Tele/Wide adapters were pretty common for the 60's and 70's fixed lens
rangefinders. My very first camera, which I still have (1963?) is a
Petri 7s with razor sharp 45/2.8. It took a lot of great Tri-X and
Kodachrome shots. The meter quit working about 35 years ago and so I
recently bought a parts Petri 7s with a working meter and fixed it.
In those day I had always coveted the Tele/Wide auxiliary lenses but
couldn't afford them. Then, a year or so ago I spotted a set on the bay
and bought them. What I didn't realize is that, although specified for
a 45mm/2.8, they were for a later model Petri (Petri Racer?) with 49mm
filter thread like the 35SP. The Petri 7s has a 52mm thread so they
don't fit without a step-down ring which I don't have. I have never
actually used them.
Anyhow, if you'd like this set, you can have them for $15 plus shipping
with right of return if they don't work out for any reason. They are
supposedly designed for a 45/2.8 so they may vignette on a 42/1.7. On
the other hand they probably need to be used at f/8-11 for decent
performance and they may not vignette at smaller apertures.
Check for clearance. Back of lens has tapering protrusion sticking out
about 5mm beyond the mounting threads. The taper starts at about 39mm
diameter and tapers down to 19mm diameter over the 5mm depth. Front of
lenses are impressive looking large chunks of glass.
Installing these on a Petri would cause loss of metering since the lens
back would block the photocell surrounding the lens. The 35SP has the
photocell near the viewfinder so metering will not be affected other
than angle of view maybe not what the meter sees.
They are in fairly pristine condition and look like they have almost
never been used. In fitted, red-lined, black leather case complete with
auxiliary finder which fits in the hotshoe. JPEG's on request.
Chuck Norcutt
Woburn, Massachusetts, USA
---------------------------
I have been using the Oly 35SP for quite a few years now and would like
to know if you could add an wide angle lens to the exsisting lens 49mm
thread - sort of in the way you do with the E-10 wide angle adapters;
obviously adding an accessory finder to the hotshoe.
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