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OUTDOOR
OUTDOOR
Binoculars
Binoculars
10x26
8x26
10x42
8X42
Monoculars
Monoculars
8x25
10x25
8X42 K9
10X42 K9
12X50 K9
8X42 BAK4
10X42 BAK4
Spotting Scopes
Spotting Scopes
15-45x60
16-48x65
20-60x80
Tripod Adapters
Tripod Adapters
Binocular Tripod Adapter
L Type Binocular Tripod Adapter
SOLAR FILTERS
SOLAR FILTERS
Solar Eclipse Glasses
Solar Filters
Solar Filters
50mm - 72mm
70mm - 92mm
90mm - 112mm
110mm - 132mm
130mm - 152mm
150mm - 172mm
170mm - 192mm
190mm - 222mm
220mm - 252mm
70mm
90mm
114mm
130mm
System Imager
MOUNTINGS
MOUNTINGS
Telescope Adapters
Camera Adapters
T Ring Adapters
Phone Adapters
Telescope Extensions
Mounting Plates&Clamps
EYEPIECES
EYEPIECES
42-50° Plossl Eyepieces
42-50° Plossl Eyepieces
1.25" 4MM
1.25" 6MM
1.25" 8MM
1.25" 10MM
1.25" 12.5MM
1.25" 13MM
1.25" 15MM
1.25" 17MM
1.25" 20MM
1.25" 25MM
1.25" 32MM
1.25" 40MM
2" 56MM
46-52° Super Plossl Eyepieces
46-52° Super Plossl Eyepieces
1.25" 4MM
1.25" 6.3MM
1.25" 7.5MM
1.25" 10MM
1.25" 12.5MM
1.25" 15MM
1.25" 17MM
1.25" 20MM
1.25" 26MM
1.25" 32MM
1.25" 40MM
2" 56MM
55° Kellner FMC Eyepieces
55° Kellner FMC Eyepieces
26MM
32MM
40MM
55-65° Flat Field Eyepieces
55-65° Flat Field Eyepieces
8MM
16MM
19MM
27MM
58° Planetary Eyepieces
58° Planetary Eyepieces
2.5MM
3.2MM
4MM
4.5MM
5MM
6MM
7MM
7.5MM
8MM
9MM
15MM
20MM
25MM
66° Ultra Wide Angle Eyepieces
66° Ultra Wide Angle Eyepieces
6MM
9MM
15MM
20MM
82° SWA
70° SWA Eyepieces
70° SWA Eyepieces
70° 3.5MM
70° 5MM
70° 8MM
70° 13MM
70° 17MM
70° 22MM
70° 32MM
80° Ultra Wide Eyepieces
80° Ultra Wide Eyepieces
1.25" 11MM
1.25" 16MM
2" 15MM
2" 20MM
2" 30MM
82° SWA Compact Eyepieces
82° SWA Compact Eyepieces
82° 7MM
82° 10MM
82° 15MM
82° 19MM
82° 23MM
82° 32MM
Collimating Cheshire & Zoom Eyepieces
Collimating Cheshire & Zoom Eyepieces
7-21MM
8-24MM
Long Version
Short Version
12.5mm Illuminated
12mm Illuminated
9mm Illuminated
Telescope Eyepiece & Filter Set
Telescope Eyepiece & Filter Set
1.25"
2"
FILTERS
FILTERS
Moon Filters
Moon Filters
1.25" Moon ND96-0.3
2" Moon ND96-0.3
1.25" Moon ND96-0.6
2" Moon ND96-0.6
1.25" Moon ND96-0.9
2" Moon ND96-0.9
1.25" Moon / Skyglow Filter
2" Moon / Skyglow Filter
1.25" Crystalview Moon Filter
2" Crystalview Moon Filter
1.25" Polarizing Filter #2
2" Polarizing Filter #2
1.25" Polarizing Filter #3
2" Polarizing Filter #3
Color / Planetary Filters
Color / Planetary Filters
1.25" - #25 Red
2" - #25 Red
1.25" - #8 Yellow
2" - #8 Yellow
1.25" - #80A Blue
2" - #80A Blue
1.25" - #56 Green
2" - #56 Green
1.25" - #12 Yellow
2" - #12 Yellow
1.25" - #23A Red
2" - #23A Light Red
1.25" - #15 Yellow-Orange
2" - #15 Yellow-Orange
1.25" - #38A Dark Blue
2" - #38A Dark Blue
1.25" - #AC54
2" - #AC54
1.25" - #82A Light Blue
2" - #82A Light Blue
1.25" - #47 Dark Blue
