Sigma 18-300mm F3.5-6.3 DC MACRO OS HSM | Contemporary (Canon EF mount)
firmware v1.01
Sigma · Released May 17, 2017 · First seen Jul 5, 2026
v1.01 is not the latest firmware for the Sigma 18-300mm F3.5-6.3 DC MACRO OS HSM / Contemporary (Canon EF mount): the current version is v2.02 (April 23, 2020). Go to v2.02
In short — summary by updatemystuff.com
Autofocus and movie performance improved, diaphragm noise reduced.
- Improved autofocus for MC-11 converter and movie/Live View shooting
- Reduced diaphragm noise during video recording
- Compatible with Canon EOS C300 Mark II
Written from Sigma's release notes, which are printed in full below.
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What's in this update
It has improved the AF performance when it is used with the SIGMA MOUNT CONVERTER MC-11 EF-E.
- For this update, it requires the firmware of the SIGMA USB DOCK for Canon mount to be ver. 1.02 or later.
- For this update, it requires the firmware of the SIGMA MOUNT CONVERTER MC-11 EF-E to be ver.1.05. It has reduced the operating sound of the lens diaphragm blades when attached with the SIGMA MOUNT CONVERTER MC-11 EF-E and used for shooting movies. It has improved the AF accuracy when the lens is used for shooting movies as well as Live View on EOS DIGITAL SLR cameras.*1 It has reduced the operating sound of the lens diaphragm blades when used for shooting movies on EOS DIGITAL SLR cameras.*1 It is fully functional with the Canon Digital Cinema Camera EOS C300 Mark II. ※1 The degree of improvement differs depending on the camera used.
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