focal length by 0.48. For instance, 90mm is ~44mm in 35 film SLR terms. Mamiya RB67 Pro-S 6x7 Camera + Sekor-C 250mm 4.5 Lens + Waist Level Finder 30 Dec 2011 mamiya-sekor 90mm lens features. honchell 4:58am, 30 Sekor, Sekor C, or KL/L? Do you have the manual for the camera and lens? Check: Results 1 - 48 of 92 MINT in BOX Mamiya Sekor C 90mm f/3.8 Lens from japan #1363 ?Excellent?Mamiya Sekor-C 127mm F3.8 Lens for RB67 Pro S SD from25 janv. 2017 Results 1 - 36 of 36 Mamiya RB67 Pro S w/Sekor C 90mm f3.8 120 Film Back From Japan. Original rubber hood. The shutter speed is accurate from low speed to Perusing this manual before attempting to . Mamiya Sekor 90mm f/3.8 with lens hood .. lock to the left while pressing this release lever. Tripod socket. 8 Us 9.99 mamiya rb67 pro s and rz67 service / repair manual / guide camera Very good mamiya rb67 pro s professional sekor c 90mm f3.8 lens 6x8 film. 7 avr. 2018 Mamiya RB67 Pro-S 6x7 Camera + Sekor-C 250mm 4.5 Lens + Waist Level . I've been using a used Mamiya Pro S Rb67 camera for the past year, and I'm . accompanied by an array of accessories, which one of those is a 90mm f3.8 lens. 2 Jun 2017 However I would like to get my hands on a service manual. So now I could use some help on the Mamiya Sekor 90mm lens. Anyone?