Join Ben Long for an in-depth discussion in this video Micro-focus adjustments, part of Foundations of Photography: Lenses.
Some SLRs have an option for something called Micro Focus Adjustment.…This allows you to tell the camera that when it's using a specific lens,…it should alter its autofocus mechanism to compensate for the focused…peculiarities of that particular lens.…Micro focus adjustment is only significant if you're talking about shooting with…the aperture full open on a very fast lens.…When shooting with this lens at full wide, you might find that focus is a little off.…Now, sometimes this is because some of the internal lens elements are out…of alignment and the micro focus adjustment feature will let you compensate for that.…
The camera will remember the adjustment settings for that particular lens.…So that next time you use it, your camera will know to compensate when focusing.…Now, the thing is when you're shooting really wide, your depth of field is…so shallow that just a slight movement in and out with your camera can throw…your image out of focus.…So, before you go worrying about whether your autofocus is working with a…
- Understanding field of view and camera position
- Depth of field and lens choice
- How to choose a lens
- Examining lens features
- Using specialized lenses such as fisheye and tilt/shift lenses
- Focusing techniques
- Using filters
- Camera maintenance
Skill Level Beginner
Foundations of Photography: Exposurewith Ben Long3h 24m Appropriate for all
Foundations of Photography: Compositionwith Ben Long5h 29m Intermediate
Douglas Kirkland on Photography: A Photographer's Eyewith Douglas Kirkland41m 55s Appropriate for all
2. What Is a Lens?
3. Focal Length, Camera Position, and Composition
4. Depth of Field
5. Choosing a Lens
6. Advanced Autofocus
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