On 8/18/2023 2:33 PM, usher99--- via olympus wrote:
I read on the TTartisans website that the 100/2.8 lens does not usually mount with aperture dial on
top. They recommend an "adjustable" adapter---I see a few variants have screws to
do so. The adjustment has no performance consequence but may make the ergonomics better.
https://www.amazon.com/Fotasy-NA42-Copper-Adjustable-Adapter/dp/B003YBPRHI?th=1
That one has the screes but build quality looks marginal.
I have LOTS of Fotasy adapters. No problem with any. I wouldn't worry about
their quality.
Two of them are Fotasy M42 Lens to Sony E-Mount Focusing Helicoid Adapters. Not available on Amazon now. One is on a
lens without any angle adjustment that ends up perfectly aligned. Another is on a T mount lens with adjustment in the T
to M42 adapter. They are very useful, as these old lenses have long close focus distances.
I think K&F adapter has the screws. The macro adapters that add a bit of extension seem
like a good idea too as it may make an interesting macro lens.TTartisans looks like a quirky
company. They sell a 2:1 tilt-shift macro lens! Too bad it is finicky (in the reviews)
unlike the buttery smooth Mirex T-S adapters.
The usual higher quality ones don't seem adjustable. Suggestions?
I would buy the Fotasy Copper from your link. CF of 36 in. on a 100 mm lens is pretty good; then I'd use an achromatic
C-U lens for closer. The Oly iS/L Lens A-Macro H.Q. Converter f=40cm would screw right in.
Still investigating.
Gonna have one for me to see when we get there? 😁
Cauldron not yet bubbling, Mike
Little Toil, No Trouble Moose
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