Reducer 0.66x CDK12.5 /14/ 17

Name: Reducer 0.66x CDK12.5 /14/ 17
Brand: PlaneWave

PlaneWave

Reducer 0.66x CDK12.5 /14/ 17 is a matched reducer/flattener or field corrector for improving star shape and image scale on compatible optics.

reducer premium

Best Current Offer

Cloud Break Optics

In stock

$1,600.00

Specifications

Optics

Optical type: Focal reducer
Reduction factor: 0.66x

Use

Primary use: Correcting or reducing an imaging telescope field

Astrophotography Fit

Best when it is matched to the exact telescope design and installed at the specified back-focus spacing.

Reducer 0.66x CDK12.5 /14/ 17 should be treated as part of the optical prescription, not a generic accessory. The right reducer or corrector can flatten the field, improve corner stars, and in reducer form make the system faster and wider.

Spacing, tilt, and sensor size are the entire game. Even a premium corrector will disappoint if the camera sits at the wrong distance or the focuser cannot hold the train square.

Best paired with

The specific telescope model it was designed for
Threaded adapters and spacers that hit the published back focus
Cameras with sensors inside the corrected image circle

Not recommended for

Unmatched telescopes with different optical prescriptions
Rigs where back focus is already consumed by filters/OAG/rotator
Trying to fix guiding, focus, or collimation issues optically

Where To Buy

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Retailer	Price	Availability	View Offer
Cloud Break Optics Cloud Break Optics	$1,600.00	In stock Updated 11/4/2026	View Offer - $1,600.00

Price History

Chronological retailer pricing with out-of-stock points shown at reduced opacity.

Cloud Break Optics