Xiaomi announces retractable lens technology for future smartphones: Digital Photography Review
How can smartphone manufacturers put cameras with a longer focal length than the total thickness of the phone they're built into? - Quora
Computational Zoom Will Let Photographers Control Perspective And Focal Length Of Photos
The 2 Best Lenses for iPhone Photography in 2023 | Reviews by Wirecutter
What's the actual focal length on smartphones' wide angle lenses? - Quora
Sony Xperia 1 III smartphone review - Camera phone with variable telephoto focal length - NotebookCheck.net Reviews
SPL-WA | 18mm Wide Angle Lens with Universal Clip Mount | Movo
The 2 Best Lenses for iPhone Photography in 2023 | Reviews by Wirecutter
What mobile camera lens to choose in 2023? Here's my top 5!
Smartphone Cameras Address the Issues of Auto-Focus, Cost, Focal Length in Very Small Spaces_6/7/20 - OLED Association
Understanding Focal Length On Smartphone Cameras | Smartphone Domain
Understanding aperture and lowlight on smartphones - Black Eye
Smartphone imaging technology and its applications
What is an ultra wide lens and how to use it effectively?
Measuring the focal length of a camera lens in a smart-phone with a ruler: The Physics Teacher: Vol 57, No 1
World's first smartphone with a retractable portrait camera lens rivals DSLR photography - Yanko Design
Hail the 35mm: classic focal lengths are coming to smartphones by Jose Antunes - ProVideo Coalition
Smartphone Cameras Address the Issues of Auto-Focus, Cost, Focal Length in Very Small Spaces_6/7/20 - OLED Association
Why are smartphone camera bumps so huge? - Android Authority
What is the focal length of an iPhone Camera and Why Should I Care? - Improve Photography
Know Your Smartphone: A Guide to Camera Hardware > Megapixel Count, Sensor, Pixel Size, Focal Length | TechSpot
What is aperture? Here's why it is important for smartphone cameras
Measuring the focal length of a camera lens in a smart-phone with a ruler: The Physics Teacher: Vol 57, No 1
Amazon.com: PocketLens 2-in-1 Macro & Wideangle iPhone Camera Lens, Universal Smartphone Accessories for Photography Enthusiasts : Cell Phones & Accessories
