Can a mobile phone camera be considered equivalent to 10-20mm wide angle lens on a crop body?
134974
What is the focal length on your typical cell phone camera?
133059
How to select lenses for outdoor sports photography?
85191
Are manufacturers' Image Stabilisation ratings for zoom lenses deceptive?
22374
What methods can be used to micro-adjust autofocus of a camera body to a particular lens?
31075
What can be done using a 18-55mm lens?
88406
What does different focal length offer me?
141557
Is Sigma 150-600mm f 5-6.3 contemporary "F4-5.6" on Crop Sensor?
6949
Image processing with Android Camera
49187
What is focal length and how does it affect my photos?
6598
How to calculate the correct focal length needed for a subject of a given size and distance?
15644
What is crop factor and how does it relate to focal length?
101182
Does wide angle equivalent in crop sensor skew image?
118498
Camera to behave as the viewport?
38465
Does a Nikon DX lens on a FX camera get subjected to the 1.5X crop factor?
144150
Upgrading from a modern smartphone camera without going all in on a DSLR kit
129284
Why no zoom lenses with a maximum aperture wider than f/2.8?
48565
How to reproject and crop a 360°x180° panorama?