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Sony 100-400 f/4.5

  
 
robert614
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p.10 #1 · Sony 100-400 f/4.5


Just curious how tight is the “tight” setting. Can you still zoom with your fingertips? Is it like the OG 100-400GM tight setting?


Jun 24, 2026 at 02:09 PM
ps09
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p.10 #2 · Sony 100-400 f/4.5


Thanks for the info. The creeping would be annoying to me. If it has to creep, I think it would be much better if the creep went to 400. Seems like an engineering flaw to me? None of the other internal zooms creep.


Jun 24, 2026 at 02:20 PM
gdanmitchell
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p.10 #3 · Sony 100-400 f/4.5


I wonder if this is going to turn out to be a flaw with the initial batch that gets addressed going forward?

scott f wrote:
Yes,, it creeps to 100 pretty quickly, but taking the zoom control off smooth solves it.




Jun 24, 2026 at 02:52 PM
arbitrage
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p.10 #4 · Sony 100-400 f/4.5


robert614 wrote:
Just curious how tight is the “tight” setting. Can you still zoom with your fingertips? Is it like the OG 100-400GM tight setting?


You can still use it on the tight setting. Might take a little more than just fingertips but it isn't like the 100-400 4.5/5.6 on tight.



Jun 24, 2026 at 06:35 PM
arbitrage
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p.10 #5 · Sony 100-400 f/4.5


gdanmitchell wrote:
I wonder if this is going to turn out to be a flaw with the initial batch that gets addressed going forward?



I've seen another report of a lens that doesn't creep but it was from preorder, day 1 release. So there is some tolerance going on with the zoom "tightness".

Will be interesting to see if the ones that don't creep start to creep after more use.




Jun 24, 2026 at 06:36 PM
arbitrage
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p.10 #6 · Sony 100-400 f/4.5


ps09 wrote:
Thanks for the info. The creeping would be annoying to me. If it has to creep, I think it would be much better if the creep went to 400. Seems like an engineering flaw to me? None of the other internal zooms creep.


None of the Sony internal zooms have elements as big as these.

I'm okay with the creep if it keeps the zoom as smooth as it is on my copy. I don't want mine to not creep and then have a stiffer zoom.

I developed a habit when shooting the 200-600 of always having my hand on the zoom ring and having that clockwise force on it to make sure I was always maximizing my focal length. I do the same with this new 100-400 and therefore am always at 400mm. Also the lens is still quite useable on the tight setting so there is always that option. Although if I'm using the zoom during a BIF sequence then I prefer the loose setting. But any other use it is fine on tight.



Jun 24, 2026 at 06:40 PM
 


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robert614
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p.10 #7 · Sony 100-400 f/4.5


arbitrage wrote:
You can still use it on the tight setting. Might take a little more than just fingertips but it isn't like the 100-400 4.5/5.6 on tight.


Thanks Geoff!



Jun 24, 2026 at 08:15 PM
ketang
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p.10 #8 · Sony 100-400 f/4.5


Alex Phan wrote:
Skin is available this weekend
Foot replacement already done. USA warehouse expecting shipment soon.


Alex, have you heard any updates on the foot replacement? Day 1 purchase for me.



Jun 29, 2026 at 08:24 AM
James Burden
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p.10 #9 · Sony 100-400 f/4.5


ketang wrote:
Alex, have you heard any updates on the foot replacement? Day 1 purchase for me.


and the base/l-plate for the A7R6 😎




Jun 29, 2026 at 09:38 AM
Alex Phan
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p.10 #10 · Sony 100-400 f/4.5


Let me check with Leofotousa team and get back to you.

Skin is ready for both from alphagvrd. Fyi



Jun 29, 2026 at 10:17 AM
DWOfPaul
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p.10 #11 · Sony 100-400 f/4.5


@Alex Phan, have you gotten a chance to try the 100-400mm on a Nikon Z?


Jun 29, 2026 at 10:53 AM
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