Amazon.com : Canon EF 85mm f/1.4L with UV Protection Lens Filter : Electronics
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The Great Debate: 85mm vs 135mm for Portrait Photography.
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perspective - What is ideal distance to subject for head and shoulder portraits? - Photography Stack Exchange
Comparing 85mm vs 135mm Lenses for Portrait Photography
What's the Best Focal Length for Portrait Photos? One Pro's Answer May Surprise You (VIDEO) | Shutterbug
Try Laying in the Dirt for Your Next Outdoor Session | Fstoppers
Depth of field- 50mm vs 85mm: Sony Alpha / NEX E-mount (APS-C) Talk Forum: Digital Photography Review
Canon EF 85mm f/1.4L IS USM Lens | Bedfords.com
Amazon.com : Canon EF 85mm f/1.4L IS USM - DSLR Lens with IS Capability, Black - 2271C002 : Electronics
4 Reasons the 85mm is Perfect for Portraits & How to Use It
What's Canon 85mm Lens Good For And Which Is The Best Lens For You?
Calculating the minimum and maximum distances for macro close-up lenses: Macro and Still Life Photography Forum: Digital Photography Review
Focal Length | Understanding Camera Zoom & Lens Focal Length | Nikon | Nikon
Lens Rentals | Blog
How to Choose the Best Focal Length for Portraits
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Focal length and portraits | Photo and Coffee
