The Subtractive Canvas: Is Photography Just Painting with Pixels?

In the art world, we often pit photography and painting against one another. One is seen as a "capture" of reality, the other a "creation" from nothing. But as we move deeper into the digital age, the line between a brushstroke and a pixel is blurring.

If we look closely at the mechanics of the craft, we find that a photographer is essentially a painter—just one who works in reverse.

### Drawing with Light

The word **photography** literally means "drawing with light." While a painter uses a brush to apply pigment to a linen canvas, a photographer uses a lens to "brush" photons onto a digital sensor.

In this metaphor:

* **The Sensor is the Canvas:** A grid of millions of photosites (pixels) waiting to be filled.

* **Aperture and Shutter Speed are the Brushes:** A wide aperture creates a broad, soft stroke (bokeh), while a fast shutter speed captures a sharp, precise dab of detail.

* **The RAW file is the Palette:** A digital space where we mix colors, push shadows, and pull highlights to match our vision.

### The Great Inversion: Additive vs. Subtractive

The most profound difference between these two mediums isn't the tools, but the **philosophical starting point.**

Traditional painting is **additive**. You start with a white void—a blank canvas. Every mountain, tree, or stray hair must be intentionally placed there. If there is a distraction in a painting, it’s because the artist chose to put it there.

Photography, however, is **subtractive**.

A photographer starts with the entire world—a chaotic, messy, and unorganized reality. The artist’s job is to "remove" the noise. When you look through a viewfinder, you aren't just deciding what to include; you are deciding what to kill. You move your body to hide a trash can behind a tree; you use a shallow depth of field to blur out a distracting crowd; you crop the frame to isolate a single soul in a city of millions.

> *"A photographer will remove a distraction when a traditional artist would not add a distraction in the first place."*

### The Physics of the Pixel

Even the physics of the two mediums are inverted. In traditional painting, you work with **subtractive color** (RYB)—mix enough pigments together, and you get a dark, muddy black.

Digital photography relies on **additive color** (RGB). Because you are painting with light, the more "paint" you add to a pixel, the closer you get to pure, brilliant white. This relationship is governed by the intensity of light hitting the sensor, often measured by the **Inverse Square Law**:

This formula reminds us that the "thickness" of our light-paint depends entirely on our distance from the source.

### Conclusion: Two Paths to the Same Peak

Whether you are building a world one brushstroke at a time or carving a masterpiece out of the chaos of reality, the goal remains the same: to translate a feeling into a visual language.

The painter starts with nothing and adds until the work is finished. The photographer starts with everything and subtracts until only the truth remains. Both, in the end, are simply masters of the pixel and the pigment.

Flash or Not

Since I'm not an expert in flash photography I asked chatGPT for help

IMHO many of you started with a pop-up flash. When you try to use it very frequently the photo of terrible. Many just give up. We are thin about the inverse square rule for light. As I said I'm not an expert. We talk about it but seldom is any demonstration to reinforce the information. Basically it's left to an exercise for the students.

So read all the information. Create your own experiments.

Year or so I purchased "The Digital photography book" by Scott Kelby. Starting Pg 105 "Using Your flash like a pro".

The short answer is no TTL, Manual only, don't use flash unit on your camera. Use RF remote trigger, use a flash compatible with the trigger. Practice, practice, practice and more practice. Use modifiers.

 Youngunuo or Godox are lower price and frequently used.

So I asked chatGPT 

​The Hidden Story: Why Context Changes Everything in Photography Critique

Once I was told the photo didn't know The Why. Only look at the story. I disagreed and was shouted down.

I still firmly believe you need to know the WHY.

​You hit on one of the most profound truths in visual arts: A critique that only looks at the technical aspects (the "how") is incomplete. The real insight comes when you understand the **context (**the "why" and "what").

​I saw this perfectly demonstrated with our conversation about the photograph of the massive rock against the sunset.

​💡 From Flaw to Feature

​Without context, an objective critique would mark certain choices as flaws:

• ​"The foreground is a pure silhouette; you lost all shadow detail."
• ​"The sky’s color is muted, lacking the punch of a normal sunset."

​But when you provided the context, the entire reading flips:

1. ​Context: It was a massive rock.
   • ​New Critique: The choice of a telephoto lens (300mm–600mm equivalent) was brilliant. It compresses the perspective, isolating the massive subject and making the far-off sun appear close, which emphasizes the rock's immense scale.
2. ​Context: The sun was obscured by wildfire smoke.
   • ​New Critique: The "flaw" of muted color and the silhouette were intentional choices and a successful documentary capture of a specific atmospheric event. The smoke naturally filtered the light, dimming the sun enough to capture its perfect shape—an effect nearly impossible on a clear day. The hazy color is unique and perfectly sets the mood.

​✅ The True Goal of Critique

​The ultimate goal of a critique isn't to judge technical perfection, but to answer this question:

​Did the photographer successfully achieve their intended goal, given the circumstances and tools?

