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Light Meter Weirdness
Old 07-07-2005, 10:53 AM   #1 (permalink)
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Okay, so I bought this Minolta IV F exposure meter from a fellow, and it appears to work fine. Except...

1) When I'm outside, it works great.

2) When I'm inside and I meter for ambient, it works great, say if I up it to ISO400 and ask it for an exposure reading at 1/30.

3) When I'm inside and I use my strobes, it gets wacky. It insists that there's not enough light even when there's a 400w/s strobe two feet away at full power. The camera captures basically solid white at ISO100, f11, 1/200, and the thing is saying, "Well, if you upped it to ISO200, you could maybe get away with 1/60 at f1.0. (Incidentally, I don't even own an f1.0 lens. [img]/ubbthreads/images/graemlins/smile.gif[/img] )

Any theories?

M
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Re: Light Meter Weirdness
Old 07-07-2005, 11:56 AM   #2 (permalink)
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I do not mean to offend. Is the mode set for cord, non cord or ambient? It sounds like it is set for ambient and it is reading the modeling lights. It could also be that you are pressing the button too hard. I have found with my meter that it takes a quick tap of the button or it attempts to read the ambient light after the flash fires.

Glenn
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Re: Light Meter Weirdness
Old 07-07-2005, 12:38 PM   #3 (permalink)
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You didn't offend me, as that is in fact the first thing one would suspect in this situation. However, I do have it set to "Non-Cord," and it's still doing it. I'll try just tapping the button, but I think it's doing what it's supposed to do in that respect.

M
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Re: Light Meter Weirdness
Old 07-07-2005, 03:54 PM   #4 (permalink)
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does the non-cord flash on the display? It should be blinking when it is ready and then your strobes go off and it should stop blinking.
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Re: Light Meter Weirdness
Old 07-07-2005, 04:14 PM   #5 (permalink)
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I have the Minolta Flash Meter IV. I don't know whether its an F or not. I've had it many years and it works perfectly. Do meter flash, here are the steps (so you can check that everything is being done right, and nothing overlooked):

1. Set to shutterspeed (Time) desired (your camera sync speed).
2. Set the ISO desired.
3. On left side there are 4 slider switches. They should be set from left to right: FNo, FNo, Norm, Single.
Be sure the Non.C is selected.
4. Press the button marked 4 in the illustration
5. Push the button marked 5 in the illustration (this will clear any fstop reading and the non.c indicator will flash
6. Fire the flash



You should now have the proper Fstop reading shown.

Cheers,
rfs
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Re: Light Meter Weirdness
Old 07-07-2005, 04:21 PM   #6 (permalink)
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Interestingly, my Minolta IV F flashmeter looks almost nothing like that meter. It hasn't got any slider switches. Thanks, though.

M
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Re: Light Meter Weirdness
Old 07-07-2005, 04:21 PM   #7 (permalink)
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Yep, it does that.

M
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Re: Light Meter Weirdness
Old 07-07-2005, 04:55 PM   #8 (permalink)
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Wow! I just found a photo of the IV F and they really made lots of changes to the user interface. The feature list is almost identical, but lots of button changes, etc. Hope you work out your problem.
Cheers,
rfs
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Re: Light Meter Weirdness
Old 07-08-2005, 12:06 PM   #9 (permalink)
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Kind of funny, all this time I thought I've been using a IVF and it's actually a V. Before I bought it I used Sekonics so I may not be much help, but...

- When you're set to non-cord, you hit the button then fire your strobes, right? Does the meter display stop flashing once the strobes fire? Does it beep?

- I'm assuming it's default is like mine in that you give it the ISO and shutter speed and it gives you an aperture, is that correct?

- Could the strobe be too close? I don't know that that would be a problem but it seems possible to overload the sensor and get a faulty reading.

- Have you tried it with a cord? Not that synch would be an issue but it's worth a try if you have a cord or a radio slave handy.

- I'm kinda stumped. Sounds like it thinks it's in flash mode but is actually measuring ambient; do the values work out that way?

Good luck.
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Re: Light Meter Weirdness
Old 07-08-2005, 01:11 PM   #10 (permalink)
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[ QUOTE ]
When you're set to non-cord, you hit the button then fire your strobes, right? Does the meter display stop flashing once the strobes fire? Does it beep?

[/ QUOTE ]

Yes. Yes. No, this one never beeps. It is beep-deficient.

[ QUOTE ]
I'm assuming it's default is like mine in that you give it the ISO and shutter speed and it gives you an aperture, is that correct?

[/ QUOTE ]

Correct.

[ QUOTE ]
Could the strobe be too close? I don't know that that would be a problem but it seems possible to overload the sensor and get a faulty reading.

[/ QUOTE ]

It's supposed to give you a specific error response when that happens and it doesn't do it. It reports insufficient light, not too much.

[ QUOTE ]
Have you tried it with a cord? Not that synch would be an issue but it's worth a try if you have a cord or a radio slave handy.

[/ QUOTE ]

It works perfectly in cord mode.

[ QUOTE ]
I'm kinda stumped. Sounds like it thinks it's in flash mode but is actually measuring ambient; do the values work out that way?

[/ QUOTE ]

It very well could be. The behavior is consistent with that hypothesis. Thanks for thinking about it. [img]/ubbthreads/images/graemlins/smile.gif[/img]

M
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