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solar filters

Baader AstroSolar Binocular Filter 70mm For 60-80mm Binoculars - ASBF-70

Baader Planetarium   ——   SKU: BAA-ASBF-70
$77.00 CAD
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Baader AstroSolar Binocular Filter 70mm For 60-80mm Binoculars

  • Safe solar observation with all types of binoculars / safe solar photography with all camera lenses
  • AstroSolar Safety Film OD 5.0, mounted stress free in high-quality cell
  • One side of filter cell shortened for use with binoculars. Two filters are mandatory for binocular observation, mentioned price is for one piece only
  • Scope of supply: ASBF Filter (Apertures 50 to 100mm) come with three centering bolts of 13mm diameter and 24 mm height, adjustable to the tube diameter of your binocular. In addition three safety straps with glue-pads and mounting instructions

Baader Solar Filters provide a professional and secure solution to observe and image the Sun using AstroSolar® Safety Film Optical Density of 5.0. Many ready made filters do stretch the filter material like a drumhead in order to make it look like a piece of glass – this absolutely destroys the image quality, rendering the film useless for high magnification work. AstroSolar must be mounted entirely stress free in order to perform like a high precision flat window. It sounds like a contradiction with traditional perception of quality, but AstroSolar must show slight ripples! With this specially designed mounting, the Baader AstroSolar Telescope Filter with Optical Density of 5.0 provides exceptional optical imagery. In fact, after 15 years of offering AstroSolar film sheets as a DIY-product, this system of Baader Solar Filters™ is designed to retain the true optical quality of the diffraction-limited AstroSolar Safety Film, even used at high magnifications.

Specifications:

FILTER SIZE 70 mm
MANUFACTURER Baader Planetarium
SKU (#) 2459327
USAGE Visual solar observation and imaging
ASTROSOLAR FILM AstroSolar Safety Film
OPTICAL DENSITY 5.0
INNER DIAMETER / CLEAR APERTURE (MM) 70
OUTER DIAMETER 130
FILTER MOUNTED? Yes
OUTER CLAMPING RANGE (13MM BOLTS) 75 – 90
INNER CLAMPING RANGE (13MM BOLTS) 101 – 116
SOLAR WAVELENGTH White light
Baader AstroSolar Binocular Filter 70mm For 60-80mm Binoculars - ASBF-70 for $77.00 at Khan Scope Centre Baader AstroSolar Binocular Filter 70mm For 60-80mm Binoculars - ASBF-70 for $77.00 at Khan Scope Centre
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