SL3 stabilisation

[Photoworks]

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SL3 snd 35 apo, 1/4s and 1/2s sharp. 

1sec has movent.

1 sec with 24-90 sharp

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[SrMi]

11 hours ago, Photoworks said:

SL3 snd 35 apo, 1/4s and 1/2s sharp. 

1sec has movent.

1 sec with 24-90 sharp

1 sec sharp at 24mm or 90mm? The longer the focal length, the longer the minimum shutter speed.

Are you testing 10 out of 10 shots sharp?

[jaapv]

Don’t forget that even if  IS compensates camera motion blur, subject motion blur will remain the same. 

[dimpfelmoser]

vor 20 Minuten schrieb jaapv:

Don’t forget that even if  IS compensates camera motion blur, subject motion blur will remain the same. 

That is some pro insight 😉 

[Jeff S]

On 9/15/2024 at 8:01 AM, FlashGordonPhotography said:

I've never seen any mention that Leica does this. Do you have a source.

Panasonic does dual IS. Not sure Leica does.

Gordon

Nick Rains from Leica Australia says that the SL3 uses IBIS up to 90mm and OIS (if available of course) takes over beyond that, with some dual overlap.  See at about 2:35 in the following video….

 

Jeff

[FlashGordonPhotography]

4 hours ago, Jeff S said:

Nick Rains from Leica Australia says that the SL3 uses IBIS up to 90mm and OIS (if available of course) takes over beyond that, with some dual overlap.  See at about 2:35 in the following video….

 

Jeff

So basically, no dual IS. Just a few mm where it switches over. Not what Panasonic does, which is what I thought. Thanks for the link.

I'm spending a few days with Nick next week. I'll ask him directly.

Gordon

[LocalHero1953]

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The subject was worked over here with the SL2 some years ago (I'm surprised Jeff hasn't posted the link before😏). No definite conclusion about when and whether OIS and IBIS work together, but David Farkas said they did, and there is an inference that the behaviours is different for Leica and Panasonic bodies with their own native lenses vs mix and match (so Nick Rains comments may only apply to the Panasonic-sourced 70-200).

The position is still that we don't actually know from authoritative sources or direct tests whether and when OIS and IBIS work together.

[FlashGordonPhotography]

2 hours ago, LocalHero1953 said:

The subject was worked over here with the SL2 some years ago (I'm surprised Jeff hasn't posted the link before😏). No definite conclusion about when and whether OIS and IBIS work together, but David Farkas said they did, and there is an inference that the behaviours is different for Leica and Panasonic bodies with their own native lenses vs mix and match (so Nick Rains comments may only apply to the Panasonic-sourced 70-200).

The position is still that we don't actually know from authoritative sources or direct tests whether and when OIS and IBIS work together.

The 70-200 is a Sigma derivative....

Red Dot makes up sh** all the time. I don't consider them a definitive source. I'll ask Nick next week over a beer. That's a definitive source as far as I'm concerned. I have seen no Leica official information mentioning dual IS. I don't think this is something they'd not mention if they had it.

Gordon

[LocalHero1953]

FWIW, observations with the SL2-S...........

• Mounted a M lens, stabilisation on: with my ear to the body, I can clearly hear something kicking in with a half press of the shutter. I assume it's IBIS.
• Mounted the 90-280SL, stabilisation on, manual focus: with my ear to the body, I cannot hear the same IBIS sound. With my ear to the lens, I can hear a sound I assume is  OIS - it doesn't change much with a half press of the shutter. If I switch off stabilisation, the sound continues: does this mean the OIS motor keeps running even if it is not 'stabilising'?
• Mounted the 24-90SL, stabilisation on, manual focus: I can hear the same 'IBIS' sound from the body when half pressing the shutter (as with the M lens), and a continuous sound from the lens, as with the 90-280SL. No difference at 24 or 90.
• Mounted the 35 APO SL: same behaviour as with the the M lens
• Mounted the Sigma 85 DG DN: same behaviour as with the M lens.

The best conclusion I can draw from this is that IBIS does not appear to work with the 90-280, but does with the 24-90. I can't tell if OIS is actually stabilising as well in the 24-90, but its motor is certainly running.

 

[BernardC]

53 minutes ago, LocalHero1953 said:

The best conclusion I can draw from this is that IBIS does not appear to work with the 90-280, but does with the 24-90.

Which makes sense because IBIS is less effective at higher magnifications (longer focal lengths). The amount of sensor movement in IBIS is limited, but the amount of compensation required is 10x more at 280mm compared to 28mm. OIS, on the other hand, can compensate movement up-to the lens's circle of coverage.

It would be interesting to know if IBIS is still used to compensate for the "fifth axis": rotation. You can't compensate for that optically.

[Jeff S]

5 hours ago, LocalHero1953 said:

The subject was worked over here with the SL2 some years ago (I'm surprised Jeff hasn't posted the link before😏).

That would have difficult to post a recently recorded video almost 5 years ago.  But I did post the David Farkas link in that old post. 😏

Jeff