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gabi

22 Sep 2010 08:26



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Brosura filtre Baader, partial.

The set consists of following colors (Note the
spectral trace for each color!)
&#57454; Dark blue (435 nm) # 2458302
&#57454; Bright blue (470 nm) # 2458303
&#57454; Green (500 nm) # 2458304
&#57454; Yellow (495 nm) # 2458301
&#57454; Orange (570 nm) # 2458306
&#57454; Red (6 1 0 nm) # 2458307
Transmission efficiencies for the three longpassfilters
(Yellow, orange and red) peaks at 98 %,
while the efficiency for the three bandpass-filters
peaks at almost 70 percent &#8211; unheard of for a
simple colored glass-filter!
All filters have standard 11&#8260;4&#8220; eyepiece filter
threads, tested and optimized to fit allmost all
eyepieces on the market. Each filtercell has a male
as well as a female thread to allow stacking for
narrower passbands or to combine with our UV/IRCut-
filter. The combination of the red
RG 610 (# 2458307) and IR-Cut-filter (# 2459207)
for instance results in an extremely narrow H-&#945;
passband-filter &#8211; at an incredibly cheap price.

Gabi.