2" - #47 Dark Blue
1.25" - #21 Orange
2" - #21 Orange
1.25" - #58 Dark Green
1.25" Mars Observing Eyepiece Filter
Nebula Filters
Nebula Filters
1.25" O-III
2" O-III
1.25" UHC (Ultra High Contrast)
2" UHC (Ultra High Contrast)
1.25" Blue
2" Blue
1.25" Luminance
2" Luminance
1.25" Red
2" Red
1.25" Green
2" Green
1.25" H-Beta
2" H-Beta
1.25" Nebula Red
2" Nebula Red
1.25" IR CUT
2" IR CUT
1.25" Narrowband NBPF H ydrogen-a 12nm
2" Narrowband NBPF H ydrogen-a 12nm
1.25" H-Alpha Night Sky
1.25" S-ll
2" Narrowband Dark Sky-N1
2" 12nm S-ll
2" Polarizing Filter
UV/IR Filters
UV/IR Filters
1.25"
2"
Polarizing Filters
Polarizing Filters
1.25"
2"
LRGB
LRGB
1.25"
2"
Kits
Kits
1.25" Astronomical Telescope Accessory Kit
2" Eyepiece and Filter Kit Deluxe Version
1.25" Eyepiece and Filter Kit Deluxe Version
1.25" Color Filter Set (7 pieces)
1.25" Color Filter Set (6 pieces)
1.25" Color Filter Set (4 pieces)
Telescope LRGB 2 Inch Filter Set
Deluxe Telescope LRGB 1.25 Inch Filter Set
Accessory Kit Telescope Fully-coated eyepieces
Ultraviolet (UV) filter/Methane (CH4) filter/Infrared (IR) filter
PRODUCT OVERVIEW
PRODUCT OVERVIEW
Monoculars / Binoculars / Spotting Scopes
Monoculars / Binoculars / Spotting Scopes
Monoculars
Spotting Scopes
Binoculars
Adapters
Tripod Adapters
Solar Filters
Solar Filters
Solar Eclipse Glasses
Solar Filters
System Imager
Camera Adapters
Camera Adapters
Camera Adapters
T Ring Adapters
Phone Adapters
Telescope Extensions
Mounting Plates&Clamps
Telescope Eyepieces
Telescope Eyepieces
42-50° Plossl Eyepieces
46-52° Super Plossl Eyepieces
66° Ultra Wide Angle Eyepieces
70° SWA Eyepieces
82° SWA Compact Eyepieces
Collimating Cheshire & Zoom Eyepieces
55° Kellner FMC Eyepieces
58° Planetary Eyepieces
80° Ultra Wide Eyepieces
55-65° Flat Field Eyepieces
Telescope Eyepiece & Filter Set
Telescope Filters
Telescope Filters
Color / Planetary Filters
Nebula Filters
LRGB
Kits
Filter Wheels
Filter Wheels
9-Position
5-Position
Kits
Barlow Lens
Barlow Lens
2X
2.5X
3X
5X
1.25"
2"
Kit
Telescope Adapter
Telescope Adapter
M48
M42
SCT
M31
M43
M54
C MOUNT
0.965"
7.5mm
1.25"
2"
Diagonal Mirror
Diagonal Mirror
45°
90°
2"
1.25"
SCT
Finder & GuiderScopes
Finder & GuiderScopes
Finder & GuideScopes
Guiding Scope Rings
Guide Scope Mounts
Eyepiece and Filter Kits
Eyepiece and Filter Kits
1.25"
2"
Filter Set
Eyepiece Set
Eyepiece and Filter Kit
Bahtinov Mask
Bahtinov Mask
65-100mm
85-120mm
105-150mm
125-180mm
150-200mm
175-220mm
195-240mm
215-260mm
250-290mm
290-340mm
Starpointer&Collimation
Starpointer&Collimation
Laser Collimator
Reflex Sight
Starpointer
1X40RD
Mount
Reducer Correctors
Reducer Correctors
f/6.3
C-Mount
0.5X
Telescope Focusers
Telescope Focusers
1.25" Focuser
2" Focuser
Electronic Focuser
Dew Shield
Dew Shield
100MM - 123MM
