I use mine mostly with a normal lens. Since it's also a 2x teleconverter,
the equivalent 100mm f/2.8 lens that goes to 1:1 gives comfortable enough
distance from most subjects for me. I've even used it with a 35mm f/3.5
lens with excellent results, tho' the resulting 70mm f/7 requires bright
light to work comfortably with.
Best to avoid long or heavy lenses - the Vivitar's helical seems to get
cranky, binding the focus/magnification ring.
I've never combined it with extension tubes - don't have any. Adding close
up diopters to the front doesn't accomplish much so I've used those with the
Vivitar only a couple of times.
Mostly I leave it on one of the normal lenses as a handy 100mm telephoto
that happens to get 1:1 macro magnification if I need it. The tricky part
for me has been remembering to compensate for the light loss when using
flash.
Here are a few pix, three of some custom jewelry:
http://albums.photopoint.com/j/AlbumIndex?u=1005538&a=11092963
And one of my ferret, Willie, who died tonight (Saturday) at age 10 or so
after a bout of kidney and bladder problems. The photo shows him in happier
times, being cuddled by a cute young lady who modeled for me for my first
attempt at...what? Glamour...fashion...I dunno...photography of cute young
ladies wearing clothes.
http://albums.photopoint.com/j/ViewPhoto?u=1005538&a=7400081&p=38669875
Doesn't demonstrate anything in particular except the versatility of the
Vivitar macro focusing 2x teleconverter combined with a normal lens.
Gary Reese's tests seem to indicate this is one of the better teleconverters
available - probably far better than Vivitar's standard 2x converter - and a
bargain to boot. All I know ees, eet been beddy beddy good to my peektures.
===
Lex
===
Date: Sat, 20 Jan 2001 07:02:54 -0600
From: "Tom Scales" <tscales@xxxxxxxxxxxxx>
...Vivitar Macro focusing teleconverter...
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