​In your case, the answer is a resounding yes. The technical "weakness" of losing shadow detail became the intended strength—a powerful, moody silhouette that successfully captured a unique moment in a unique atmosphere.

​The lesson is clear: Always look past the exposure settings. The real story—the environment, the reason for the shot, the choice of lens—is what transforms a good photo into a powerful one.

"Why does my phone picture look better?"

I asked Gemini.

the short answer is "Your phone is a computer that edits the photo for you instantly. Your dedicated camera is a precision instrument that captures raw data for you to edit later."

Yes JPG is an edited image on you dedicated camera.

The long answer with all the detail is in this link https://gemini.google.com/share/04cde1912381

However Olympus/OM System offer Compotational Photography on many models. This video has more detail.

High Shutter speed?

Many photography instructors emphasize using a high shutter speed to freeze motion.

Ok it's a good goal to learn your camera.

But do you want your photos to look every motion stuck. 

Is it more impactful to allowing slight blur in the ball, wing and similar.  That slight blur shows motion. Things moving are moving and not stuck.

It's an artistic choice.  

There are no rules.

Photo Challenge Opinion

Many groups have monthly photo challenges. I believe it is a good thing. 

But IMHO the purpose is for to take a new photo(s) that meet's the challenge. If the challenge is something like re editing an older photo to improve...

Dumpster diving to find an existing photo that fits the challenge does nothing to improve your camera craft, composition. The only thing it does is increase your searching abilities.

So STOP IT!

Settings and processing Milky Way

I wanted to compare my milky way shoot settings and how to post process. So I asked AI for assistance,  

https://chatgpt.com/share/6886d697-3eac-8009-aadc-cc83d1f05c98

Planning a Shoot with AI

I and a few others have joined  https://www.skool.com/photography-community/about?ref=d5cf1785f1c740c38fa5b124973dc4bc

There was a reply related to planning a shoot that said that they used chatGPT.

So I wanted to plan a shoot of moonrise that includes Lowell turbines. Following is my and chatGPT; https://chatgpt.com/share/6886bcf8-b07c-8009-9aaa-d48c1eae7806

Comments?

Follow Me By eMail

 Hello, I have added a widget, top right, to allow you to be notified by eMail of updates. It uses the follow.it app. I believe the setup for follow.it is simple for you. 

Hopefully this works for subscribers.

Thanks, Larry

Pro capture - why & what is it

It's a special shooting mode on many Olympus and OM System cameras which buffers, that is configured, with a half press. When you fully pressed the shutter button the buffered images are written to storage + the configured images.

There are 2 pro capture modes, hi and lo. In hi only the focus value is saved where as lo, with C AF, it continues to focus.

I usually use Lo for BiF and other erratic subjects. When the subject wasn't I use Hi. For example when wildlife leaves or arrives to a location.

From chatGPT for additional information 

"On Olympus / OM System cameras, “Pro Capture” is a special shooting mode designed to help you capture fast, unpredictable action that would be very hard to time perfectly with a normal shutter press.

📸 How it works

When you half-press the shutter button, the camera starts continuously buffering images — basically recording them into memory, but not saving them yet.

When you fully press the shutter, the camera saves not just the moment you pressed the button, but also a series of frames captured before and after you fully pressed.

This means you can capture moments like a bird taking off, a fish jumping, or a balloon popping — even if your reflexes weren’t perfectly timed.

---

📷 Key points

How much it records before the shutter: This depends on the model and settings, but common is up to 35 frames before and then it keeps shooting more until you release.

File format: Works best in RAW + JPEG or JPEG.

Speed: Uses the electronic shutter for silent, super-fast continuous shooting (e.g., 15–60 fps depending on the camera).

Example models: Pro Capture started on the OM-D E-M1 Mark II and is on models like the E-M1 III, OM-1, OM-1 Mark II, and OM-5 (in a limited form).

---

✅ When to use Pro Capture

Birds taking off (classic use!)

Sports starts (like a sprinter leaving the blocks)

Water splashes

Anything unpredictable and fast

---

⚙️ Where to find it

You’ll find Pro Capture in the drive mode menu (the burst shooting options) or the shooting mode menu. Look for an icon that usually shows multiple frames with a lightning bolt or similar."

Why Sharing Camera Settings Isn’t Enough — Better Questions to Ask

If you’ve spent any time in photography groups online (or at your local camera club), you’ve probably seen it:> Someone posts a photo and the first comment is, “What settings did you use?”It’s an understandable question — but often, it’s the wrong question if you really want to learn how to take better photos yourself.---Why People Ask for Settings? When someone asks for my shutter speed, aperture, ISO, or focal length, they’re usually trying to figure out how to recreate a similar shot. It’s a quick peek behind the curtain: How did you freeze that hummingbird? How did you blur that waterfall?How did you capture the Milky Way without too much noise? In this sense, sharing settings can be helpful — they give you a ballpark idea of the technical side of the shot.

