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Re: [OM] Trouble-Bubble adapters

Subject: Re: [OM] Trouble-Bubble adapters
From: Moose <olymoose@xxxxxxxxx>
Date: Fri, 18 Aug 2023 16:20:17 -0700
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.
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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