What is a 63 zone metering system?

Evaluative metering has come a long way since then, and now most EOS cameras use a 63 zone metering system and advanced micro-processors to analyse the information gathered. The auto exposure sensor from the EOS 60D. Note the grid of seven by nine black squares in the centre.

How many zones of metering does the 650 have?

The EOS 650 had a six zone evaluative metering mode. Evaluative metering has come a long way since then, and now most EOS cameras use a 63 zone metering system and advanced micro-processors to analyse the information gathered.

What are the different metering modes used in cameras?

Most EOS cameras have four metering modes: evaluative, partial, spot and centre-weighted metering (One series cameras also have multi-spot metering). Partial, spot and centre-weighted metering all have a single characteristic in common – they take an exposure reading from the centre of the viewfinder.