About this product
Model: tak_fc-76dc_og_tfk707650
Part Number: TFK07650
Upgrade the FS-60CB to a 76mm doublet APO.
To be used with FS-60CB rear unit.
Specifications
Spec. | FC-76DC |
Optical design | Fluorite Doublet |
Optical mounting | Air spaced (Fluorite in front) |
Optical coatings | Fully Multi-Coated |
Aperture | 76mm |
Standard |
Focal length | 570mm |
Focal ratio | F/7.5 |
With 76D FL Field Flattener |
Focal length | 594mm |
Focal ratio | F/7.8 |
Image circle | 40mm |
Metal Backfocus Distance | 56mm |
With FC/FS MFL1.04X Field Corrector |
Focal length | 589mm |
Focal ratio | F/7.8 |
Image circle | 44mm |
Backfocus length | 85mm |
With 76D RD Focal Reducer |
Focal length | 417mm |
Focal ratio | F/5.5 |
Image circle | 36mm |
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