Both have elements missing. Both have damage to the filter rings. Listing here to save throwing them in the bin.
Smc Pentax A 50mm F2 Prime Lens Pentax Pk Mount 50mm Lens
Sigma 17-50mm f2.8 EX DC HSM Optical Stabilised lens for Pentax Digital SLR Cameras with APS-C Sensors
Rikenon P 50mm f2 Standard Prime Lens pentax K(non-A) mount vintage
"MINT" TAMRON SP AF 17-50mm F2.8 LD XR Di II APS-C IF Lens A16 For Pentax Japan
Pentax 24mm F2.8 ASAHI smc Wide Angle Manual Focus Lens
camera lens, 50mm F2 Full Frame Manual Focus Prime Portrait Lens, Compatible For Sony E Nikon Z Fuji X Leica Sigma L Mount,in parts(L-Mount)
