I have heard remarks that a 200/2.8 prime will transmit more light than an 80-200/2.8 zoom. Is this true? I thought a 200/2.8 was a 200/2.8 whether it be a prime or part of a zoom. Thanks for any help. Nick - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
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