Photographic Exposure and Manual Mode Shooting

Started 4 months ago | Discussions
Luca P
Luca P New Member • Posts: 3
Photographic Exposure and Manual Mode Shooting

Hello Everyone,

Two years ago I made these videos on "Exposure and Manual Mode Shooting" and started my youtube channel; at the beginning I started recording in Italian and since that day I made some other videos. Well, I'd better say I made "very few videos" due to family and work business...nevertheless, a lot of people found them extremely helpful and some of them also suggested to add english subtitles and - if it works - to directly record in english speech.

So let's get to the point: what I'm kindly asking you is a "sincere feedback" on the two videos below (it's the same topic, split in two parts): these are the first two english-subs videos I edited, since they're the most viewed on my channel...if you appreciate that, there are other videos on Megapixels, f-number, landscape photography (etc) ready to receive their english subtitle edit soon.

As I said, these videos are not sponsored so they're genuinely focused on the "General Photo Technique", regardless of brands, technology and so you will see, I used modern digital cameras (both reflex & mirrorless) as well as old film cameras and smartphone...just to remark that this video could really be helpful to everyone since it covers a wide variety of gear.

Thank you in advance for your time!

Exposure and Manual Mode Shooting - Part One:

Exposure and Manual Mode Shooting - Part Two:

Bill Ferris
Bill Ferris Veteran Member • Posts: 8,680
Re: Photographic Exposure and Manual Mode Shooting

It's clear you've invested a lot of time and effort to produce these videos. I applaud the work and effort, and your desire to help beginners.

I've watched the first few minutes of video #1 and spot-checked it to the end. One suggestion I have, would be to lead off with an introductory lesson showing a variety of photos illustrating the diversity of what can be done with a camera. You could also use graphics to show the settings used for the photos. But I'd suggest leaving the math and technical discussion for later in the series. Get their attention, first, before diving into the maths.

For the section on exposure. I would suggest adding scene luminance as the third parameter that, along with aperture (f-stop) and exposure time (shutter speed) determines exposure. To illustrate this, you could show photos of the same landscape or street scene taken in the daytime and also at night. The significant reduction in scene luminance at night requires wider apertures or longer exposure times to compensate. Even with these changes, higher ISOs may be needed to render photos having a pleasing lightness.

I'd also suggest clarifying that ISO as a "sensitivity" setting doesn't change the sensor's ability to capture light. It's as sensitive to a given exposure at ISO 100 as it is at ISO 51200. What changes as ISO changes is the lightnes of the JPEG rendered in-camera. In this context, ISO can be described as an output sensitivity setting that changes the lightness of the photo. It's not an exposure setting affecting exposure or the sensor's ability to capture light.

Thanks, again, for your work to produce these videos.

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Bill Ferris Photography
Flagstaff, AZ

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Luca P
OP Luca P New Member • Posts: 3
Re: Photographic Exposure and Manual Mode Shooting

Thank you so much for your feedback Bill, there are so many things I agree with.

These were the first two videos I made for the channel while we were in lock-down here in Italy and it's kind of funny how - in spite of being so uncomfortable in front of the camera (the difference is tangible if compared with the most recent videos) - these are the most viewed of my channel...I guess the topic is quite interesting for a wide range of photographers. Just to confirm that I agree with "leaving the math and technical discussion for later in the series" but that's most probably a bias of my profession in engineering. Anyway, I will keep your advice in mind for future videos...I love math but I also understand that it could be boring sometimes...

About ISO and Sensitivity, this is another point I agree with; nevertheless I preferred to put it that way to avoid talking about "Gain": in fact - as you you correctly pointed out - ISO value doesn't ramp up "Sensitivity" (otherwise we would never have noise in our pictures), but just the "Gain" and so the Luminosity of the final picture...but I thought that would have been even harder to understand for any beginner watching the video...

For this reason, quoting "It's not an exposure setting affecting exposure or the sensor's ability to capture light",I never talked in the videos about any potential relation between "ISO and Exposure": in fact I believe it would have been a huge mistake to put ISO into an "Exposure Triangle" (which is unfortunately quite common in Exposure videos and tutorials) since Exposure is just about "quantity of light" (aperture) and "time" this sense, math helped to make things a little bit clearer

Once again, thank you so much for your time and your useful advice, I really appreciate that. I will surely ask your opinion again when I will add English subs to the "Megapixels - too few or too many?" videos...

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