Askar M48 Backfocus Adjuster
Back focus can be a challenge for astrophotographers utilizing different combinations of equipment. This backfocus adjuster from Askar will provide an adjustable amount of additional back focus between 16 mm and 20 mm. This adjuster has a camera side threading of M48.
This M48 Backfocus Adjuster from Askar has a telescope-side female thread of M54x0.75, with a camera-side male thread of M48x0.75. The overall thickness is 18 mm and provides backfocus adjustment in increments of around 2 mm.
This backfocus adjuster is CNC machine and provides two holes for fixing screws, allowing it to be used with a variety of different products.
Only logged in customers who have purchased this product may leave a review.
Related products
Solar Filters
Telescope-Solar Filters-AstroZap Baader Solar Filter For 11″ SCT and 306 mm – 316 mm OD Telescopes
Solar Filters
Solar Filters
Telescope-Solar Filters-AstroZap Baader Solar Filter for 6″ SCT and 174 mm – 184 mm OD Telescopes
Solar Filters
Telescope-Solar Filters-AstroZap Visual Baader Solar Filter for 145 mm – 155 mm OD Telescopes
Solar Filters
Telescope-Solar Filters-AstroZap Visual Baader Solar Filter for 215 mm – 225 mm OD Telescopes
Solar Filters
Telescope-Solar Filters-AstroZap Visual Baader Solar Filter for 120 mm – 130 mm OD Telescopes
Solar Filters
Telescope-Solar Filters-AstroZap Baader Solar Filter for ETX 90 and 90 mm – 100 mm Telescopes
Solar Filters
what our customer say this product:
There are no reviews yet