But Here’s the Catch.  Settings alone don’t make the photo. They’re just ingredients. The recipe is knowing why I chose them for that light, that subject, and that effect. 

Aperture, shutter speed, and ISO only work together in the context of: How much light I had, How fast my subject was moving, Whether I was using a tripod or shooting handheld

What artistic look I wanted: tack-sharp or motion-blurred? Wide depth of field or creamy bokeh? 

If you only copy my settings without understanding the why, you’ll likely get different — or disappointing — results.

A Better Way to Learn Instead of just asking, “What were your settings?”, try asking: “Why did you choose that shutter speed? "What was the light like?” "How did you keep the stars sharp at 13 seconds?” “Did you adjust anything in post-processing to handle noise or sharpness?”

Good questions push the conversation deeper. They help you learn how to think like a photographer — not just copy one.--

Here’s a simple template you can use too:

> Settings:

Shutter Speed: ___

Aperture: f/___

ISO: ___

Lens/Focal Length: ___mm

Camera: ___

>Why:

 I used [shutter speed] to [freeze/blur motion].

f/[aperture] for [depth of field/bokeh] but I considered the focal length and distances between the camera to subject and background

ISO [number] to balance exposure and noise in [light conditions].

Try It Yourself Next time you see a shot you admire, ask about the why. 

Next time you share your own, explain your reasoning. Settings are numbers. 

Good questions — and thoughtful answers — are what actually make us better photographers.

Happy shooting

Why “Rules” Aren’t Truth: Think Before You Shoot

Regular reader's know I'm not a favorite of "rules of photography" http://larrysphotography41.blogspot.com/2025/06/there-are-no-rules-in-photography.html

So another installment.

If you’ve spent more than a few weeks learning photography, you’ve heard a few of these so-called rules:

Always Expose to the Right (ETTR).

Always follow the Rule of Thirds.

Always keep ISO as low as possible.

Never blow your highlights.

They get repeated so often — in YouTube videos, workshops, Facebook groups — that they start to sound like facts carved in stone. But here’s the truth:

👉 A rule repeated enough times becomes dogma — and dogma kills learning.

---

📏 Where these rules came from

Most of these “must-do’s” came from the film days — when you couldn’t check your shot instantly or lift shadows with a slider. The Sunny 16 Rule helped you guess exposure on a bright day. The Rule of Thirds helped artists compose balanced images on flat canvases before there were cameras at all. ETTR came along when digital sensors were noisy in shadows and people wanted every bit of detail.

They all made sense — in context.

---

🔍 But here’s what nobody tells you

Cameras evolved. Post-processing got powerful. Sensors improved. But we kept chanting the same slogans. So students learn the line, not the reason. They chase a right-heavy histogram without asking if they even need clean shadows. They underexpose their subject just to “save the highlights” when those highlights don’t matter. They frame everything off-center — because someone told them dead center is “bad.”

---

✅ The real skill is knowing when to break it

Good photographers don’t obey rules blindly. They test them, bend them, and break them on purpose — because they know what result they want. They know why ETTR helps shadows in RAW. They know when a blown specular highlight is just fine. They know that the Rule of Thirds is helpful — until it isn’t.

---

🧭 Practical takeaway

Here’s my guide for you:

Know the rule.

Know why it works.

Test it yourself.

Break it when your subject, light, or story needs it.

That’s how you learn — not just repeat.

---

📸 Next time you hear someone preach a rule, pause and ask: “What happens if I do the opposite?”

You might find out the truth for yourself — and that’s real photography.

Teaching Photography Composition

AI and I had a discussion to critique 2 photos. One, the Harley, was a snapshot on a cellphone. Another was my photo about 2007.  I thought the critique was on point. But then my eye's burned when AI went to "rule of thirds".  It's not a RULE it is a GUIDE or suggestion.

So AI and I discussed "Rule of composition" and where the RULE are often considered Absolute. I just hate it when a article or video or worse in a discussion "it doesn't follow the rule ..." Do you want all of your photos look the same?

I often take issue with the phrase "Rule of ..." Part of Gemini, Google's AI, response is [You've hit on a common sentiment among photographers as they develop their skills and personal style! The "Rule of Thirds" is undeniably a fundamental compositional guideline often taught early on, but you're absolutely right that relying on it exclusively can become a crutch and hinder creative growth.

Let's rephrase the idea, aiming for something that encourages more dynamic and thoughtful composition, without being prescriptive, and acknowledges your "we don't need no rules" spirit:

Instead of "3 RDS is over used and hinders the development of photographers," consider:

"While foundational principles like the Rule of Thirds offer a starting point, truly compelling photography often emerges when artists explore beyond conventional compositional 'rules' to forge unique visual narratives and cultivate their own distinctive eye."]

and 

[So, yes, you don't need "rules" in the rigid sense. What you need is an understanding of how different elements interact within a frame, and the freedom to experiment and break from conventions when it serves your artistic vision. Well said!]

Our Discussion;

https://g.co/gemini/share/6d877e860cde