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Astro-Physics 2,7“ Field Flattener
The 2.7" Field Flattener from Astro-Physics can be coupled to a variety of different cameras for truly superb photographs or images with your
- 140 f/7.5 StarFire EDF,
- 130 f/8.35 StarFire EDT,
- 155 f/7 StarFire EDFS,
- 5" f/8 StarFire or 5" f/8 Standard.
Astro Physics offers 3 Field Flatteners for its refractors. The following technical specifications apply to all three systems:.
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.composition. 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.
Diagrams and Instruction Sheets:
Astro - Exploded diagram showing the field flatteners with a variety of accessories.
- Astro Physics offers a wide range of adapters for connecting DSLR and CCD/CMOS cameras. Please refer to the original Astro Physics web pages for more information. DSLR Adapter - CCD/CMOS Adapter.
35 mm SLR or DSLR Camera - For full-frame DSLRs from Canon and Nikon, we also offer the large diameter 1.875" SLR adapter with bayonet for Canon EOS (67RLEOS) and Nikon (67RLNIK). These can also be used for APS-C cameras.
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.
Important Note: These flatteners will no longer fit the outer bayonet of the original Pentax 6x7 camera.
|Net weight (kg)||0.54|
|Compatible Brands||Astro Physics|