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1/2” DIAMETER ROUND FILTERS, UNMOUNTED
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Designed
for mounting in 2, 6, or 10 position filter sliders (stk. #17050, #17052,
#17053) or either of the dual filter wheels of the SSP-7 Precision Photometer
(stk. #17700).
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17030
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Neutral Density filter, 1%, recommended for SSP-7
photometer.
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$50.00
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17031
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Johnson U (Ultra-Violet) filter.
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$70.00
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17032
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Johnson B (Blue) filter. (transmission
curve)
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$80.00
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17033
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Johnson V (Visual) filter. (transmission
curve)
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$70.00
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17034
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Johnson R (Red) filter. (transmission
curve)
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$70.00
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17035
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Johnson I (Infrared) filter. (transmission curve)
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$70.00
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17036
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Clear filter window.
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$30.00
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17137
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J-band filter, 1.25 mm CW, .28mm
BW, for SSP-4 infrared photometer.
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$300.00
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17138
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H-band filter, 1.65 mm CW, .3mm BW,
for SSP-4 infrared photometer.
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$300.00
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17037
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Wing MA 712 nm CW, 10 nm BW filter for SSP-3 or
CCD’s. (transmission
curve)
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$130.00
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17038
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Wing MB
754 nm CW, 10 nm BW filter for SSP-3 or CCD’s. (transmission
curve)
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$130.00
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17039
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Wing MI
1025 nm CW, 40 nm BW filter for SSP-3 or CCD’s. (transmission
curve)
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$135.00
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17041
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Johnson U (Ultra-violet) filter for SSP-5
equipped with R4040 PMT.
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$70.00
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17042
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Discontinued - specify Stk.# 17032.
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17043
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Johnson V (Visual) filter for SSP-5 equipped with
R4040 PMT. (transmission
curve)
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$70.00
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17045
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Strömgren u
(ultra-violet) filter for SSP-5, SSP-7 or CCD’s.
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$95.00
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17046
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Strömgren v (violet)
filter for SSP-5, SSP-7 or CCD’s. (transmission
curve)
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$95.00
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17047
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Strömgren b (blue)
filter for SSP-5, SSP-7 or CCD’s. (transmission
curve)
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$95.00
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17048
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Strömgren y (yellow)
filter for SSP-5, SSP-7 or CCD’s. (transmission
curve)
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$95.00
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17049
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Hß narrow and wide band
filter set for SSP-5, SSP-7 or CCD’s. (transmission
curve)
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$95.00
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Set of two interference filters used to
study the strength of Hß absorption at 4861Å. The narrow band filter has a halfwidth (FWHM) of 3 nm and the
wide band filter has a halfwidth of 15 nm.
These two filters must be used together and are often used in conjunction
with the Strömgren four-color filter set.
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17121
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Tri-color R filter for PFE-1, requires
IR blocking filter (#17130 below) (transmission
curve)
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$40.00
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17122
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Tri-color G filter for PFE-1, requires
IR blocking filter (#17130 below) (transmission
curve)
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$40.00
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17123
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Tri-color B filter for PFE-1, requires
IR blocking filter (#17130 below) (transmission
curve)
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$40.00
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17125
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Tri-color RGB filter set for PFE-1, requires
IR blocking filter (#17130 below)
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$95.00
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1” DIAMETER ROUND FILTERS, MOUNTED
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These
filters are mounted in 1¼” threaded cell for use with many screw-in type
filter wheels or any adapter, which accepts 1¼” filter cells.
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17130
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IR blocking filter, 25.4mm diameter. (transmission
curve)
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$95.00
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17132
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Johnson B filter, 25.4mm diameter, 7mm thickness.
(transmission
curve)
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$120.00
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17133
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Johnson V filter,
25.4mm diameter, 7mm thickness. (transmission
curve)
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$120.00
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17134
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Johnson R filter,
25.4mm diameter, 7mm thickness. (transmission
curve)
|
$135.00
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17135
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Johnson I filter,
25.4mm diameter, 7mm thickness. (transmission
curve)
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$120.00
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17136
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Clear filter, 25.4mm
diameter, 7mm thickness.
|
$95.00
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17149
|
Hß narrow and wide band
filter set, 25.4mm diameter. (transmission
curve)
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$150.00
|
|
|
Set of two interference filters used to
study the strength of Hß absorption at 4861Å. The narrow band filter has a halfwidth (FWHM) of 3 nm and the
wide band filter has a halfwidth of 15 nm.
These two filters must be used together and are often used in
conjunction with the Strömgren four-color filter set.
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2” DIAMETER ROUND FILTERS, MOUNTED
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Glass
filters mounted in 48mm threaded cell for insertion into 2”eyepiece or
MAXfield/WideField/Ultra WideField.
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17430
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Violet light rejection filter, mounted in 48mm threaded cell. (transmission
curve)
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$40.00
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17431
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#8 Pale Yellow, mounted in 48mm threaded cell. (transmission
curve)
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$40.00
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17432
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Premium UV blocking filter with 435nm cutoff, mounted in 48mm
threaded cell.
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$55.00
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17433
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#21 Orange, mounted in 48mm threaded cell. (transmission
curve)
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$40.00
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17435
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#23A Light Red, mounted in 48mm threaded cell. (transmission
curve)
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$40.00
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17436
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#47B Blue, mounted in 48mm
threaded cell. (transmission
curve)
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$40.00
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17437
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#29 Deep Red, mounted in 48mm threaded cell. (transmission
curve)
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$40.00
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17438
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#58 Light
Green, mounted in 48mm threaded cell. (transmission
curve)
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$40.00
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17439
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#80A Medium Blue, mounted in 48mm threaded cell. (transmission
curve)
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$40.00
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17440
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IR Blocking Filter, mounted in 48mm threaded cell.
