A. Cameras with fixed length lenses are too bulky for anyone but the professional photographer –
INCORRECT – “anyone by professional” is too large of a set of photographers that are not even mentioned in the passage
B. Serious photographers are concerned primarily with superior image quality. –
INCORRECT – it is an inference not supported by the premise above. “For the serious photographer interested in superior image quality” implies that not all serious photographers are interested in superior image quality.
C. Despite claims to the contrary, traditional film cameras are still the best choice for professionals –
INCORRECT – film cameras are not discussed in the passage
D. Cameras with folded optics system generally do not produce image quality as those with interchangeable lenses. –
CORRECT – “generally” is a vague enough term that makes the statement easy to prove. Test: Can this statement be proved with information in the passage? Yes – Since photographers interested in image quality chose interchangeable lens camera over folded, the inference must be true.
E. Price should not be a primary factor in determining whether to buy a particular camera. –
INCORRECT – there is mention of price in the passage