Important Note: For safety reasons, we cannot accept returns of this item once the sealed filter box has been opened. Please measure your optical instrument's tube diameter accurately BEFORE ordering a filter to make sure that you order the correct size.
	
Quick Overview
	
	
Baader # ASTF-200 AstroSolar solar filter with temperature-compensated cell for all telescopes (refractors, reflectors, & catadioptrics)
	
200mm filter aperture
	
Suitable for high resolution, high magnification applications over a wide range of temperature conditions
	
Includes mounting accessories (centering bolts, sliding washers, fasteners, and safety straps)
	
Filter can be attached to items with an outside diameter (not aperture) of 220 - 260mm (8.66 - 10.23")
	
Sold individually
	
Item number: ASTF-200 or 2459316
	
AstroSolar film aperture: 200mm (7.87")
	
Outside diameter clamping range (with included 10mm bolts): 230 - 260mm (9.05 - 10.23")
	
Inside diameter clamping range (with included 10mm bolts): 250 - 280mm (9.84 - 11.02"). See additional info below.
	
Outside diameter clamping range (with included 20mm bolts): 220 - 250mm (8.66 - 9.84")
	
Inside diameter clamping range (with included 20mm bolts): 260 - 290mm (10.23 - 11.41"). See additional info below.
	
Suited for aperture range: 190 - 210mm (7.48 - 8.26")
	
Outside diameter of filter cell: 290mm (11.41")
	
Weight: 7.3oz / 207g