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SVBONY SV115 O-III Filter Narrowband 2" - (Pre-owned)

In Stock
SKU: USED120509
$69.00 CAD

Product details

  • SKU USED120509
Description

Product Description

Telescope Filter

SVBONY SV115 O-III Narrowband Filter is specially designed for nebula observation. It is suitable for visual observation of most emission nebulae, planetary nebulae and supernova remnants. Suitable for observing bright nebulae such as M42 Orion Nebula under heavy light pollution.

SV115 Narrowband OIII Filter Features

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  1. Filter substrate is fine-optically polished to 1/4 wave and <30 parallelism over both surfaces.
  2. Suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants.
  3. Suitable for viewing on bright nebulae like M42 Orion Nebula in heavy light pollution.
  4. Use with a large aperture telescope under clear and dark viewing conditions with good seeing.
  5. Narrowband filter do not eliminate the effects of light pollution or increase the objectā€™s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.
  6. Thin metal cells have a clear aperture of 26mm for 2" filters

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Telescope Filter

Designed for Nebula Observation

Narrowband OIII filter is designed for nebula observation allowing 18nm bandwidth of light centered on a wavelength of 500nm through, which corresponds to OIII emission lines, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).

Telescope Filter

Strong and Sturdy

Made of quality materials, the threads are strong and durable, not easy to loosen, and can be used for a long time.

Telescope Filter

Standard Size

Standard 2-inch size, can be connected to 2'' eyepieces and astronomical cameras.