Wildness Photos by Gary O'Boyle
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Manual vs Automatic settings in Photography

When comparing Manual vs Automatic settings in photography, it really comes down to control vs convenience. Manual controls (M mode) offer full, precise command over aperture, shutter speed, and ISO for creative, consistent, and accurate exposure, whereas automated controls (Auto/Scene modes) use camera algorithms to quickly determine settings based on scene light. Manual is superior for challenging lighting or specific artistic effects, while auto suits fast-paced shooting.  
Automatic Mode

In Auto Mode, the camera controls:
  • Aperture
  • Shutter speed
  • ISO
  • White balance
  • Sometimes focus mode & flash

Pros
  • Quick and easy
  • Great for beginners
  • Useful for fast, unpredictable moments
  • Good in evenly lit situations

Cons
  • Less creative control
  • Camera may choose wrong exposure for artistic intent
  • Can overuse flash
  • Struggles in tricky lighting (sunsets, snow, backlighting)

Best For:
  • Casual snapshots
  • Family events
  • When you need speed over precision

Manual Mode

In Manual Mode, you control:
  • Aperture
  • Shutter speed
  • ISO

The camera only helps with the light meter.

Pros
  • Full creative control
  • Consistent exposure
  • Better for difficult lighting
  • Essential for long exposures, night, and flash work

Cons
  • Slower to set up
  • Requires understanding exposure
  • Easy to under/overexpose if inexperienced

Best For:
  • Landscapes
  • Night photography
  • Studio work
  • Wildlife with consistent lighting
  • Creative effects (motion blur, shallow depth of field)


Key Difference


Automatic                                                                                          Manual

Camera decides                                                                                You decide
​
Faster                                                                                                 More control

Easier                                                                                                 More creative freedom

Good for quick shots                                                                       Best for intentional photography



The Middle Ground (Highly Recommended)    

Many photographers (especially experienced hobbyists) use:

  • Aperture Priority (A / Av) – You control depth of field
  • Shutter Priority (S / Tv) – You control motion
  • Auto ISO in Manual – You control aperture & shutter, camera adjusts ISO

These give control without slowing you down.

Simple Rule of Thumb
  • If lighting is changing constantly → Use Aperture or Shutter Priority
  • If lighting is consistent → Use Manual
  • If you just want the moment → Use Auto
Now, what is automatic on a camera depends on the mode you’re using. Here’s a clear breakdown:

​1. Auto Mode (Full Auto / Green Mode) In full Auto The camera controls almost everything:
  • Shutter speed
  • Aperture
  • ISO
  • White balance
  • Focus mode & focus point selection
  • Flash (pops up if needed)
  • Picture style / color profile

You just compose and press the shutter.

2. Program Mode (P Mode) The camera automatically sets:
  • Shutter speed
  • Aperture

You can usually adjust:
  • ISO (if Auto ISO is off)
  • White balance
  • Exposure compensation
  • Flash

This gives you flexibility while still being mostly automatic.

3. Aperture Priority (A or Av Mode) The camera automatically sets:

  • Shutter speed

You control:

  • Aperture
  • ISO (unless Auto ISO is on)

Good for controlling background blur.

4. Shutter Priority (S or Tv Mode) The camera automatically sets:

  • Aperture

You control:
  • Shutter speed
  • ISO (unless Auto ISO is on)

Good for freezing or blurring motion.

5. Manual Mode (M) Nothing is automatic unless you turn on Auto ISO.

You control:
  • Aperture
  • Shutter speed
  • ISO (unless Auto ISO is enabled)

Other Things That Can Be Automatic (in most modes) Many cameras also allow these to be set to Auto:
  • ISO
  • White balance
  • Focus mode
  • Focus area selection
  • Image stabilization
  • Flash
  • Picture style
  • Noise reduction
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Prints are also available. Both matted and unmatted.

Please contact me here 
for more
information on the sizes available and their prices.


- Thank you