Peter Karbe Speech on Friday - Questions?

[lik]

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vor 1 Stunde schrieb nicci78:

Thanks for your transcript. 
I guess that APO-Extender-1.5x name is the CL or the SL2 in crop mode ! 
 

That’s exactly the message of PK. Hi said this would be the better extender. 

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[johnbuckley]

On 12/15/2019 at 11:29 AM, lik said:

He also wanted to clarify his view on the sharpness / blur reaction of these SL Crons. The sharp loss of the new SL summicron is about the optical impression of the difference of sharpness and blur. But if you look at how thick the spots are in the background shooting wide open, then a Summilux is still a difference. After so many comparisons here and elsewhere, it's good to have heard it out of his mouth. And I continue to use my M-Summilux lenses. It’s the hour of the wide open shooter: Peter Karbe wants a monitor that shows a message when stopping down: “Are you really sure?” All lens performance ambitions are wide open. "Whoever photographs with 8 should take a smaller sensor. APSC is also the better sensor if you need DOF images. And more: “Instead of stopping down, a ND filter can do in full format”. Laughter.

 

This is the most wonderful paragraph in the history of the Leica User Forum.  Bless you for going to the event and bringing us this.

[lik]

vor 15 Minuten schrieb johnbuckley:

This is the most wonderful paragraph in the history of the Leica User Forum.  Bless you for going to the event and bringing us this.

Haha! Great! I really liked this part of his speech also very much! 😊

[johnbuckley]

On a serious note, as a longtime M shooter, I've reflexively stopped down if I worried I needed some latitude for mis-focus. But with the SLs, the autofocus is extremely accurate, in my experience, so why the hell not? Shoot wide open!

Thanks for your great report.

 

[Chaemono]

Am 15.12.2019 um 17:29 schrieb lik:

[...]

Alan Greenspan of optics.

[...]

Nobody asks directly for future plans. And so the event becomes valuable, even if the answers are like the ones that once Alan Greenspan gave as market outlook.

[...]

The question of cooperation with the L-mount – he makes clear that this is not cooperation, but the opening up of Leica’s own mount and thus opening the market, in order to enable other good companies making good L-lenses.

On the L-mount alliance, let’s hope Leica won’t have any Greenspan regrets.

[jaapv]

On 12/16/2019 at 8:34 PM, johnbuckley said:

This is the most wonderful paragraph in the history of the Leica User Forum.  Bless you for going to the event and bringing us this.

Shouldn't the aperture be determined by the way you want your image to turn out? I find this technological approach rather un-photographic.

[Chaemono]

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vor 30 Minuten schrieb jaapv:

Shouldn't the aperture be determined by the way you want your image to turn out? I find this technological approach rather un-photographic.

According to PK, no.  The sensor size should be chosen according to the way one wants the picture to turn out. 

[johnbuckley]

2 hours ago, jaapv said:

Shouldn't the aperture be determined by the way you want your image to turn out? I find this technological approach rather un-photographic.

I was referring to the paragraph less for its technical advice and more for the whimsy of a senior Leica executive suggesting to us all to only shoot wide open. 

On a serious note, I completely agree with you.

From the standpoint of finding humor where it is sometimes in short supply -- um, the LUF, and advice from Leica's senior-most lens designer -- I thought the statement was wonderful. 

 

 

[jaapv]

2 hours ago, Chaemono said:

According to PK, no.  The sensor size should be chosen according to the way one wants the picture to turn out. 

I'll eagerly await the Leica with in-the-field interchangeable sensors - 1" to medium format. Ricoh pioneered the system... 🙄

[Chaemono]

vor 5 Stunden schrieb jaapv:

I'll eagerly await the Leica with in-the-field interchangeable sensors - 1" to medium format. Ricoh pioneered the system... 🙄

That’ll be the day when Fro, who knows photo, ditches those ‘I SHOOT RAW’ T-shirts in favor of those ‘STOP DOWN FOR WHAT?’ T-shirts. 😁

[evikne]

46 minutes ago, Chaemono said:

That’ll be the day when Fro, who knows photo, ditches those ‘I SHOOT RAW’ T-shirts in favor of those ‘STOP DOWN FOR WHAT?’ T-shirts. 😁

I want a such t-shirt. Seriously! 😄

[rim_light]

1 hour ago, evikne said:

I want a such t-shirt. Seriously! 😄

There are some leftovers here

[LocalHero1953]

8 hours ago, jaapv said:

I'll eagerly await the Leica with in-the-field interchangeable sensors - 1" to medium format. Ricoh pioneered the system... 🙄

All it takes is a change of viewpoint. The camera is that bit with all the optics and electronics (AF, aperture control etc). The sensor is that interchangeable bit we clip on behind.

