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Cyclops Optics

STC Astro Duo-Narrowband Clip Filter (Nikon APS-C)

HK$2,950.00 HK$2,250.00
(You save HK$700.00)

STC

STC Astro Duo-Narrowband Clip Filter (Nikon APS-C)

HK$2,950.00 HK$2,250.00
(You save HK$700.00)
SKU:
STC-Astro-Duo-Narrowband-Clip-Filter-Nikon-APSC
Condition:
New
Shipping Weight:
0.10 KGS
Availability:
Accepting Order
Shipping:
Calculated at checkout
Quantity:
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Product Description

STC Astro Duo-Narrowband enables astrophotographers to capture two narrowband emission lines simultaneously, rendering ultra high contrast nebula images even if under the influence of strong light pollution in city. This ultimate dual narrowband filter enables one-shot-colour cooled camera and DSLR users to capture narrowband signals efficiently. 

20180114-m8-duo-narrowband-qhy183c-hps-01.jpg

Includes

  • STC Duo Narrowband Clip filter for Nikon APS-C camera (see compatible list below)
  • STC high quality microfiber cleaning cloth

Highlights

  • Passes two major narrowband 10nm transmission lines — Ha (656.3nm) & O-III (500.7nm) at high transmission rate (~80% or above)
  • Suitable for DSLR and One-Shot-Colour Camera
  • Superb contrast for nebulosity 
  • Available in 48mm standard size and Clip Mount version (see bottom of page)Features

Why Clip Filter?

  • Significantly reduces colour shift that might occur at the peripheral areas of wide angle lens thanks to close distance between the filter and sensor
  • Specially designed clip-shaped structure allows the filter to be secured firmly inside the camera body with the lens attached. Therefore, the focal plane is fixed ensuring accurate and consistent focus.
  • The clip structure is made of A2 stainless steel which is virtually non-magnetic and suitable for low temperature use.
  • Coated with the use of the IBAD (Ion beam-assisted deposition) technology on Schott® B270 optical 1mm glass, working for higher durability and easily cleaning, and preventing aging variation in optical spectral characteristics due to temperature and humidity change
  • High-quality double-sided NANO Anti-smudge coating provides excellent performance on waterproof and grease-proof capability
  • Considering the different optical lens properties of all kinds of brands, it is normal for spherical and coma aberration to occur on part of the fisheye lens, super wide angle lens and wide angle lens.
  • 12 months original manufacturer warranty*

^Due to the differences in optical design among various lenses, when used with some fish-eye lens, ultra wide and wide angle lenses, the corners of the image might appear softer which is a normal optical phenomenon

Compatible Nikon bodies

  • D7500
  • D7200
  • D7100
  • D7000
  • D5600
  • D5500
  • D5300
  • D5200
  • D3400
  • D3200

Placing the light pollution filter closer to the sensor reduces color shift that may occur at the peripheral areas of the image if front screw-in lens filter is used. STC recommends using STC Astro Duo-Narrowband Clip Filter for Nikon-APS-C with SLR lenses of focal length 14mm or longer, and avoiding directly taking pictures to strong artificial light which may cause slight flare on image.

Installation Procedure

A. Remove the lens from the camera.

B. Insert the Astro-MS clip filter into the camera.

C. Press the clip filter firmly into place

D. Attach the camera lens and start shooting!

 

 

STC Technologies

nikonclipastro-06.jpg  

STC utilises ion beam assisted deposition (IBAD) to solidly bind the coatings onto Schott B270 glass, the very same glass used in Zeiss lenses. Such technique enhances the light transmission and also durability of the 160 layers of coating deposited to produce the advanced filter characteristics shown above.

With patented Ultra Layer® technology, both surfaces of Astro-Multispectra are coated with Anti-Smudge nano-coating to prevent dust and water from settling on the filter surface. Dew will not form and your filter is always clean. If necessary, it's effortless to clean.

Warranty

6 months warranty covering defects due to manufacturing and workmanship

*Extended to 12 months by registering on STC website.

Specifications

Compatible camera

  • D7500
  • D7200
  • D7100
  • D5600
  • D5500
  • D5300
  • D5200
  • D3400
  • D3200

Material

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

Weight

9g

Spectrum

400•–700nm

Water drop contact angle

>110 degree

Multiple coating

Both-sided, total 160 layers

Origin

Taiwan

Passed

RoHS 2.0