SEL600F40GM Lens System Software (Firmware) Update Ver. 02

Pius Sullivan
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p.1 #1 · SEL600F40GM Lens System Software (Firmware) Update Ver. 02

Anyone update Their 600 / 400 GM yet?

Mar 12, 2026 at 08:48 AM

mogul
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p.1 #2 · SEL600F40GM Lens System Software (Firmware) Update Ver. 02

yes, no problem, 600 & 400, works fine on A1 & A9III

Mar 12, 2026 at 09:06 AM

ifxbonz
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p.1 #3 · SEL600F40GM 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 01:31 PM

mogul
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p.1 #4 · SEL600F40GM 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 01:39 PM


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