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» Bonus Filter (Up to $129.95 value)

Bonus Filter (Up to $129.95 value)

Choose one of the folowing filters
  • ID del producto: 63391
  • Garantía: 6 months
  • Peso del envío: 0,06 kg
  • Tamaño del paquete (Largo x Ancho x Alto): 8×3×3 cm
  • Agotado temporalmente
  Levenhuk Ra UHC 1.25'' Filter
Levenhuk Ra UHC 2'' Filter
Levenhuk Ra H-Beta 1.25'' Filter
Levenhuk Ra H-Beta 2'' Filter... más

Levenhuk Ra UHC 1.25'' Filter

This filter was designed for observations of dim and low-contrast deep-sky objects. The passband includes the Hß wavelength (4861 Å) and the OIII doublet (4959 Å and 5007 Å). Some planetary and emission nebulae are emitting up to 90% visible light in this range. This filter, therefore, enhances the contrast of nebulae details from 2–5% to 10–50%. This filter has a barrel diameter of 1.25" and can be mounted on the eyepiece of your OTA.

Levenhuk Ra UHC 2'' Filter

Levenhuk Ra UHC 2'' filter is a great accessory for deep-sky observations under urban illumination conditions. This filter has a 0.92 transmittance, which means that it suppresses up to 92% of city lights and greatly enhances the contrast of observed objects. Levenhuk Ra UHC 2'' filters have a barrel diameter of 2'' and are mounted on the eyepiece.

This filter is widely used for celestial observations as well as astrophotography, as it greatly enhances the contrast of resulting images.

Levenhuk Ra H-Beta 1.25'' Filter

Levenhuk Ra H-Beta 1.25'' filter may be used for deep-sky observations of emission nebulae and other marvels. Apart from enhancing the contrast of observed objects, this filter suppresses up to 90% of light, which is most useful during urban stargazing sessions. This filter suppresses light pollution, making skies darker as a result. Levenhuk Ra H-Beta 1.25'' filters have a barrel diameter of 1.25''.

This filter has a passband from 4720 Å to 4850 Å (472-485 nm) and may be used for stargazing and capturing high-contrast images during astrophotography sessions.

Levenhuk Ra H-Beta 2'' Filter

Levenhuk Ra H-Beta 2'' filter is used for observations of deep-sky objects, such as emission nebulae (H II) and others. This filter greatly enhances the contrast of observed objects and suppresses up to 90% of light, so it is perfect for urban stargazing. This filter suppresses light pollution, making skies darker as a result. Levenhuk Ra H-Beta 2'' filters have a barrel diameter of 2''.

This filter has a passband from 4720 Å to 4850 Å (472-485 nm) and may be used for stargazing and capturing high-contrast images during astrophotography sessions.

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