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TEC FF140 Field Flattener for TEC 140ED

TEC FF140 Field Flattener for TEC 140ED

can be shipped within 30-60 days

Price includes VAT, plus delivery

The FF140 is optimised for use with the TEC 140ED Refractor. It provides a corrected field of 70mm and was originally designed for use with cameras using the 6x7cm film format. This flattener is exceptionally well corrected and has distortion of only 0.5% at the very edge of the maximum corrected field.

The corrector is designed to mount directly to the Starlight Instruments 3.5" focuser as fitted as standard to TEC Refractors. The camera side of the FF140 uses a clamping system that requires specific adaption. To aid connection to the widest range of devices easily, we offer an M68 conversion adapter.

General Information

Back Focus 85mm from flange to sensor
Max Diameter 112mm
Length 102mm
Weight 1.2lbs/0.55kg
Design Doublet with Broad Band Anti Reflection Coating

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