what slow focus?

[hdmesa]

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"quality is insane" sounds about right. Regarding AF speed, it's not just the heavy glass elements to move but also the algorithm is tuned to optimise accuracy. I think Leica should provide a speed-optimised AF mode for users when they want that. For example the accuracy-optimised is assigned to the AF/AE lock button while the speed-optimised is assigned to half press of the shutter release.

 

 

This is a great idea. Or like Fujifilm did with the GFX, you can toggle between speed-based and "normal/more accurate" autofocus. I'm not sure if Fujifilm does that with their entire lineup, but its a great feature. Alternatively, I would think Leica could simply have the autofocus like it is (more accurate) for single shot, but optimize continuous mode for speed.

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[hdmesa]

Ive had the SL for some months but only bought the 24-90 about ten days ago. The internet is covered in complaints about slow autofocus on the pair. I don't get it. Mine is as fast as anything - I use a d810 too. The Leica in use is similar or maybe even quicker.

 

 

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I've seen complaints about the 50, but not the 24-90 autofocus speed. A lot of pre-production and first-version firmware reviews are still out there – always check the dates on reviews and adjust your mindset accordingly  My 24-90 is remarkably close in speed to my Q, which is quite a feat considering the size of the glass elements being moved around. Also don't forget you can't really compare the 24-90 with a 24-70 from another brand. Leica really hit it out of the park putting 24-70 2.8 quality into a 24-105 type of zoom. I can't tell you how many times on Canon I picked up my 24-105 over the 24-70 simply because it got me those shots from 80-100 range. Getting the 24-90 range was a big selling point for me to adopt the SL system.

[mr_aznar]

I've seen complaints about the 50, but not the 24-90 autofocus speed. A lot of pre-production and first-version firmware reviews are still out there – always check the dates on reviews and adjust your mindset accordingly  My 24-90 is remarkably close in speed to my Q, which is quite a feat considering the size of the glass elements being moved around. Also don't forget you can't really compare the 24-90 with a 24-70 from another brand. Leica really hit it out of the park putting 24-70 2.8 quality into a 24-105 type of zoom. I can't tell you how many times on Canon I picked up my 24-105 over the 24-70 simply because it got me those shots from 80-100 range. Getting the 24-90 range was a big selling point for me to adopt the SL system.

makes me question about my 50mm purchase. never use zoom lens, but from reviews and 1 day trial, i actually find 24-90 insanely amazing and you're right, fast af. hopefully there's a firmware on the 50mm.

[steppenw0lf]

Why are you interested in reading about complaints? You should rather try to use your equipment in the best way.

 

The SL 50 is what it is - very precise. The 90-280 is the fastest, and the 24-90 is also very fast.

The new primes promise Dual Syncro Drive and high AF speed. The 50mm simply does not sport that feature. So what ?

Use each lens for what it is best. The choice is limited so it's not too difficult to keep track.

 

I do that also with other brands - so what ? Any brand that has exclusively only the VERY VERY fastest (AF) lenses ?

Not that I am aware of ...

[oldwino]

Leica would do themselves well to put out a series of Summicron lenses for the SL. Smaller, lighter, faster AF.