Following list compares main features of digital single-lens reflex cameras (DSLRs). Order of this list should be firstly by manufacturer alphabetically, secondly from high end to low end models.
Key:
To save space, the "EOS" is left out from Canon model names.
ISO values include maximum sensor range, even if in manual mode ("H1", "Hi 1", etc.)
Continuous shooting: fps is "frames per second", indicates the highest speed for full resolution, without separate battery grip (i.e., not integrated into the body).
Memory card types: CF is CompactFlash, SD is Secure Digital.
Dimensions are rounded to the nearest whole number.
Weight: with standard battery unless noted otherwise.