4/3 Camera Adapter for BX40

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micro
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Joined: Mon Jul 22, 2019 6:11 am

4/3 Camera Adapter for BX40

#1 Post by micro » Mon May 11, 2020 12:29 am

I just got a BX40 so now I need an adapter for my Panasonic micro 4/3 camera. I guess the standard option is the OLYMPUS OM-MOUNT PHOTOMICRO ADAPTER L.
But can I get an attachment for it to fit a 4/3 camera without decreasing image quality? Or should I get something without any optics that just puts the camera over the trinocular port?

I came across this post on a different forum:
"For Micro 4/3 on a BX scope it is best to use an adapter with C mount without any optics (i.e. direct projection from tube lens to sensor) + a C to Micro 4/3 adapter. Much shorter and much cheaper than photo tube + photo eyepiece + L adapter + OM to Micro 4/3 adapter.

The U-SPT tube is necessary on BX scopes and mounts between trinocular head and L adapter (or another photo adapter. e.g. with C mount). The U-SPT and the BH photo tubes fit Olympus photo eyepieces with a non-standard barrel diameter (you cannot put here an ordinary eyepiece).

Both old (finite) and new (infinity corrected) Olympus photo eyepieces fit (mechanically) both finite and infinity microscope photo tubes. All these photo eyepieces look similar except for the markings, however the finite/infinity series might be optically different. Olympus NF and NFK series photo eyepieces are used on finite scopes like the BH series. PE series photo eyepieces are used in infinity corrected scopes like the BX series.
"

Should I get a U-SPT to go with a camera adapter? And a C mount?
https://www.ebay.com/itm/Olympus-U-SPT- ... 3604495354

Maybe one of these options?

https://www.ebay.com/itm/Olympus-Micro- ... Sw241YUh1Q

https://www.ebay.com/itm/Olympus-OM-mou ... SwMTFeEk6c

Scarodactyl
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Joined: Sat Mar 03, 2018 9:09 pm

Re: 4/3 Camera Adapter for BX40

#2 Post by Scarodactyl » Mon May 11, 2020 12:51 am

I have one of these no-optics c mount adapters that came with some stuff I wanted. I would be happy to pass it on at my cost.
Modern olympus infinity objectives don't need any corrections so this should not introduce any abberations.

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micro
Posts: 203
Joined: Mon Jul 22, 2019 6:11 am

Re: 4/3 Camera Adapter for BX40

#3 Post by micro » Mon May 11, 2020 1:00 am

Well I'm actually using infinity motic objectives and some other non olympus objectives with the bx40 but I plan on upgrading to actual olympus objectives eventually so whether or not the motic ones won't work right doesn't really matter. I'll pm you.

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