In article , Dick Lague <rlague@xxxxxxxxxxx> writes
I have 3 or 4 of them and an OM4t. I may want to sell a couple of the OM4s.
Why aren't they worth more?
Apart from whether there is an R in the month, a full moon or any of the
other irregularities that drive the price of auctions, the OM-4 is
usually cheaper than the Ti because it is older and went through several
minor variations before Olympus finally got it right.
The electrical variations are listed at:
http://olympus.dementia.org/Hardware/OM-4_circuits.html
and amount to 4 versions in common existence and a fifth which is much
rarer. There were also a number of minor mechanical piece part changes
too.
Early OM-4s ate batteries at a ridiculous rate - about a set every few
weeks to months if left in the camera. In the latter versions, the
current consumption when everything has powered down should be no more
than 10microamps, which is the same as the OM-4Ti. Clearly not everyone
has access to a microammeter to check this but there are several tests
to identify which version you have and these are listed at the end of
the circuit description page above. The simplest is to check if the
battery check LED and buzzer switch off after around 30sec.
If you have the low drain version then add this information to your ad
(together with the evidence and possibly a link to the reference page)
and you might increase the value by eliminating the element of doubt
from potential buyers.
When I was considering an OM-4 to replace my faulty one (which I had
repaired instead) a month or two back, I asked several sellers to run a
few of these tests on the camera they had for sale to try to establish
that it was a low drain version before bidding. Some of the responses
were "illuminating"! :-)
--
Kennedy
Yes, Socrates himself is particularly missed;
A lovely little thinker, but a bugger when he's pissed.
Python Philosophers
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