I was sorting out some unfiled papers yesterday evening and came across a
lens that I had bought a few years ago. It's a Tele-Vivitar 200/3.5. It has a
T-mount, and I just happen to have a T to OM adapter. The focusing control
covers a full 330 degrees, but it only focuses down to 3.5 m (11 ft).
Interestingly, this lens has two aperture rings. The first ring controls
the iris, and the second ring acts as a stop. Seems that you adjust the stop
ring to your desired f-stop, then open up the aperture ring for focusing. Then
you adjust the aperture ring to the stop ring setting so you don't have to look
away from the viewfinder.
In addition, the aperture dues not seem to have any leaves. No matter
what the f-stop setting is, the aperture remains round. So any bokeh will come
out round. I wonder how they do that?
On evilBay I found a few more lenses from this series, starting with a
135/3.5 to a massive 600/8, which appears to be almost 2 feet long.
These lenses appear to be a predecessor to the T4 series, which Vivitar
marketed together with Soligor, which then evolved into the TX series.
Chris
When the going gets weird, the weird turn pro
- Hunter S. Thompson
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