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SEL600F40GM Lens System Software (Firmware) Update Ver. 02

  
 
Pius Sullivan
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p.1 #1SEL600F40GM Lens System Software (Firmware) Update Ver. 02
Anyone update Their 600 / 400 GM yet?
Mar 12, 2026 at 07:48 AM
mogul
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p.1 #2SEL600F40GM Lens System Software (Firmware) Update Ver. 02
yes, no problem, 600 & 400, works fine on A1 & A9III
Mar 12, 2026 at 08:06 AM
ifxbonz
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p.1 #3SEL600F40GM Lens System Software (Firmware) Update Ver. 02
The update for my 600mmm f4 went fine I hope someone can confirm that there is a noticeable IS benefit?

Mar 12, 2026 at 12:31 PM
mogul
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p.1 #4SEL600F40GM Lens System Software (Firmware) Update Ver. 02
ifxbonz wrote:
The update for my 600mmm f4 went fine I hope someone can confirm that there is a noticeable IS benefit?



Unless you have a duplicate $12,000 lens, it will be hard to decipher any difference.
Mar 12, 2026 at 12:39 PM


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