Teleconverter
Ricoh-Pentax DA 1.4x HD AW AF Rear Converter
126 g, 20 mm, 1.4 x, Pentax K
(2)
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£285.63
Pentax 1.4X AW HD PENTAX-DA AF Rear Converter
at OnBuy
Pentax SMCP-DA 17 - 70mm f/4 AL (IF) SDM AF Lens For Digital SLR Cameras (UK)
at eBay