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Cyclops Optics

STC Clip Filter IR-Cut ND400 (Canon Full Frame)



STC Clip Filter IR-Cut ND400 (Canon Full Frame)

Shipping Weight:
0.10 KGS
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Product Description

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  • Mounting and removing the Clip-Filter is quick and easy.
  • Enabling use of ND filters on ultra-wide angle lenses without filter threads
  • Suitable for Canon full frame DSLR*
  • The fixed 9-stop ND clip filter is for the ND400 light density, passing through only 0.2% of the light, enabling long exposure motion blur effect under strong daylight
  • Also it can picture the vague dual image, the detail of the cloud in the sky and the peaceful reflection.
  • STC ND400 filter also fix the problem of color cast and too-heavy/thick problem of traditional ND400 filter with the technology of light spectrum SLC (Simulative Linear Calibration).
  • Using 1mm Germany Schott B270 optical glass and no-color cast coating to supply you a new experience of long-exposure photography.

* Please refer to compatible camera list below


  • The material is A2 stainless steel which is virtually non-magnetic and less brittle at low temperatures. Specially designed Clip-shaped structure could be pressed firmly while attaching the lens on camera body.
  • High-quality double-sided NANO Anti-smudge nano-coating provides excellent performance on waterproof and grease-proof capability
  • 6 months original manufacturer warranty

Compatible Canon bodies

  • Canon EOS 6D
  • Canon EOS 5D Mark II
  • Canon EOS 5D Mark III

Nikon full frame version available here


Where does the clip filter go?

The clip filter sits nicely on the cavity in your camera body, before the mirror. It doesn't get in touch with the sensor at all.

Will the mirror damage the filter or vice versa?

No, when the clip filter is in place, the mirror will rest on the clip filter frame which is made of 304 stainless steel and padded with shock absorbing material. 

Is it okay to release the mirror lock?

Absolutely! There is no harm to be caused to the mirror or the filter. It's perfectly fine to leave the clip filter in the body even when powered off.

Installation Procedure

A. Choose a clean space without wind. Turn on the power and press MENU button. Under Sensor cleaning mode, select Clean manually.

B. The mirror locks up. Remove the lens.

C. Slide in the Clip filter into camera mount.

D. Attach the lens on.



STC Technologies


STC Ultra Layer® zero-colour shift patented technology eliminates color casting and significantly reduces the weight and bulkiness of the ND64 filter. Combining a high quality 1mm Germany Schott B270 optical glass and zero-color cast coating, a new experience of long-exposure photography awaits.


6 months warranty covering defects due to manufacturing and workmanship

Extended to 12 months by registering on STC website.


Compatible camera

Canon EOS 6D / 5D MkII / 5D MkIII




1mm Schott® B270 Glass• - 304 (A2) Stainless Steel



Water drop contact angle

>110 degree

Multiple coating

Both-sided, total 34 layers




RoHS 2.0

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