William Optics 48mm Wide T-Ring for Canon EOS-R Mirrorless Cameras # TM-CN-EOSR-M48

William Optics 48mm Wide T-Ring for Canon EOS-R Mirrorless Cameras # TM-CN-EOSR-M48
T-Ring to convert your Canon camera EOS-R mount to a standard 48mm thread for attachment to various astronomy accessories Fits all Canon mirrorless cameras with EOS-R mounts Not for use with Canon EOS SLR/DSLR cameras with EF/EF-S lens mounts or EF-M mont mirrorless cameras M48 female thread has a diameter of 48mm and a thread pitch of 0.75mm Compatible with wide format 48mm T-threaded accessories only NOT for use with the smaller, more common standard 42mm T-threaded adapters and accessories which have an M42x0.75 thread (42mm diameter x 0.75mm pitch) Optical path length: 35mm Perfect for use with M48-threaded corrective telescope optics (correctors and flatteners) that have a back focus requirement of 55mm. The Canon EOS-R camera's FFD (flange focal distance) of 20mm plus this T-ring's optical path length of 35mm will get you to 55mm without the need to any additional adapters. High-precision CNC-machined aluminum and black anodized Weighs 130g / 4.6oz

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William Optics 48mm Wide T-Ring for Canon EOS-R Mirrorless Cameras # TM-CN- EOSR-M48

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