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Filtr słoneczny ClearWhite Baader ASTF 200 AstroSolar OD 5.1 200 mm

Filtr słoneczny ClearWhite Baader ASTF 200 AstroSolar OD 5.1 200 mm
Filtr słoneczny ClearWhite Baader ASTF 200 AstroSolar OD 5.1 200 mm
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R4,057
+R14 Reward
With an optical density of 5.1, this Baader filter blocks 99.999% of harmful solar radiation, allowing safe, high-resolution white light observation of the Sun's photosphere. The 200 mm clear aperture fits telescopes with a matching objective diameter, delivering a natural white solar image with dif... Read More
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Stock 3 Code 3437002 Brand BAADER Model 2423016 Warranty 2 Years

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Estimated delivery Thursday, October 1
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With an optical density of 5.1, this Baader filter blocks 99.999% of harmful solar radiation, allowing safe, high-resolution white light observation of the Sun's photosphere. The 200 mm clear aperture fits telescopes with a matching objective diameter, delivering a natural white solar image with diffraction-limited performance.

Overview

The Baader ASTF 200 AstroSolar Safety Filter is a front-end objective filter designed for visual solar observation. It uses Baader's AstroSolar Safety Film, a 0.012 mm thick polymer film with a light transmission of just 0.000008%, ensuring complete protection against UV, IR, and visible light. The filter cell is machined from anodized aluminum and attaches securely to the telescope tube via three adjustable screws with plastic tips, preventing damage to the optical tube assembly.

What stands out

  • Certified to EN ISO 12312-2:2015 for direct solar viewing
  • Natural white solar image with no colour cast
  • Diffraction-limited optical quality preserves fine detail
  • Includes protective storage box for safe transport
  • Easy installation without tools

Technical details

  • Filter type: AstroSolar Safety Filter
  • Optical density: 5.1
  • Clear aperture: 200 mm
  • Film technology: Baader AstroSolar Safety Film
  • Observation mode: Visual solar observation
  • Mounting: Front-end telescope objective filter
  • Compatible telescope aperture: 200 mm
  • Solar image colour: Natural white
  • Safety certification: CE certified (EN ISO 12312-2:2015)
  • Filter cell material: Anodized aluminum
  • Mounting mechanism: Three adjustable screws with plastic tips
  • Protection: Blocks 99.999% of harmful UV, IR, and visible light
  • Resolution: Diffraction-limited
  • Storage: Includes protective storage box
  • Film thickness: 0.012 mm
  • Light transmission: 0.000008%
  • Series: ASTF (AstroSolar Telescope Filter)

Our verdict

A premium solar filter that combines certified safety with exceptional optical performance. The 200 mm aperture is ideal for detailed sunspot and granulation observation, and the natural white image is a joy to view. The robust aluminum cell and included storage box make it a reliable companion for any solar observer.

Specifications
Brand
Baader
Category
Telescope Filters
Depth
20 mm
EAN
4047825062192
Height
220 mm
Master (outer) case gross weight
10000 g
Master (outer) case height
300 mm
Master (outer) case length
400 mm
Master (outer) case width
300 mm
Model
ASTF 200 AstroSolar Safety Filter OD 5.1
MPN
2423016
Operating relative humidity (H-H)
10 - 90%
Operating temperature (T-T)
-20 - 60 °C
Package depth
250 mm
Package height
80 mm
Package weight
800 g
Package width
250 mm
Product colour
Black
Storage temperature (T-T)
-30 - 70 °C
Weight
1.43 kg
Width
220 mm
Price history over the last 6 months
Filtr słoneczny ClearWhite Baader ASTF 200 AstroSolar OD 5.1 200 mm
Current
R4,057
Lowest
R3,906
Highest
R4,057
Change 24H
+R147   +4%
Week
—   
Month
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