[nicci78]

Such camera kinda already exists. It is the Q2. The first fixed focal zoom with variable sensor size :

• 24x36 1x = 28mm f/1.7
• > APS-H 1.25x = 35mm f/2.1
• > m4/3 1.79x = 50mm f/3.0
• 1 inch 2.68x = 75mm f/4.6 

Keep it wide open. After 6 months with the Q2, I found that I quite like the results. 28, 35 and 50mm are all highly usable. Even 75mm is still good, but too hard to frame. Same as trying to use a 75mm M lens with a 0,72x viewfinder. 

Somehow Q2 is a 0.72x EVF camera. And remember how hard it is to use 75mm with such magnification. Q2 should be able to switch to 0.85x in 50mm and 75mm crop mode. 

Welcome, dear visitor! As registered member you'd see an image here…

Simply register for free here – We are always happy to welcome new members!

Edited December 20, 2019 by nicci78

[frame-it]

On 12/19/2019 at 8:51 AM, jaapv said:

I'll eagerly await the Leica with in-the-field interchangeable sensors

not in-the-field, but changeable sensors like the M2-M7 + MP/M-A?

Edited December 20, 2019 by frame-it

[jaapv]

2 hours ago, nicci78 said:

Such camera kinda already exists. It is the Q2. The first fixed focal zoom with variable sensor size :

• 24x36 1x = 28mm f/1.7
• > APS-H 1.25x = 35mm f/2.1
• > m4/3 1.79x = 50mm f/3.0
• 1 inch 2.68x = 75mm f/4.6 

Keep it wide open. After 6 months with the Q2, I found that I quite like the results. 28, 35 and 50mm are all highly usable. Even 75mm is still good, but too hard to frame. Same as trying to use a 75mm M lens with a 0,72x viewfinder. 

Somehow Q2 is a 0.72x EVF camera. And remember how hard it is to use 75mm with such magnification. Q2 should be able to switch to 0.85x in 50mm and 75mm crop mode. 

Welcome, dear visitor! As registered member you'd see an image here…

Simply register for free here – We are always happy to welcome new members!

Doesn't change the pixel pitch, my friend

[nicci78]

Of course not. But PK seems more than ok with heavy cropping : no need for APO-Extender, just crop ! 
By the way, looking at SL 24-90 and 90-280. It will be impossible to use Panasonic TC 1.4x or 2x due to lack of clearance. 
 

[dem331]

8 minutes ago, nicci78 said:

Of course not. But PK seems more than ok with heavy cropping : no need for APO-Extender, just crop ! 
By the way, looking at SL 24-90 and 90-280. It will be impossible to use Panasonic TC 1.4x or 2x due to lack of clearance. 
 

I think what he is saying is that using a 1.4x extender, however good it is, will lose you more quality than a crop.  But I guess that a 400mm SL lens would be better than a crop of the 280mm! 

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[lik]

vor 2 Stunden schrieb dem331:

I think what he is saying is that using a 1.4x extender, however good it is, will lose you more quality than a crop.

That's exactly what he was saying. And the argument that any extender magnifies optical weaknesses sounded very reasonable to me. 

[lik]

vor 2 Stunden schrieb dem331:

But I guess that a 400mm SL lens would be better than a crop of the 280mm! 

And I agree here. I guess, the question wether produce a 400 or not is part of a market strategy. I just think it 's a business risk to produce a long telephoto lens with the expected performance for a reasonable price and sell the required number of examples. Just my guess. 

I have two of the famous R-telephoto lenses - Apo Elmarit 180 and Apo Telyt 280 – which are still in demand. But as far as I know, they brought honour for the lens design and losses for the company.