To understand but not to speak

I am beginning to understand or at least beginning to understand more spoken French while not being able to speak really anything. Here is a good example of how I hear spoken French and its translation into English in my head. This is from an Aamazon.com review, can you determine the context?

Require a few small hours for a good catch in hands of all these functions utiles?, but, really a good apparatus, reliable, for old and enthusiastic a follower of the traditional réflex; function average average Car; to launch out directly in the meanders of its very good and real capacities. To have at the head that it is not the flying one of a formula 1, in spite of its many and terrifying apparent functions, a bad manipulation does not mean right in the wall, one has time to be found there, therefore not panic and appreciate!.... The corrections of exposures to -1 +1 are well refined and the anti-vibration ideal one if it is Mémé (or George Uncle) which takes the photograph.

Something to do with photography I guess?