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smc PENTAX-DA☆300mmF4ED[IF] SDM / Telephoto Lenses / K-mount Lenses / Lenses / Products | RICOH IMAGING
Towarzystwo Nieustraszonych Soczewek: SMC Pentax-FA* 300 mm f/2,8 ED (IF) kontra SMC Pentax- DA* 300 mm f/4 ED (IF) SDM
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pentax 300mm f4 with 1.4 or 2x teleconverter possible ?: Pentax SLR Talk Forum: Digital Photography Review
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