Valid value for shutter speed based on Focal Length
35335
What is the relationship between focal length and shutter speed?
46631
Why is shutter speed changing after each shot in manual mode?
12994
Is it physically possible to build a long zoom (17-300 mm for example) at an aperture value of around 1.4 or 1.2?
8552
Which focal-length lens is usually used for portrait photography, and why?
73821
Understanding the coordinate system for ImageTake
145744
How do I meter for long exposures (10+ minutes)?
12853
Does the dpi number reported by camera in JPG have any meaning?
140954
what's the relation between sensor size and image quality (noise, dynamic range)?
42940
How do I calculate the distance of an object in a photo?
111238
Can you extend a Canon Rebel T5's exposure length?
70690
Why are only certain shutter speeds or apertures available?
59384
Do the same camera settings lead to the same exposure across different sensor sizes?
73401
Why is my camera limited to a shutter speed of 1/250th when the flash is up?
137118
Calculate distance with one camera
93222
How does sensor size affect the brightness of an image given the same field of view and aperture?
101960
Why are crop lenses indicated with focal lengths they don't have?
59156
What lens is needed to change the minimal focus distance length of my camera?