Canon Japan is availing versions of the EOS R50, EOS R100, and EOS Kiss X10 (same as the EOS Rebel SL3 in North America and EOS 200D Mark II in Australia and Asia) that support tamper-proof SD-WORM/Write Once/PGS WORM cards.
Here is the notice [translated]:
Notice regarding sales of digital single-lens cameras compatible with SD-WORM/Write Once/PGS WORM cards
March 21, 2025
Thank you for your continued patronage of Canon products.
We are pleased to announce the release of mirrorless cameras that are compatible with SD-WORM/Write Once/PGS WORM cards.
(EOS R100 tamper-proof model, EOS R50 tamper-proof model)
Notes
Digital SLR cameras compatible with SD-WORM/Write Once/PGS WORM cards are intended for government agencies and corporate customers who have been commissioned by government agencies.
This product is not available at the Canon Online Shop.
If you wish to purchase or are considering purchasing a digital single-lens camera that supports SD-WORM/Write Once/PGS WORM cards
Please contact our Customer Service Center by phone or email with the following information:
* Contact details for our Customer Service Center are listed under "Contact Us" on the following page.
Digital SLR Cameras/Mirrorless Cameras/Interchangeable Lenses Support Menu
After confirming the information you have provided, our department or the sales company we have commissioned will contact you.
Product Information
For detailed product information, please see the PDF file.
Please also note the following points:
The firmware may differ from that of standard products, so please refrain from updating the firmware yourself.
When using a Write Once memory card, you cannot store more than 510 images in one folder, so do not store more than 510 images in one folder. If you want to shoot more than 510 images, record them in a new folder. Also , the number of folders you can use is 500.
* Depending on the burst mode, multiple images may be recorded per shot.