Behind the curtains

Slides of the talk I gave together with Daniele Bonaldo (@danybony_) at Droidcon London 2021

Transcript

1. B E H I N D T H E C U R TA I N S A TA L K A B O U T P H O T O S Photo by Keenan Barber on Unsplash
2. Daniele Bonaldo @danybony_ Roberto Orgiu @_tiwiz
3. M E G A P I X E L S D O T H E Y M AT T E R ? 6000 4000
4. M E G A P I X E L S D O T H E Y M AT T E R ? 6000 4000 24 MP
5. P H O T O S I T E S
6. >8.4μm 0.8μm ~ 2.44μm
7. W H AT A B O U T S M A R T P H O N E S ? 0.8μm 0.8μm
8. W H AT A B O U T S M A R T P H O N E S ? 2.4μm 2.4μm
9. W H AT A B O U T S M A R T P H O N E S ? 2.4μm 2.4μm SUPER PIXEL !!1! aka Pixel Binning
10. S A M S U N G S 2 0 U LT R A E X A M P L E 2.4μm 2.4μm 108 MP grouped by 9 12MP
11. S A M S U N G S 2 0 U LT R A E X A M P L E 2.4μm 2.4μm 108 MP grouped by 9 12MP Pixel Shifting
12. S A M S U N G S 2 0 U LT R A E X A M P L E 2.4μm 2.4μm 108 MP grouped by 9 12MP Pixel Shifting
13. S O N Y A L P H A 7 R I V A N O T H E R E X A M P L E S O N Y A L P H A 7 S I I I Full Frame Cameras 61 MP 12.1 MP 3.73 μm 8.32 μm M O R E D E TA I L S L E S S N O I S E
14. W H Y T H E Y A R E I M P O R TA N T S E N S O R A N D S I Z E
15. W H Y T H E Y A R E I M P O R TA N T S E N S O R A N D S I Z E B I G G E R S E N S O R = M O R E L I G H T M O R E L I G H T = B E T T E R P H O T O S
16. 3 5 M M I S T H E S TA N D A R D C R O P FA C T O R 36mm 24mm 1.5x
17. T H E R E A L O N E I S O N LY O N F F F O C A L L E N G T H
18. T H E R E A L O N E I S O N LY O N F F F O C A L L E N G T H F O C A L L E N G T H X C R O P FA C T O R A P E R T U R E X C R O P FA C T O R
19. S A M S U N G G A L A X Y S 2 0 F E E X A M P L E Sensor size: 7.25mm x 5.44m Aperture: F1.8 Crop factor: 4,78 Focal Length: 5.4mm Real aperture: F8 Real focal length: 26mm
20. O N C A M E R A S C O N T R O L L I N G A P E R T U R E
21. C O N T R O L S C A M E R A APERTURE
22. W H AT A B O U T P H O N E S ? S A M S U N G G A L A X Y S 2 0 F E 12MP F1.8 26mm 8MP F2.4 76mm 12MP F2.2 13mm Why no shallow DoF?
23. A R E A L W O R L D E X A M P L E D E P T H O F F I E L D
24. S O N Y A L P H A 7 I I I
25. S O N Y A L P H A 6 6 0 0
26. S A M S U N G G A L A X Y S 2 0 F E
27. F U L L F R A M E A P S - C S M A R T P H O N E
28. – C H A S E J A R V I S “The best camera is the one that's with you”
30. AVA I L A B L E R E M O T E A P P S H O W T O C O N T R O L Y O U R C A M E R A
31. C O N T R O L L I N G T H E C A M E R A T H R O U G H A N A P P • Remote controller • Long exposures • Shot sequence • Shot programming • Pleasant UI
32. C O N T R O L L I N G T H E C A M E R A T H R O U G H A N A P P • Remote controller • Long exposures • Shot sequence • Shot programming • Pleasant UI
33. S O N Y ’ S I M A G I N G E D G E M O B I L E
34. S H U T T E R H T T P S : / / S H U T T E R . D E V
35. M O N I T O R + H T T P S : / / M O N I T O R P L U S . C C
36. S O W E D E C I D E D T O M A K E O U R O W N !
37. A P P - C A M E R A C O N N E C T I O N
38. SSID: …. Password: ….
39. R E S T A P I
40. B U T… API is not great I N S E RT S A D T R O M B O N E S O U N D H E R E
41. C A M E R A S TAT U S
44. { “result": [ { “type":"cameraStatus", “cameraStatus":"IDLE" }, … ] } { "method": “g
45. { “result": [ { “type":"exposureCompensation", “currentExposureCompensation”:”1.0", “maxExposureCompensation”:”3.0”, “minExposureCompensation”:”-3.0“, … }, … ] } { "method": “g
46. S E T T I N G S H O T VA L U E S
47. • setShutterSpeed (1”, 1/2, 1/10, 1/60, 1/250, …) • setIsoSpeedRate (100, 200, 400, 800, …) • setFNumber (1.8, 2.8, 4.0, 8.0, …) • setExposureCompensation • setWhiteBalance ("Color Temperature", true, 2500) • …
48. L I V E V I E W D I S P L AY
50. { “result": [ “http://ip:port/liveview/liveviewstream" ] } { "method": “s
51. U P L O A D S H O T D ATA actHalfPressShutter actTakePicture awaitTakePicture pictureUrl
52. W H AT ’ S N E X T…
53. • New app features!!1! • Programmable sequence of shots • Intervalometer • Image transfer • Wearable support • Open-source SDK ASK US ABOUT IT!1!!1
54. Q U E S T I O N S ?