Baader Solar Filter ASTF for 120-160mm Telescope Tubes

Further details

Baader ASTF Astro Solar Filter for telescopes enables safe observation of the sun - filter aperture 100 mm, for telescope tube diameters 120 mm to 160 mm. The ideal size for the popular 127mm Maks such as SkyWatcher SkyMax 127 and Celestron NexStar 127 telescopes

Please note the measurements are for tube diameters not optical sizes

ASTF - AstroSolar Telescope Filters - High End Solar Filters

Baader AstroSolar® Safety Film (OD 5.0), cell mounted and quality inspected by skilled members of our staff

Clear white IR-rejecting front ring with reinforcing raised edges along the outer and inner circumference,
designed to protect the solar filter material from contact with any sharp metal edge

3 injection molded centering-bolts with threaded brass inserts to center the filter-cell in front of the tube opening.
These bolts come in three different diameters, depending on the filter category (ASTF/ASSF/ASBF). Each bolt
features injection molded rubber grip-faces, shaped to easily slide onto any telescope tube securely

No tool mounting and adjustment of the centering bolts to fit a wide variety of mechanical tube diameters. Bolts made
to contact the outside or optional (if appropriate) the inside of the optical instrument tube

Non-rotating sliding fasteners made from aluminum that hold the centering bolts. These metal sliders are equipped
with a machined indicator to point towards the adjustment index· additional Phillips screws are integrated into the sliding fasteners, so that the centering bolts can be firmly fastened with a screw driver if preferred by the user

Index scale provided beside each adjustment slot – adjacent to each sliding fastener, for fast and repeatable adjustment of the filter cell onto different telescope tubes

Black sliding washers supplied to securely cover the full length of the adjustment slots in the aluminum frame for blocking sunlight from passing trough the filter cell beside the filter area

Warning text printed onto the front side of each filter cell: Read the Instructions before use

All Filters feature clear white aluminum front frames, powder coated with IR (heat!) rejecting paint

Delivery charge £5.95