(transmission
curve)
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$95.00
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17266
|
Optec Deep Sky Filter, mounted in 48mm threaded
cell. (transmission curve)
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$195.00
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2”
DIAMETER ROUND FILTERS, UNMOUNTED
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50mm
filters designed for factory installation into our 5-position IFW filter
wheel or MAXfilter 3-position slider.
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17229
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Violet rejection filter, 50mm diameter, 2mm thick. (transmission
curve)
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$40.00
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17230
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Clear window, 50mm diameter, 2mm thick.
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$40.00
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17231
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#8 Pale Yellow, 50mm diameter, 2mm thick.
(transmission
curve)
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$40.00
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17232
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#12 Yellow, 50mm diameter, 2mm thick. (transmission
curve)
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$40.00
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17233
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#21 Orange, 50mm diameter, 2mm thick. (transmission
curve)
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$40.00
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17235
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#23A Light Red, 50mmm diameter, 2mm thick.
(transmission
curve)
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$40.00
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17236
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#47B Blue, 50mm diameter,
2mm thick. (transmission
curve)
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$40.00
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17237
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#29 Deep Red, 50mm diameter, 2mm thick. (transmission
curve)
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$40.00
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17238
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#58 Light Green, 50mm diameter, 2mm thick. (transmission
curve)
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$40.00
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17239
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#80A Medium Blue, 50mm diameter, 2mm thick. (transmission
curve)
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$40.00
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17240
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ND 0.6 (25% T), Neutral Density 25% transmission, 50mm dia. (transmission
curve)
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$40.00
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17242
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Dichroic CYAN filter for 4-color imaging, 50mm dia., 2mm thick. (transmission
curve)
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$55.00
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17243
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Dichroic MAGENTA filter, 4-color imaging, 50mm dia., 2mm thick. (transmission
curve)
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$55.00
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17244
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Dichroic YELLOW filter, 4-color imaging, 50mm dia., 2mm thick. (transmission
curve)
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$55.00
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17252
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Dichroic CYAN-IR
filter, 50mm dia, 4mm thick. (transmission
curve)
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$115.00
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17253
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Dichroic MAGENTA-IR filter, 50mm
dia, 4mm thick. (transmission
curve)
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$125.00
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17254
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Dichroic YELLOW-IR filter, 50mm
dia, 4mm thick. (transmission
curve)
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$125.00
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17245
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Special CMY-IR
Subtractive Filter Set, 50mm dia.,4mm thick.
|
$295.00
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17442
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Dichroic RED filter for Tri-Color Imaging, 50mm dia., 2mm thick. (transmission curve)
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$55.00
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17443
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Dichroic GREEN filter, Tri-Color Imaging, 50mm dia., 2mm thick. (transmission
curve)
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$55.00
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17444
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Dichroic BLUE filter for Tri-Color Imaging, 50mm dia., 2mm thick. (transmission
curve)
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$55.00
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17246
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Dichroic RED-IR filter for Tri-Color
Imaging, 50mm, 4mm thick. (transmission
curve)
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$125.00
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17247
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Dichroic GREEN-IR filter, Tri-Color
Imaging, 50mm, 4mm thick. (transmission
curve)
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$115.00
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17248
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Dichroic BLUE-IR filter for
Tri-Color Imaging, 50mm, 4mm thick. (transmission
curve)
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$115.00
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17445
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Special RGB-IR
Tri-Color Imaging Filter Set, 50mm, 4mm thick.
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$295.00
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17241
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Luminance filter with IR-Blocking, 50mm dia., 4mm thick.
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$95.00
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17255
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Clear filter for use with LRGB-IR filters, 50mm dia., 4mm thick.
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$55.00
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17251
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Precision Clear filter for use with Bessell set, 50mm dia., 5mm
thick, ½ wave, A/R coated.
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$65.00
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17250
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Bessell specification U filter for photometry, 50mm dia., 5mm thick.
(transmission
curve)
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$295.00
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17446
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Bessell specification B filter for photometry, 50mm dia., 5mm thick.
(transmission
curve)
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$295.00
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17447
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Bessell specification V filter for photometry, 50mm dia., 5mm thick. (transmission
curve)
|
$250.00
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17448
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Bessell specification R filter for photometry, 50mm dia., 5mm thick.
(transmission
curve)
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$250.00
|
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17449
|
Bessell specification I filter for photometry, 50mm dia., 5mm thick.
(transmission
curve)
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$150.00
|
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17260
|
Custom Scientific
H-alpha filter, 656.3nm CW/ 3nm BW, 50mm dia., 5mm thick.
|
$475.00
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17262
|
Custom Scientific O-III
filter, 500.7nm CW/ 3nm BW, 50mm dia., 5mm thick.
|
$475.00
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17264
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Custom Scientific
H-beta filter, 486.1nm CW/ 3nm BW, 50mm dia., 5mm thick.
|
$475.00
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17267
|
Optec Deep Sky filter,
mounted in 50mm bushing, 4mm thick – NEW!!!
|
$195.00
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CUSTOM OPTICAL SERVICES
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17999
|
Custom transmission curve, 350nm to 1090nm. (No charge for filters priced $100 & up.)
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$10.00
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17299
|
Custom mount user-supplied 50mm (nominal) filter
into IFW 5-position wheel.
|
$10.00
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Contents Copyright 1994-2003 Company Seven All Rights Reserved
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C-7 News 
