Let’s assume that you have a camera which claims that it has 51 focus points. You attach a 300 f/2.8 on it and you can select any of the 51 focus points. So far […]
Tag Archives: aperture
KYC #2 - Why is an f/2.8 lens called faster than f/4
The 70-200 f/2.8 is said to be a faster lens that the 70-200 f/4. What does this mean? Well, the most common answer that I have heard is - ‘it gives faster shutter speeds’ Lets take a […]




