query: What do I need in a lens for studio portrait photography?
positive_passages.docid: 127
positive_passages.text: What is a good Canon lens to take portraits?
negative_passages.docid: 69837
negative_passages.text: What is the fastest lens available for a DSLR?
negative_passages.docid: 85812
negative_passages.text: Are mirror lenses good for wildlife photography in daylight?
negative_passages.docid: 31075
negative_passages.text: What can be done using a 18-55mm lens?
negative_passages.docid: 104311
negative_passages.text: With which film camera should I start?
negative_passages.docid: 34411
negative_passages.text: What lens characteristics are important in star photography?
negative_passages.docid: 31957
negative_passages.text: How can I get a pure white background in studio photography?
negative_passages.docid: 101960
negative_passages.text: Why are crop lenses indicated with focal lengths they don't have?
negative_passages.docid: 96100
negative_passages.text: What Canon lenses do you suggest for wedding photography on a tight budget?
negative_passages.docid: 14182
negative_passages.text: How to ensure sharp focus when shooting with an open aperture?
negative_passages.docid: 7818
negative_passages.text: How can I get dramatic shallow DOF with a kit lens?
negative_passages.docid: 18645
negative_passages.text: Is a UV Filter required/recommended for lens protection?
negative_passages.docid: 27692
negative_passages.text: Why do I need an add-on lens to take smartphone macro photos?
negative_passages.docid: 6598
negative_passages.text: How to calculate the correct focal length needed for a subject of a given size and distance?
negative_passages.docid: 22161
negative_passages.text: How do I get adequate depth of field in macro photography?
negative_passages.docid: 138978
negative_passages.text: Is optical image stabilization a necessary feature for any lens?
negative_passages.docid: 63377
negative_passages.text: Which lenses can I use with adapters on my Sony A-mount body and what are the disadvantages of such adapters?