ND32 neutral density moon filter / light filter. M30x1mm external thread

£9.99

9 in stock

Description

This is a ND32 Neutral Density lunar filter with 1.5 filter optical density and 3.125% transmittance. This ND filter reduces and modifies intensity of all wavelengths or colours of light evenly, while giving no changes in hue of colour rendition. It is a great filter for glare reduction and is very useful when observing the Moon (digital eyepiece/camera users please see note below).

The filter is made of top quality optical glass and is mounted in a black anodised aluminium holder with M30x1.0mm external threads for the connection of eyepiece barrels.

Description:

  • ND32 Neutral Density Moon Filter.
  • Filter Optical Density: 1.5
  • Transmittance: 3.125%
  • Built with top quality optical glass.
  • Holder external threads: M30x1.0mm, can fit the PLOSSL 16mm and 32mm eyepieces that are available from this store.
  • Built with metal frame.

Note:

(1). Some telescope eyepieces may have M28.5×0.75mm internal threads on the eyepiece barrels. In this case, a moon filter adapter is available to attach this moon filter to the eyepiece. The adapter can take M30x0.75mm filter threads, but the filter frame with M30x1.0mm thread can also be attached to the adapter ring even though it does not reach the end of the threaded section.

(2). When this moon filter is used with the EE300 digital eyepiece/camera, it can help improve image result under normal daylight conditions or when the moon is not too bright at night (eg. a new moon or Waxing Crescent). However, as the moon is getting bigger and brighter, you would need to use the ND64 filter with the EE300 device.

Additional information

Weight 0.05 kg

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