Join Ben Long for an in-depth discussion in this video Image quality, part of Foundations of Photography: Lenses.
After considering what kind of lens you're looking for and what the options are …from various lens manufacturers, you're ready to start looking at the specifics …of your individual candidates. …There is only one single feature that should be your make-or-break kind of …deciding feature for a lens and that's image quality. …No matter what extra features the lens has, if it can't deliver a good image, …you should eliminate it from your range of choices. …Evaluating image quality can be broken down into just a number of simple kind of …steps and parameters. …And here are the things that you want to consider. Sharpness. …Sharpness is a tricky thing because there is no objective standard for …sharpness. In optical circles, they often refer to sharpness as acceptable …sharpness and what's acceptable to you is really all that matters. Contrast. …And I am going to relate this to color also. Just how good does the lens deliver …rich colors and nice contrast with a lot of pop. …This again is a somewhat ineffable indefinable quality. …
- 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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