Thread: [SOLD] Solar Hershel Wedge Ca 3nm Antlia Filter
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Old 19-08-2024, 04:17 PM
Cliff (Clifford)
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Cliff is offline 		 
Join Date: Feb 2019
Location: Sydney, Australia
Posts: 130
Solar Hershel Wedge Ca 3nm Antlia Filter
I purchased this as a trial and it does show more 'surface detail' of the Sun similar to a Continuum filter. Not a true Angstrom Ca filter though.

Not recommended for visual use !
For Photography shows good surface detail

$550 on Aliexpress

Asking $250 ono

pickup 2213 or post
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Last edited by Cliff; 28-08-2024 at 08:45 PM. Reason: Sold