Manufacturer: Baader
Product number: BA2459337

EUR 55,00


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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  • Details..
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Baader filter film for solar oberving enjoy great popularity - worldwide

In opposite to many glass solar filters, Baader AstroSolar Safety Film fullfills highest requirements for image quality and safety. Now Baader also offers professional cells which hold the film without tension, ensuring high image quality and best safety.


ASSF - AstroSolar Spotting Scope Filters - High-End Solar Filters:

This family of filters offers a very stable solution for all spotting scopes, telephoto lenses and amateur telesopes up to 120x magnification. The AstroSolar filter material is glued to a plastic ring which serves as reinforcement to the aluminium front cell. The thermal expansion coefficients of aluminium and the used plastic are similar.


ASSF filters (apertures 50 and 115) are delivered with a set of centering pins of 12 mm diameter and 24 mm length. ASFF filters 130 and 150 contain a set of centering pins of 10 mm diameter and 38 mm length.


All Baader Solar Filter sets contain:
original Baader AstroSolar® Safety Film (OD 5.0), mounted and quality checked by experienced members of our company.
pure white, IR-reflecting aluminum front ring with stiffened inner and outer rims, shaped to protect the filter material against contact with sharp metal edges
three centering pins with brass inlays are used for centering the filter cell at the front of spotting scope. These pins have three different diameters, depending upon the filter category (ASTF / ASSF / ASBF). Every pin has a corrugated rubber coating which makes sliding onto the spotting scope tube easy, but prevents from unintended slipping back.
the pins can be fixed without tool and allow engagement on a multitude of tube diameters. The pins fit as well to the outer side of the tube as on the inner one (if possible at all).
sliding aluminium blocks hold the pins. The blocks don´t turn and have a milled index pointing to a printed scale.
inserted cross-head srews allow additional tightening of the pins with a screwdriver
for fast and reproducible centering of the filter to different tubes, there is a scale next to every adjustment hole
shiftable black closing plates cover the adjustment holes and prevents unfiltered light from falling into the optics
three rubber plugs are used for closing unused adjustment holes
three safety belts with velcro and self-adhesive counterparts are used to fix the position of the filter in front of the spotting scope
the front side of every filer contains the warning sign: "Read the Instructions before use"
robust shipping cardboard box


Instruction
Baader offers a very good manual, the PDF can be downloaded here.
Clear aperture of the sun filter:3.15" (80 mm)
Outer clamping range:3.35" to 3.94" (85 mm to 100 mm)
Inner clamping range:4.37" to 4.96" (111 mm to 126 mm)
Filter film:Baader AstroSolar Film ND5.0
Cell:aluminium cell with pin set (0.94"/24 mm length)
Baader AstroSolar solar filter in cell
2 sets centering pins, rubber coated (length 24 mm)
Robust cardboard box



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Reviews

Written by Thorsten Alteholz
on 2022-07-09

einwandfrei

Written by Horst Franzen
on 2021-06-01

" Ist zur Sonnenbeobachtung und Fotographie gedacht"

Written by Gerburg Unger
on 2017-10-11

"Sehr gute Verarbeitung. Ich empfehle allerdings bei der Auswahl der Größe lieber einen etwas größeren Durchmesser zu nehmen. Objektiveinfassungen oder Taukappen sind oft im Durchmesser etwas größer."

Written by Michael Wilkinson
on 2017-03-01

"Very nicely made solar filter. Fits the Canon 100-400mm zoom neatly"

Written by Michael Peters
on 2016-04-23

"Ein hervorragender Filter in herausragender Baader-Planetarium Qualität."