STC Optics announced the rumored 6-stop ND clip filter

A few days ago I reported that STC Optics will introduce a new in-body ND filter. The STC ND64 IR-Cut clip filter is now officially announced. The price is $80.56, shipping will start in mid-April. Additional information:


  • 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 Nikon full frame DSLR
  • The fixed 6-stop ND clip filter is for the ND64 light density, passing through only 1.56% 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 ND64 filter also fix the problem of color cast and too-heavy/thick problem of traditional ND64 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.


  • 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 camera Nikon D4 / D4s / D800 / D800E / D810 / D750 / D600 / D610
Transmission 1.5%
Material 1mm Schott® B270 Glass• - 304 (A2) Stainless Steel
Weight 9g
Water drop contact angle >110 degree
Multiple coating Both-sided, total 34 layers
Origin Taiwan
Passed RoHS 2.0

Compatible Nikon bodies:

  • D4 / D4s
  • D800 / D800E
  • D810 / D810A
  • D750
  • D600
  • D610

The Canon version is available here. STC Optics is also making a clip filter for Canon APS-C cameras. They already have a light pollution clip-on filter for DSLR cameras.

This is how you install the filter:

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