Pre-Owned - Asahi Pentax Super Takumar 800mm F/4 6x7

This monster of a super telephoto lens for the Pentax 6x7 system weighs in at 17.7 kg and is more than 60 cm long. It is relatively fast at F4. Some sources say that it came in three variants over time. Others claim that the SMC Pentax-6x7 variant never came into existence. Takumar 6x7 800mm F4 © www.pentaxforums.com, sharable with attribution | Check camera compatibility Image Format 6x7 Lens Mount Pentax 6x7 Aperture Ring Yes (no A setting) Diaphragm Manual Optics 6 elements, 6 groups Mount Variant Outer Bayonet Check camera compatibility Max. Aperture F4 Min. Aperture F45 Focusing Manual Min. Focus 2000 cm Max. Magnification 0x Filter Size 77 mm (Rear) Internal Focus No Field of View (Diag. / Horiz.) 6.4 ° / 5.0 ° Hood Built-in, slide out Case Lens Cap Coating Weather Sealing No Other Features Tripod Mount Diam x Length 236 x 611 mm Weight 17700 g Production Years 1969 to 1971 Notes Engraved name: TAKUMAR/6x7 1:4/800 User reviews Filters mount at the rear. Variants 1969: TAKUMAR/6x7 1:4/800 (this lens) 1971: Super-Multi-Coated TAKUMAR/6x7 1:4/800 1983: smc PENTAX-6x7 1:4 800mm (existence not confirmed) Super-Multi-Coated Takumar 6x7 800mm F4 © www.pentaxforums.com, sharable with attribution | Check camera compatibility Image Format 6x7 Lens Mount Pentax 6x7 Aperture Ring Yes (no A setting) Diaphragm Manual Optics 6 elements, 6 groups Mount Variant Outer Bayonet Check camera compatibility Max. Aperture F4 Min. Aperture F45 Focusing Manual Min. Focus 2000 cm Max. Magnification 0x Filter Size 77 mm (Rear) Internal Focus No Field of View (Diag. / Horiz.) 6.4 ° / 5.0 ° Hood Built-in, slide out Case Lens Cap Coating SMC Weather Sealing No Other Features Tripod Mount Diam x Length 236 x 611 mm Weight 17700 g Production Years 1971 (start of production) Notes Engraved name: Super-Multi-Coated TAKUMAR/6x7 1:4/800 User reviews Filters mount at the rear. Optics unchanged over the previous variant. Variants 1969: TAKUMAR/6x7 1:4/800 1971: Super-Multi-Coated TAKUMAR/6x7 1:4/800 (this lens) 1983: smc PENTAX-6x7 1:4 800mm (existence not confirmed) SMC Pentax-6x7 800mm F4 © www.pentaxforums.com, sharable with attribution | Check camera compatibility Image Format 6x7 Lens Mount Pentax 6x7 Aperture Ring Yes (no A setting) Diaphragm Manual Optics 6 elements, 6 groups Mount Variant Outer Bayonet Check camera compatibility Max. Aperture F4 Min. Aperture F45 Focusing Manual Min. Focus 2000 cm Max. Magnification 0x Filter Size 77 mm (Rear) Internal Focus No Field of View (Diag. / Horiz.) 6.4 ° / 5.0 ° Hood Built-in, slide out Case Lens Cap Coating SMC Weather Sealing No Other Features Tripod Mount Diam x Length 236 x 611 mm Weight 17700 g Production Years 1983 (start of production)