123MM - 142MM
148MM - 167MM
203MM - 221MM
229MM - 249MM
250MM - 270MM
Protective Cover
Protective Cover
Diameter 22.6"
Diameter 30.1"
Diameter 36.4"
Diameter 23.8"
Diameter 30.1"
Diameter 37.6"
Off-Axis Guiders (OAG)
Off-Axis Guiders (OAG)
Off-Axis Guider with Micro-Focusing
High Deluxe Off-Axis Guider
Eyepiece Bags
Eyepiece Bags
Transport Bag
Bumbag
Others
Others
CMOS Camera
Dew Heater Strip
Case
Night Vision
Stereo Bino Viewer
EQ-5
2" Field Flattener
ADC
Flip Mirror
Pads
P-Torch PS
Artificial Star Dimmable
Binocular Harness
Dust Caps Set
Cleaning Cloth
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Free Gifts
Clearance Sale
Deals All Under $30.99
For Beginners
Kits & Bundles
Binoculars
10x26
8x26
10x42
8X42
Monoculars
8x25
10x25
8X42 K9
10X42 K9
12X50 K9
8X42 BAK4
10X42 BAK4
Spotting Scopes
15-45x60
16-48x65
20-60x80
Tripod Adapters
Binocular Tripod Adapter
L Type Binocular Tripod Adapter
Solar Eclipse Glasses
Solar Filters
50mm - 72mm
70mm - 92mm
90mm - 112mm
110mm - 132mm
130mm - 152mm
150mm - 172mm
170mm - 192mm
190mm - 222mm
220mm - 252mm
70mm
90mm
114mm
130mm
System Imager
Telescope Adapters
Camera Adapters
T Ring Adapters
Phone Adapters
Telescope Extensions
Mounting Plates&Clamps
42-50° Plossl Eyepieces
1.25" 4MM
1.25" 6MM
1.25" 8MM
1.25" 10MM
1.25" 12.5MM
1.25" 13MM
1.25" 15MM
1.25" 17MM
1.25" 20MM
1.25" 25MM
1.25" 32MM
1.25" 40MM
2" 56MM
46-52° Super Plossl Eyepieces
1.25" 4MM
1.25" 6.3MM
1.25" 7.5MM
1.25" 10MM
1.25" 12.5MM
1.25" 15MM
1.25" 17MM
1.25" 20MM
1.25" 26MM
1.25" 32MM
1.25" 40MM
2" 56MM
55° Kellner FMC Eyepieces
26MM
32MM
40MM
55-65° Flat Field Eyepieces
8MM
16MM
19MM
27MM
58° Planetary Eyepieces
2.5MM
3.2MM
4MM
4.5MM
5MM
6MM
7MM
7.5MM
8MM
9MM
15MM
20MM
25MM
66° Ultra Wide Angle Eyepieces
6MM
9MM
15MM
20MM
82° SWA
70° SWA Eyepieces
70° 3.5MM
70° 5MM
70° 8MM
70° 13MM
70° 17MM
70° 22MM
70° 32MM
80° Ultra Wide Eyepieces
1.25" 11MM
1.25" 16MM
2" 15MM
2" 20MM
2" 30MM
82° SWA Compact Eyepieces
82° 7MM
82° 10MM
82° 15MM
82° 19MM
82° 23MM
82° 32MM
Collimating Cheshire & Zoom Eyepieces
7-21MM
8-24MM
Long Version
Short Version
12.5mm Illuminated
12mm Illuminated
9mm Illuminated
Telescope Eyepiece & Filter Set
1.25"
2"
Moon Filters
1.25" Moon ND96-0.3
2" Moon ND96-0.3
1.25" Moon ND96-0.6
2" Moon ND96-0.6
1.25" Moon ND96-0.9
2" Moon ND96-0.9
1.25" Moon / Skyglow Filter
2" Moon / Skyglow Filter
1.25" Crystalview Moon Filter
2" Crystalview Moon Filter
1.25" Polarizing Filter #2
2" Polarizing Filter #2
1.25" Polarizing Filter #3
2" Polarizing Filter #3
Color / Planetary Filters
1.25" - #25 Red
2" - #25 Red
1.25" - #8 Yellow
2" - #8 Yellow
1.25" - #80A Blue
2" - #80A Blue
1.25" - #56 Green
2" - #56 Green
1.25" - #12 Yellow
2" - #12 Yellow
1.25" - #23A Red
2" - #23A Light Red
1.25" - #15 Yellow-Orange
2" - #15 Yellow-Orange
