If it's too dark to see the exposure meter needle, Martin, I would suggest
that it is too dark to use an exposure meter - even a backlit digital meter!
Firstly, the meter is going to want to render things as 18% grey - which you
probably don't want;
Secondly, at exposures of several minutes, you are going to be "hit" by
reciprocity failure;
Thirdly, with exposures of 8 minutes, 2 minutes either way is going to be
within tolerances of any meter in practical use.
I don't think you need a meter at all!
Try to track down a copy of Kodak's Adventures in Existing-Light Photography
(Publication AC-44), or a Kodak Master Photoguide - they have ready
reckoners for such applications. I see both on Amazon, starting from
USD0.04. Must therefore be worth at least twice my two pennyworth!
Piers
-----Original Message-----
From: Martin Walters [mailto:mwalters@xxxxxxxxxx]
Sent: 16 May 2011 01:12
To: Olympus Camera Discussion
Subject: [OM] Long exposures with an OM2N - advice needed
I'm taking a short course in long exposures. From the first lesson, it's
clear that the teacher's objective really is LONG exposures - 8-10 mins
range, it seems.
The three courses are being done at night. While we'll be in an urban
setting, I will have to provoke exposures beyond the 0M's auto metering
limits (3 mins or so, I gather). Trouble, as I quickly found out, is that I
find it pretty much impossible to see the metering needle (compounded by old
eyes).
Any suggestions for a work around? And, no, I don't have an OM4T handy, as
mine is with John H for a CLA. As a last resort, I suppose that I could get
an appropriate digital meter with a backlit screen. At least I'd be able to
get a reading and see it!
Martin
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