressing the button on the MD/Winder handle. Clint or John H. will have more details. My best educated guess is this all happens in about 1/500th second!

-- John


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