Bessell-U, bless You.

YouVIart

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Wessex Solstice, BG38 & Bessell-U filters by the dying light of the longest day.
Some shots handheld; some shots cheating with tripod.
Ultraviolet and visible light, a bit too breezy for UV. But I can't control the weather, so had a go any way.
 

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JCDowdy

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John C. Dowdy, Ph.D.
Klaus,
Bessel U band astronomy filter.
Omega SKU: XBSSL/U but rather thick at 5mm. 25mm US$100
HORBIA XBSSL/U/SBIG 1.0mm UG1, 1.0mm S8612, 3.0mm WG 305, 1.25" eyepiece £128
Nothing likely to get your pulse up!
- JD
 

kds315

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Dr Klaus Schmitt
I know that filter and many other astro related UV transmitting filters, just haven't seen many flowers shot with them ;-)
Most have leakage issues anyway...I tried of few.
 

YouVIart

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Aug 17, 2013
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The only commercial UV filter I have, at the moment, so may as well bung-some-up. Schott BG38, BG39 or BG40, will all rid Bessell-U of it's small IR leak.
 

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kds315

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Dr Klaus Schmitt
Never had a deteriorated one, except some very old glass samples I once got which may have been stored not dry.
 

YouVIart

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Kingdom Of Wessex
Bessell-U & BG38 Foundling Foursome.

Last few photos, using Bessell-U with BG38 comparison shots.
 

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YouVIart

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Evening Flowering With My Best Bessell.

Bessell-U, Bessell-Unique and Heliopan BG38, all meet for a flower feast shoot out.
 

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