What is the lens choice for 800mm to 1000mm with medium format?: Medium Format Talk Forum: Digital Photography Review
![SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database](https://www.pentaxforums.com/gallery/images/113020/large/1_MoonSouth.jpg)
SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database
![SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database](https://www.pentaxforums.com/lensreviews/data/37/smc_PENTAX-M_star_67_800_6_7_catalogue.jpg)
SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database
![SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database SMC Pentax-M* 67 800mm F6.7 ED [IF] Reviews - 67 Telephoto Primes - Pentax Lens Reviews & Lens Database](https://www.pentaxforums.com/gallery/images/113020/large/1_MoonNorth.jpg)