Quote Originally Posted by colrehogan
What is the coverage on the 210 mm Tessar compared to the 210 G-Claron (or do you have any idea)?

The Tessar will have substantially less coverage than a G Claron of the same focal length. Tessars not not generally known for their coverage. Typical Tessar-type lenses cover about 55 - 60 degrees. A 210mm Tessar will cover 5x7, but not have a lot left over for movements.