[LargeFormat] Newbie alert - ? on using a strobe
Delano Mireles
largeformat@f32.net
Sat May 24 22:50:12 2003
Lauvone and Les,
thank you for the answers and suggestions. I've been putting in new
posts for my fence and haven't had a chance to follow up. I'm hoping
tomorrow will fare better for breaking the equipment out. I'll let
y'all know
Delano
On Thursday, May 22, 2003, at 02:04 PM, Les Newcomer wrote:
> A couple of things to try....
>
> double check the asa setting on the flash meter.
>
> set the shutter to X.
>
> And while these shutters will sync at any speed, give it the benefit
> of the doubt and set it to 1/50 1/60.
>
> Set the aperture wide open, Remove the ground glass back. ( Yes
> remove the back. Several people on this list can certify that I'm
> certifiable including Uncle Dick, just trust me).
>
> Unhook the the sync cord.
>
> with one hand hold on the cable release, use the other to adjust
> the dark cloth over your head and try to focus your eyes on the rear
> of the lens. Trip the shutter.
>
> Depending on what the ambient light is, you'll see something faint or
> nothing at all.
>
> Now hook up the flash cord and do it again, just be sure the dark
> cloth is keeping out as much light as possible.
>
> You should see something obviously different, if it isn't then
> there's synchronizing problem.
>
> If it is then reassemble the back shoot some film at the metered
> aperture, and one wide open.
>
> And another with the metered aperture, but set the shutter to bulb,
> turn off ambient lights and fire the flash and shutter manually
> (open, FLASH, close) Mark this one as it will determine whether the
> meter is off.
>
> See what develops.
>
>
> On Thursday, May 22, 2003, at 01:06 PM, Delano Mireles wrote:
>
>> Hi all,
>>
>> a friend of mine has lent me his old B&J 4x5 w/Rodenstock 135mm. I
>> attempted to take some shots for the first time last night and was
>> not successful at all. Now, the lens does have something that trips
>> the strobe. So, using my L-358 I took a corded flash reading of
>> 1/125 @ f22 with my Bee. I then set the lens according to this
>> reading then proceeded to take a couple of shots.
>>
>> After developing the negs I turned on the lights to be disappointed
>> by seeing a blank neg. It looked like there was nothing on the negs
>> at all! After this happened on 4 frames I went back and took a
>> regular incident reading and shot two more frames 8 sec. @ f22 and
>> had > success.
>>
>> I'm just assuming that the first run of negs were severely
>> underexposed and that's the reason why the negs came out clear.
>>
>> There is something I am obviously missing here and I come to you for
>> any ideas or suggestions as to what could be the case here. The lens
>> does have a "tab" that can either be set to "M" or "X". I have no
>> idea what these are and how they factor in. I did try both setting
>> and to no avail...
>>
>> Thanks for any insight you could offer this newbie!
>>
>> Delano
>>
>>
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>
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