Pentax 100mm F4 Macro SMC Pentax 105mm F2.8 SMC Pentax 120mm F2.8 SMC Pentax 135mm F2.5 SMC Pentax 135mm F3.5 SMC Pentax 150mm F4 SMC Pentax 200mm F2.5 SMC Pentax 200mm F4 SMC Pentax 300mm F4 SMC Pentax 400mm F5.6 SMC Pentax 500mm F4.5 SMC Pentax 1000mm F8 SMC Pentax Reflex 1000mm F11 SMC Pentax Reflex 2000mm F13.5 Original manual K-mount zoom lenses Compatible with all Pentax DSLRs SMC Pentax 28-50mm F3.5-4.5 SMC Pentax 45-125mm F4 SMC Pentax 80-200mm F4.5 SMC Pentax 85-210mm F3.5 SMC Pentax 85-210mm F4.5 SMC Pentax 135-600mm F6.7 SMC Pentax 400-600mm Reflex Pentax K-mount Teleconverters and Adapters HD Pentax-DA 1.4x AW AF Rear Converter Pentax Adapter K for 645 Lens (645 to K mount) Pentax Adapter K for 6x7 Lens (6x7 to K Mount) Pentax Mount Adapter K (M42 Screwmount to K Mount) Rear Converter K T6-2X Rear Converter-A 1.4x-L Rear Converter-A 1.4x-S Rear Converter-A 2x-L Rear Converter-A 2x-S SMC Pentax-F 1.7x AF Adapter Takumar-A 2x Tele-Converter M37 screw mount lenses Lenses for the Asahiflex series cameras. Asahi Kogaku Takumar 50 mm f/3.5 (1952) Asahi Kogaku Takumar 58 mm f/2.4 (1954) Asahi Kogaku Takumar 83 mm f/1.9 (1953) Asahi Kogaku Takumar 100 mm f/3.5 (1952) Asahi Kogaku Tele-photo 135 mm f/3.5 (1953) Asahi Kogaku Tele-photo Takumar 500 mm f/5.0 (1955) M42 screw mount lenses Lenses for the Asahi Pentax and Pentax Spotmatic series cameras. Takumar 35 mm f/4.0 (1957) Takumar 55 mm f/2.2 (1957) Takumar 58 mm f/2.0 (1957) Takumar 58 mm f/2.4 (1957) Takumar 100 mm f/3.5 (1957) Takumar 500 mm f/5.0 (1957) Takumar 55 mm f/1.8 (1958) Takumar 58 mm f/1.8 (1958) Auto-Takumar 55 mm f/1.8 (1958) Auto-Takumar 55 mm f/1.9 (1958) - Sears model (?) Auto-Takumar 55 mm f/2.0 (1958) Takumar 83 mm f/1.9 (1958) Takumar 105 mm f/2.8 (1958) Takumar 135 mm f/3.5 (1958) Takumar 300 mm f/4.0 (1958) Auto-Takumar 35 mm f/2.3 (1959) Auto-Takumar 35 mm f/3.5 (1959) Auto-Takumar 105 mm f/2.8 (1959) Takumar 200 mm f/3.5 (1959) Auto-Takumar 55 mm f/1.8 (1960) Auto-Takumar 85 mm f/1.8 (1960) Auto-Takumar 135 mm f/3.5 (1960) Auto-Takumar 55 mm f/2.2 (1961) Takumar 1000 mm f/8.0 (1961) Super Takumar 28 mm f/3.5 (1962) Super Takumar 35 mm f/3.5 (1962) Super Takumar 55 mm f/1.8 (1962) Super Takumar 55 mm f/2.0 (1962) Super Takumar 85 mm f/1.9 (1962) Takumar 105 mm f/2.8 (1962) Super Takumar 105 mm f/2.8 (1962) Takumar 135 mm f/3.5 (1962) Super Takumar