Sony 200-600: What is the minimal extension tube to prevent focal breathing?

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SimpleUser
SimpleUser Regular Member • Posts: 197
Sony 200-600: What is the minimal extension tube to prevent focal breathing?

Sony 200-600: What is the minimal extension tube to prevent focal breathing?

Presented in one of Tony Northrup's clips was "focal" breathing of the 200-600, where instead of getting the 600mm for instance, when closing the distance to the subject, it might revert to ~ 324mm, because the focal mechanism needs the space to make the focus (or so I understood from the explanation).

Does someone know what is the minimal extension tube that may prevent this from happening?

-Answers of those who tested this issue and solution are welcome.

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NK88
Sony A9 | Sony A7Riv || Sony FE 200-600 g OSS | Sony F2.8 70-200 GM OSS| Sony TCx2 | Sony TCx1.4 || LA-EA5 | Tokina 19-35 |
|Minolta AF f8 500mm mirror|

 SimpleUser's gear list:SimpleUser's gear list
Sony a9 Sony a7R IV Sony FE 70-200mm F2.8 GM OSS Sony 1.4x Teleconverter (2016) Sony 2x Teleconverter (2016) +4 more
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