Reviews: Converters and other adapters
SMC Pentax-F 1.7x AF Adapter Review
John Riley reviews this dual purpose Pentax adapter which not only acts as a 1.7x teleconverter, but also provides auto focus for older K Mount lenses, such as the M & A Series.
HD Pentax-DA AF 1.4X AW Rear Converter Review
Gary Wolstenholme reviews the Pentax HD PENTAX DA AF 1.4X AW Rear Converter for Pentax Digital SLRs.
