Whether you're shooting digitally or on film, Fotodiox offers the world's largest selection of lens adapters. Mix camera/lens platforms or reinvigorate vintage glass; Fotodiox has hundreds of ways to mount lenses onto your DSLR or SLR camera. Our adapters deliver infinity focus, manual aperture control, and a sturdy build for lasting quality. FeaturesMounts Rollei 6000 (Rolleiflex) Series Lenses to Pentax K (PK) Mount SLR Cameras; infinity focus or beyond assuredIntegrated adjustable iris to allow some control over depth of fieldEnhanced craftsmanship and high-tolerance construction for demanding professionalsPrecise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments requiredPrecision all-metal construction with chrome plated brass mounts for secure and solid fit24-Month Fotodiox Compatible Cameras Pentax K (PK) Mount SLR Cameras - Popular models include:K-7, K-x, K-r, K-5, K-01, K-30, K-5II, K-5IIs, K-500, K-50, K-3, K-S1SpecificationsHandle: R6K-Pk-ProLens Mount: Rollei 6000 (Rolleiflex) Series LensBody Mount: Pentax K (PK) Mount SLR Camera : 24 MonthsWeight: 340 g- SKU: FTDX996