Our 2.7" Field Flattener can be coupled to a variety of different cameras for truly superb photographs or images with your Traveler.
The backfocus spacing for these flatteners (as measured from the rear flange) is 3.4" +/- 1/10" (86.4 mm +/- 2.5 mm).
The bayonet male thread size at the rear is 3.725" x 24.
Use the bayonet locking ring to secure your camera into position after you have framed your image. This allows you to rotate the camera to achieve your desired composition.
Starting in August 2009, all 2.7" field flatteners are now shipped with machined aluminum covers for both sides of the unit. If you already own one of these flatteners and would like a set of covers, you may order them separately.
35 mm SLR or DSLR Camera - use adapters (specify the t-ring that you need) to interface with the field flattener for optimum results in 35 mm film formats. For full frame Canon and Nikon DSLR's, we also offer the .
CCD Camera - Choose the appropriate adapter to space the field flattener properly with your CCD camera. For SBIG STL Series cameras we also offer the which couple directly to the STL's accessory block for an unvignetted light path.
Diagrams and Instruction Sheets:
Astro - Exploded diagram showing the field flatteners with a variety of accessories.
Important Note: These flatteners will no longer fit the outer bayonet of the original Pentax 6x7 camera.