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FORUMS Canon Cameras, Lenses & Accessories Canon G-series Digital Cameras 
Thread started 12 Oct 2015 (Monday) 12:08
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G16 Aperture

 
dhornick
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Oct 12, 2015 12:08 |  #1

So, I decided to get a Canon G16 and leave my big equipment behind while traveling across Europe in a week. I did purchase it early enough to learn to use it but I am confused by the limited Aperture settings. Those only being between f/1.8 and f/8. I shoot alot of night shots to capture the beautiful lighting and have always done this at f/22 and with an ISO of 100 and at a long exposure on a tripod. And never had a problem and with beautiful results.

I know the old saying of a normal daylight shot of "f/8 and go" but does this hold true for a long exposure night shot too? I must say that the little camera takes some fantastic quality photos.

What other adjustments might I have to make?


Darrell
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Judder ­ Man
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Oct 13, 2015 08:54 |  #2

I think the sensor has a form factor of 4.5 on the G16, so on F8 it should be around F36 compared to full frame.


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Bassat
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Post edited over 2 years ago by Bassat.
     
Oct 13, 2015 10:12 |  #3

Judder Man wrote in post #17743686 (external link)
I think the sensor has a form factor of 4.5 on the G16, so on F8 it should be around F36 compared to full frame.

That is only for depth of field. In terms of light, f/8 is f/8. P&S, crop, FF, MF, LF are all the same with regard to light.

The G15 has a 3-stop built-in ND filter. If the G16 has it, that gets you to f/22.

Yep, G16 has ND filter. See page 73 of the manual.


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dhornick
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Oct 14, 2015 08:15 |  #4

Bassat wrote in post #17743785 (external link)
That is only for depth of field. In terms of light, f/8 is f/8. P&S, crop, FF, MF, LF are all the same with regard to light.

The G15 has a 3-stop built-in ND filter. If the G16 has it, that gets you to f/22.

Yep, G16 has ND filter. See page 73 of the manual.
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Fantastic! Thank you very much.


Darrell
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teekay
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Post edited over 2 years ago by teekay.
     
Oct 14, 2015 10:15 |  #5

dhornick wrote in post #17742503 (external link)
.... I shoot alot of night shots to capture the beautiful lighting and have always done this at f/22 .....

I'm a bit puzzled - why would one want to use f22 for night shots, particularly on a camera with a huge depth of field at f/8? Or an ND filter?




  
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Judder ­ Man
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Post edited over 2 years ago by Judder Man. (5 edits in all)
     
Oct 14, 2015 16:38 |  #6

teekay wrote in post #17745123 (external link)
I'm a bit puzzled - why would one want to use f22 for night shots, particularly on a camera with a huge depth of field at f/8? Or an ND filter?

Was thinking that myself, F8 should be plenty on such a small sensor. This image was taken at F11 on the bigger sensor (G1x) if I wanted light on the sensor over a longer time I would just go down to a low ISO and not the big F number. If I shot the image to my max F16 with the density filter on I would assume diffraction, softness of image and resolution would suffer.
The pixel size on a G16 is ultra tiny so F22 with a 3 stop filter, I would imagine the light would diffract and not hit a single pixel but the adjacent ones as well causing lack of sharpness and resolution as already mentioned.

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dhornick
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Post edited over 2 years ago by dhornick.
     
Nov 09, 2015 16:47 as a reply to  @ teekay's post |  #7

Sorry for the late reply as I've just returned from vacation. The answer to your question is that is the way I was taught. Aperture mode, F22, lock the ISO at 100 and have a tripod. It's worked wonders for me with fabulous pictures but the G16 just throws me for a loop. It did OK on the trip but not near as good as my T3i and bigger lenses.


Darrell
6D | 16-35mm f/4 L | 8-15mm Fisheye L | 24-105mm f/4L | 24-70mm f/2.8L | 100-400mm f/4.5 5.6L | Speedlights 430EX III, 600EX II RT & ST-E3-RT transmitter.
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G16 Aperture
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