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Astronomy > Filters > Nebulae filters > Broadband Filters > Astronomik > CLS > Astronomik Filters CLS Clip Nikon Z XL
Product no.: 71078

Filters CLS Clip Nikon Z XL

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Product description

Clip filter for mirrorless Nikon Z full-frame cameras: Z5, Z6 and Z7

The filters sit securely and tension-free in the camera. Mounting and removal are quick and easy! No changes to the camera are necessary to use the filters.
The clip filters are optimised for use with normal camera lenses as well as for use on telescopes.

Due to the limited space in the cameras, the clip filters may cause minimal additional shading with some lenses, which can be corrected using Flatfield. Not compatible with the original Nikon Z 2.0x teleconverter.

This filter is suitable for photography and observation from areas with artificial light pollution. It enhances the contrast of all deep sky objects.

The CLS filter increases the contrast between astronomical objects and the sky background. Due to the large half-width, a correspondingly large amount of light is transmitted, so stars are only slightly attenuated. The CLS filter is designed to block as much stray light as possible while still allowing as much light as possible to pass through to the objects. The useful range of application extends to visual observation with an aperture ratio of 1:2 to 1:15 for telescopes from 2" (50 mm) aperture and for CCD, DSLR and chemical SW photography through lenses and telescopes of all diameters.

How it works

The filter completely blocks the emission lines of low- and high-pressure lamps (mercury (Hg) and sodium (Na)) and the lines of airglow. All important emission lines of astronomical objects and the spectral range in which the eye has maximum sensitivity at night are transmitted.

Tips and further usage information

In the EOS Clip Filter version, the filter allows photography with DSLR cameras even in extreme light pollution without affecting the colour balance.

Alternatives

If no built-in IR blocking filter is available for electronic photography, a CLS CCD filter is required.

Suitability of the filter

  • Visual observation (country): Good, with light pollution from mercury vapour lamps
  • Visual observation (city): Good, a UHC-E or UHC filter is more suitable
  • Conventional film: Very good, white balance is very good
  • CCD astrophotography: Good, additional IR blocker required
  • DSLR astrophotography (unmodified): Good, colour shift but improved contrast
  • DSLR astrophotography (astromodified): Very good, white balance is very good
  • DSLR astrophotography (modified with MC clear glass): Good, additional IR blocker required
  • Webcam / video (Planets): Not suitable
  • Webcam / video (deep sky): Very good if light pollution is a major problem


Technical data for the filter

  • 92% transmission at 486 nm (H-beta)
  • 92% transmission at 496 nm (OIII)
  • 92% transmission at 501 nm (OIII)
  • 97% transmission at 656 nm (H alpha)
  • Passband 450 nm to 540 nm and greater than 650 nm
  • Homofocal with all other Astronomik filters
  • Filter thickness: 1 mm
  • Not sensitive to moisture, does not age, scratch-resistant
  • Fine-optical polished carrier material
  • The filter is supplied in durable packaging

A bit of help with your selection:

  • As a first filter, we recommend the Astronomik CLS filter. This filter suppresses artificial light pollution and natural airglow. By using this filter you get a dark-sky background and can therefore use much longer exposure times to make fainter objects visible. The filter is optimised in such a way that objects are reproduced in their natural colours. Important: the simple CLS filter has no built-in IR-blocking. Therefore you will need the CLS-CCD filter for an astro-modified camera!
  • A good choice for working in locations with really heavy light pollution is the Astronomik UHC filter. The transmission curve of this filter only allows the light of the H-beta, OIII, H-alpha and SII lines to pass through. The background suppression is significantly stronger than with the CLS, however this filter works only for gas nebulae! Star clusters and galaxies are largely filtered out.
  • For a more in-depth introduction to astrophotography, we recommend the OIII, H-alpha and SII emission lines filters, available with full width at half maximum of 6nm or 12nm. With these filters you can create detailed images of faint objects even from locations with extreme light pollution and a full Moon high above in the sky. Images in these narrow emission lines are not naturally coloured.
  • For the owners of astro-modified cameras we offer the Astronomik OWB filter: OWB stands for "original white balance". The filter corrects the displaced colour reproduction of a converted camera so that it can also be used for normal every-day photography, without having to revise every image on the computer.

Specifications

Capacity


Frame
Clip-Filters
Mount material
Aluminium
Coating of optical system
multiple
Appropriate for...
Nikon

General


Type
Filters
Type of build
Broadband Filters
Series
CLS

Area of application


Useful for photographs
yes
Visually useful
no
Anti light-pollution
yes

Product safety

Manufacturer: astro-shop, Eiffestr. 426, 20537 Hamburg, DE, www.astro-shop.com
Astronomik Filters CLS Clip Nikon Z XL
Light transmission curve

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