If you have not yet read the radiation primer, you are invited
to do so. David Groves, PhD, has shown that the x-ray
environment of space would quickly render any photographs
unusable. [Bennett and Percy, Dark Moon, Dr. Groves' study
contains a number of serious errors. Although Dr. Groves gives
figures for the x-ray dosage to which he submitted his test
films, he does not in any way show that this is the expected
amount of x-ray energy that exists anywhere in cislunar space or
on the lunar surface. This key omission makes Dr. Groves' study
of Dr. Groves used a Bronica ETRSi 120 roll film camera in his
tests. He does not explain why he did not use a Hasselblad
EL/500 or EL/700 camera, the type of camera supplied to NASA for
use in the Apollo missions. It is still manufactured by
Hasselblad and suitable period examples of which can be obtained
easily from second-hand dealers. Use of a dissimilar camera
limits the extent to which Dr. Groves' results can be applied to
Apollo photographs. Further, Hasselblad clai