1. Explain the purpose of lens choice and image quality
Use this outcome in the page activity and record useful evidence in your photography journal.
Exposure, Focus and Lenses · Page 32 of 101
Lens Choice and Image Quality
Learn to choose a lens and working aperture for practical sharpness and character.
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What you will learn
2. Apply a practical method to choose a lens and working aperture for practical sharpness and character
Use this outcome in the page activity and record useful evidence in your photography journal.
3. Recognise the main technical, safety or professional risk
Use this outcome in the page activity and record useful evidence in your photography journal.
4. Review the result and record one useful improvement
Use this outcome in the page activity and record useful evidence in your photography journal.
Step-by-step practice
Step 1. Identify why lens choice and image quality matters to the photograph you want to make.
Step 2. Prepare the subject, location, equipment and any required permission.
Step 3. Practise how to choose a lens and working aperture for practical sharpness and character.
Step 4. Review focus, exposure, light, composition, story and responsible practice.
Step 5. Complete this activity: Test one lens at three apertures and compare centre, edge and background rendering.
Safe and responsible practice: Change one setting at a time and review sharpness at useful magnification.
Practical activity
Complete and record this task
Test one lens at three apertures and compare centre, edge and background rendering.
Good-practice checklist
Important detail is acceptably sharp
Exposure protects the intended highlights
Complete the practical activity for lens choice and image quality
Record settings or decisions that produced the best result
Review the result on a second screen or as a print
Ask a qualified person when safety, privacy or legal consequences are significant
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