Red Dot Forum Camera Talk: The Bokeh Episode

In this episode of Red Dot Forum Camera Talk, Leica experts Josh Lehrer and David Farkas are diving deep into bokeh. Often an enigmatic subject, bokeh is the rendering of out-of-focus objects in a photo and is influenced by a wide variety of factors. They'll discuss what makes 'good' bokeh and how lens choice, aperture and focus distance all contribute to a pleasing background. And of course, Josh and David have brought plenty of lenses of various focal lengths, maximum apertures and vintages to demonstrate live in the studio.
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TIMESTAMPS
06:30 Bokeh explanation
07:54 metrics of bokeh
12:22 50 Summicron SL vs 50 Summicron Non APO focus distance
13:17 35 & 50 Summilux close focusing (with live view)
16:01 Focal Length variable
17:38 Origin of “bokeh” term
18:58 24-70 2.8 SL Lens
21:34 28 f2.8
23:42 35 f2.8
24:50 50 f2.8
27:17 70 f2.8
30:19 50 Summilux 1.4 - SL-ASPH intro
31:29 50 Lux SL-ASPH example
35:30 50 Summliux vs 50 SL zoom bokeh balls
38:00 50 Summilux closer focus distance
42:47 Smudgy bokeh balls, spots on rear element
43:06 50mm Summicron non-APO SL
46:53 50mm comparisons
49:10 50mm f1 Noctilux v2
52:29 example
55:24 50 Summicron Rigid
59:39 50 Summilux pre-ASPH v2
1:02:57 stopped down to f2
1:05:37 50 Summilux ASPH v2
1:06:53 50 Lux ASPH v2 @ 1 meter
1:10:30 @ f1.4 vs f2
1:12:00 differences in 50mm examples
1:14:30 50 Summilux ASPH v2 close focus
1:16:20 vintage vs modern bokeh
1:19:30 50mm APO Summicron M
1:25:00 50 Noctilux .95
1:28:33 35mm lenses
1:29:20 35mm Summicron Bokeh King
1:30:39 35mmSummicron v4 Bokeh King example
1:32:00 50 vs 35, focal length, aperture
1:33:30 35 Summicron v6 (current)
1:35:10 New vs old
1:38:55 35 Summilux FLE v2 (close focus)
1:43:45 Stopped down
1:45:00 Close focus distance
1:46:55 35 Steel Rim Reissue
1:51:43 Announcements
1:55:47 75 Noctilux m
2:00:21 75 APO M
2:04:43 70mm 2.5 S Lens
2:10:32 75 APO Summicron SL

[@soarfm]

Don’t know if this was addressed by other viewers but the “onion ring” look in 50mm Summilux-M Asph out of focus lights, the “bokeh balls”, is not due to a dirty rear element, it is due to the aspheric lens surface. Cleaning of the rear element won’t make it go away-ever.

[@philipbe79]

Thank U for this information

[@kqschwarz]

Absolutely fantastic presentation. I watched the whole thing. The only thing I would request is to add more SL primes into the mix. All the best.

[@rexgigout1472]

Thanks for this presentation. It can serve as a helpful reference, when people ask why I would own Summilux and Summicron lenses in the same focal length, as I do in 50mm, or modern and vintage lenses in the same focal length, as I do at 35mm. I am also thankful that some of the lenses that I own were shown in the comparisons, along with lenses I have considered adding, eventually.

[@jmavicente72]

Hello, just watch today! (16.Sep.23) Very good. Thanks. And Welcome to Portugal 😀

[@philipbe79]

I missed the Noctilux-M 1.2/50mm and the Summilux-R 1.4/80mm in this fantastic stream, greetings from Germany

[@jeffreytotaro7051]

Thanks Guys! Excellent episode!

[@riski21]

Appreciate this episode! I love my 28 Lux bokeh and performance! But I hope the 28 Lux was also showcased for comparison. I can see one in the middle part.. ;)

[@jonkeckonen4429]

We don’t often photograph close-ups of teddy bears and neon lights in the background. We might more often take photos of flowers close-up. It would be helpful mentioning practical situations like taking close-ups of flowers.

[@tofulosophy]

First! 😁 caught the tail end of the livestream and look forward to watching it from the beginning.

[@GetOffMyyLawn]

I always thought bokeh was a Japanese pronunciation of "bouquet"... as in "the wine has a wonderful bouquet". The intangible atmosphere of the photograph.

[@pauldelbravo9813]

How come the palm tree and flamingo have softer edges than the Christmas lights, even though they are nearer?
40:35

[@tamilhoward9708]

Love my Summilux-SL 50mm f1.4.

[@jonkeckonen4429]

IMHO, you should have started with some representative shots in your explanation.