The EXPLORE SCIENTIFIC S-II filter allows the accurate observation of planetary nebulae, emission nebulae and supernova remnants; narrow band version with 6.5 nm to increase contrast even in difficult urban conditions.
  • High-quality EXPLORE SCIENTIFIC S-II filter
  • Only lets the emission line of ionized sulfur at 672 nm pass
  • Absorbs all other emission lines and almost all artificial light
  • For planetary nebulae, emission nebulae and supernovae
  • Band pass width: 6.5 nm
  • Narrow band version for difficult urban conditions
  • Individual test certificate included to guarantee you receive a premium filter

Bresser EXPLORE SCIENTIFIC 2 S-II Nebula Filter 6.5nm

Produkta kods: 46786
269,45 tax incl.

Pre-order. Delivery time from 3 weeks.

Delivery options
Delivery Instore
possibly after 05.01.2026
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Free
Delivery
possibly after 07.01.2026
Courier (Omniva, DPD)
from 10 €
Delivery Bycicle
possibly after 05.01.2026
Bike delivery (in Riga only)
from 9 €
SKU: 46786
Ean: 4007922072708
Manufacturer: Bresser

Condition: New product

269.45
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One of the most important obstacles for the exploration of the night sky is the brightening of the night sky by artificial lighting, such as streetlights. The night sky is not really dark in the vicinity of towns or cities, which reduces the visibility of objects beyond the solar system enormously. Depending on the type of celestial object, it is possible to increase the contrast dramatically by blocking the interfering artificial light .

The EXPLORE SCIENTIFIC S-II filter uses the property of the so-called emission nebulae. These objects glow in certain colors, the so-called emission lines. The emission lines are associated with certain chemical elements - in this case ionized sulfur. The EXPLORE SCIENTIFIC S-II nebula filter blocks all other colors (and thus almost all artificial light) and  lets only the emission lines of ionized sulfur at 672 nm through . The effect is amazing: suddenly, nebulae become visible in places that appear completely empty without the filter. In slightly brightened skies, many planetary nebulae, emission nebulae and supernova remnants can be seen without any difficulties when using this filter. A must for every visual observer and for astrophotography.

EXPLORE SCIENTIFIC nebula filters come with an individual test report - so you can be sure to get high quality filters.


FEATURES
  • Simplifies the observation of planetary nebulae, emission nebulae and supernova remnants
  • Blocks almost all artificial light
  • Only lets the emission lines of ionized sulfur at 672 nm pass
  • Transmission bandwidth: 6.5 nm
  • Allows for more contrast in faint deep sky objects
  • ideal for use near cities, in heavy brightened skies
  • individual test certificate included to guarantee you receive a premium filter

SCOPE OF DELIVERY
  • 1x 2'' S-II nebula filter
Type of ProductTelescope acsessories
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Bresser EXPLORE SCIENTIFIC 2 S-II Nebula Filter 6.5nm

Bresser EXPLORE SCIENTIFIC 2 S-II Nebula Filter 6.5nm

The EXPLORE SCIENTIFIC S-II filter allows the accurate observation of planetary nebulae, emission nebulae and supernova remnants; narrow band version with 6.5 nm to increase contrast even in difficult urban conditions.
  • High-quality EXPLORE SCIENTIFIC S-II filter
  • Only lets the emission line of ionized sulfur at 672 nm pass
  • Absorbs all other emission lines and almost all artificial light
  • For planetary nebulae, emission nebulae and supernovae
  • Band pass width: 6.5 nm
  • Narrow band version for difficult urban conditions
  • Individual test certificate included to guarantee you receive a premium filter

Write a review