Has anyone found a source for replacement objectives for the PST?
Looks like a coated lens 44mm diameter and 400 mm fl
Checked out the usual suspects and didn't find anything......
Replacement PST objectives?
- Merlin66
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Replacement PST objectives?
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer