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coot; SIgma 500 + TC1,4

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great egret, Sigma 500 + TC1,4

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Carnival in Stuttgart, Germany

SL3-s, SIGMA 70-200/2.8 DG DN

 

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Carnival in Stuttgart, Germany

SL3-s, SIGMA 70-200/2.8 DG DN

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Apo Summicron M 90 Asph 

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Bolivia, Sigma 14 mm, 1.4

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Bolivia, 90-280, ISO 12800

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On 2/3/2025 at 5:11 AM, helged said:

Atlas (& company!) enjoying the snow... SL3-S with Sigma 70-200, mostly at 7 and 15 fps.

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Thank you for action AF shots. While I am very happy with my SL3 in terms of static subjects, I am underwhelmed by its continuous auto focus and tracking performance and accuracy. I’m really curious and interested to hear whether there is a noticeable difference in this area between the SL3 and the SL3S. Any chance you also own an SL3 and can comment or contrast between the two?
 

For this series of action shots with your dog, what would you consider to be the auto focus accuracy hit rate? Are you happy with the usable results that you got? And what settings did you find worked best for this scenario?

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36 minutes ago, geronimosan said:

Thank you for action AF shots. While I am very happy with my SL3 in terms of static subjects, I am underwhelmed by its continuous auto focus and tracking performance and accuracy. I’m really curious and interested to hear whether there is a noticeable difference in this area between the SL3 and the SL3S. Any chance you also own an SL3 and can comment or contrast between the two?
 

For this series of action shots with your dog, what would you consider to be the auto focus accuracy hit rate? Are you happy with the usable results that you got? And what settings did you find worked best for this scenario?

Hi; neither camera are particularly good in tracking Atlas. The lens you use is important; the Sigma 70-200 f2.8 (similarly with the Leica variant of this lens) has a fast focus mechanism. The Leica SL Summicron are notably slower. 

Findings with SL3: 

SL3-S focuses somewhat better than SL3, but not significantly so. This came as a surprise to me. Clearly, SL3 don't come close to SL3-S re frames-per-second. But the hit rate was rather low, about 40-ish percent with 10 fps. 

For comparison, Canon R5 with RF 100-500mm and with 10+ fps had close to all images in focus (now sold). 

 

 

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22 hours ago, helged said:

Hi; neither camera are particularly good in tracking Atlas. The lens you use is important; the Sigma 70-200 f2.8 (similarly with the Leica variant of this lens) has a fast focus mechanism. The Leica SL Summicron are notably slower. 

Findings with SL3: 

SL3-S focuses somewhat better than SL3, but not significantly so. This came as a surprise to me. Clearly, SL3 don't come close to SL3-S re frames-per-second. But the hit rate was rather low, about 40-ish percent with 10 fps. 

For comparison, Canon R5 with RF 100-500mm and with 10+ fps had close to all images in focus (now sold). 

 

 

Do you mean you sold the R5, or you are now sold ON the R5?  If the former, why did you sell it with such incredible hit rate?  I have the SL3-S arriving on Monday and will begin testing it out on my golden retriever, but from what I've been reading I'm not getting my hopes up.  I'm hoping I don't have to change camera ecosystems and into the Nikon Z9, et al, simply to have a camera system that can accurately shoot more than static subjects.  We shall see.

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Posted (edited)
53 minutes ago, geronimosan said:

Do you mean you sold the R5, or you are now sold ON the R5?  If the former, why did you sell it with such incredible hit rate?  I have the SL3-S arriving on Monday and will begin testing it out on my golden retriever, but from what I've been reading I'm not getting my hopes up.  I'm hoping I don't have to change camera ecosystems and into the Nikon Z9, et al, simply to have a camera system that can accurately shoot more than static subjects.  We shall see.

R5 is sold, I prefer having/using one system, in my case L-mount. I can live with SL3 w/4 fps, mechanical shutter. As a second body, I am on a list for S1Rii. I guess it will be slightly better re fast focusing and 5-10+ fps (compared to SL3).

Re SL3-S and 'action' shooting at 5+ fps: Let the focus fix on the dog a little (=wait a little) before you start shooting. This improves the hit rate considerably. And close down the aperture a little, say f5.6, so you increase the focus range. The Main problem with SL3/SL3-S is that the focus plane is 10-20 cm behind the eyes. So the tracking 'works' in the meaning following the dog, but the images tend to be consistently out of focus by 10+ cm. I would think this can be (partly) solved by FW updates. But hard to know. 

Edited by helged
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Posted (edited)
1 hour ago, helged said:

R5 is sold, I prefer having/using one system, in my case L-mount. I can live with SL3 w/4 fps, mechanical shutter. As a second body, I am on a list for S1Rii. I guess it will be slightly better re fast focusing and 5-10+ fps (compared to SL3).

Re SL3-S and 'action' shooting at 5+ fps: Let the focus fix on the dog a little (=wait a little) before you start shooting. This improves the hit rate considerably. And close down the aperture a little, say f5.6, so you increase the focus range. The Main problem with SL3/SL3-S is that the focus plane is 10-20 cm behind the eyes. So the tracking 'works' in the meaning following the dog, but the images tend to be consistently out of focus by 10+ cm. I would think this can be (partly) solved by FW updates. But hard to know. 

I noticed that too.  My thinking is that the animal detection mode, unlike human detection mode that recognizes face and eyes, only recognizes the entire animal body, and thus finds a point in the middle of the body to focus.

Thanks for the tips.  Was also looking at the S1Rii, since it seems like Leica is lagging far behind with FW updates for the SL3 series (to update things like animal face/eyes detection).  I do wonder though how that will affect the "Leica look" using the S1Rii with, for example, SL APO primes.

Edited by geronimosan
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SL3-S on VE 100-400 :)

 

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early in the morning, Sigma 500 + TC1,4

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