Megaprime Interference Filters


HTML version created by David Bohlender.

Maintained by Greg Barrick

Send comments to barrick@cfht.hawaii.edu.

If available, transmission curves can be viewed by clicking on the appropriate filter number. ASCII data is now available by clicking on data.

Set Filter Number and ASCII Data Central Wavelength (Å) Bandwidth (Å) Max. Trans. (%) Size (mm) Shape Thickness (mm) For Use With... Location Comments Status Date Received
Halpha off 7604 data 6453 90 94 165x250 rectangle 7.11 cfh12k megaprime --- --- Good 9/1/1998
H-alpha on 7605 data 6584 76 96 165x250 rectangle 6.86 cfh12k megaprime --- F/4 Good 4/28/1999
TiO 7701 data 7777 184 92 165x250 rectangle 7.04 cfh12k megaprime --- --- Good 9/1/1998
CN 7803 data 8120 161 95 165x250 rectangle 8.4 cfh12k megaprime --- --- Good 4/1/2000
NB920 7902 data 9207 239 36 165x250 rectangle ? cfh12k megaprime --- Not for public use Good 7/28/2003
U' 9301 data 3743 758 77.5 300 square 10 megaprime --- --- Good 8/1/2002
u' 9302 data 3538 868 96 300x350 rectangle 10.11 megaprime --- Asahi Good 8/18/2014
CaHK 9303 data 3952 97.6 90.7 300x350 rectangle 13.25 megaprime --- --- Good 11/05/2014
G' 9401 data 4872 1455 93.5 300 square 5 megaprime --- --- Good 8/1/2002
g' 9402 data 4720 1520 98.0 300x350 rectangle 13.26 megaprime --- Faint Hazy Area Good 10/21/2014
OIII 9501 data 5007 102 91.3 300x350 rectangle 13.24 megaprime --- --- Good 09/29/2014
OIII Off 9502 data 5105 101 93.4 300x350 rectangle 13.24 megaprime --- Hazy Area on Blocking Side Good 10/02/2014
R' 9601 data 6282 1219 96.3 300 square 5 megaprime --- --- Good 8/1/2002
r' 9602 data 6404 1480 99.7 300x350 rectangle 13.29 megaprime --- --- Good 9/8/2014
Halpha 9603 data 6591 106 93.2 300x350 rectangle 13.25 megaprime --- Hazy Area on Blocking Side Good 6/20/2014
Halpha Off 9604 data 6719 109 95.2 300x350 rectangle 13.25 megaprime --- --- Good 7/14/2014
I' 9701 data 7776 1508 98 300 square 5 megaprime --- --- Broken 8/1/2002
I' #2 9702 data 7644 1603 95.7 300 square 5.31 megaprime --- --- Good 10/10/2007
i' 9703 data 7764 1554 99.4 300x350 rectangle 13.20 megaprime --- --- Good 9/8/2014
Z' 9801 data 11702 6868 95 300 square 5 megaprime --- --- Good 8/1/2002
z' 9901 data 9256 1538 99.1 300x350 rectangle 13.31 megaprime --- --- Good 10/23/2014