1.25" - #38A Dark Blue
2" - #38A Dark Blue
1.25" - #AC54
2" - #AC54
1.25" - #82A Light Blue
2" - #82A Light Blue
1.25" - #47 Dark Blue
2" - #47 Dark Blue
1.25" - #21 Orange
2" - #21 Orange
1.25" - #58 Dark Green
1.25" Mars Observing Eyepiece Filter
Nebula Filters
1.25" O-III
2" O-III
1.25" UHC (Ultra High Contrast)
2" UHC (Ultra High Contrast)
1.25" Blue
2" Blue
1.25" Luminance
2" Luminance
1.25" Red
2" Red
1.25" Green
2" Green
1.25" H-Beta
2" H-Beta
1.25" Nebula Red
2" Nebula Red
1.25" IR CUT
2" IR CUT
1.25" Narrowband NBPF H ydrogen-a 12nm
2" Narrowband NBPF H ydrogen-a 12nm
1.25" H-Alpha Night Sky
1.25" S-ll
2" Narrowband Dark Sky-N1
2" 12nm S-ll
2" Polarizing Filter
UV/IR Filters
1.25"
2"
Polarizing Filters
1.25"
2"
LRGB
1.25"
2"
Kits
1.25" Astronomical Telescope Accessory Kit
2" Eyepiece and Filter Kit Deluxe Version
1.25" Eyepiece and Filter Kit Deluxe Version
1.25" Color Filter Set (7 pieces)
1.25" Color Filter Set (6 pieces)
1.25" Color Filter Set (4 pieces)
Telescope LRGB 2 Inch Filter Set
Deluxe Telescope LRGB 1.25 Inch Filter Set
Accessory Kit Telescope Fully-coated eyepieces
Ultraviolet (UV) filter/Methane (CH4) filter/Infrared (IR) filter
Monoculars / Binoculars / Spotting Scopes
Monoculars
Spotting Scopes
Binoculars
Adapters
Tripod Adapters
Solar Filters
Solar Eclipse Glasses
Solar Filters
System Imager
Camera Adapters
Camera Adapters
T Ring Adapters
Phone Adapters
Telescope Extensions
Mounting Plates&Clamps
Telescope Eyepieces
42-50° Plossl Eyepieces
46-52° Super Plossl Eyepieces
66° Ultra Wide Angle Eyepieces
70° SWA Eyepieces
82° SWA Compact Eyepieces
Collimating Cheshire & Zoom Eyepieces
55° Kellner FMC Eyepieces
58° Planetary Eyepieces
80° Ultra Wide Eyepieces
55-65° Flat Field Eyepieces
Telescope Eyepiece & Filter Set
Telescope Filters
Color / Planetary Filters
Nebula Filters
LRGB
Kits
Filter Wheels
9-Position
5-Position
Kits
Barlow Lens
2X
2.5X
3X
5X
1.25"
2"
Kit
Telescope Adapter
M48
M42
SCT
M31
M43
M54
C MOUNT
0.965"
7.5mm
1.25"
2"
Diagonal Mirror
45°
90°
2"
1.25"
SCT
Finder & GuiderScopes
Finder & GuideScopes
Guiding Scope Rings
Guide Scope Mounts
Eyepiece and Filter Kits
1.25"
2"
Filter Set
Eyepiece Set
Eyepiece and Filter Kit
Bahtinov Mask
65-100mm
85-120mm
105-150mm
125-180mm
150-200mm
175-220mm
195-240mm
215-260mm
250-290mm
290-340mm
Starpointer&Collimation
Laser Collimator
Reflex Sight
Starpointer
1X40RD
Mount
Reducer Correctors
f/6.3
C-Mount
0.5X
Telescope Focusers
1.25" Focuser
2" Focuser
Electronic Focuser
Dew Shield
100MM - 123MM
123MM - 142MM
148MM - 167MM
203MM - 221MM
229MM - 249MM
250MM - 270MM
Protective Cover
Diameter 22.6"
Diameter 30.1"
Diameter 36.4"
Diameter 23.8"
Diameter 30.1"
Diameter 37.6"
Off-Axis Guiders (OAG)
Off-Axis Guider with Micro-Focusing
High Deluxe Off-Axis Guider
Eyepiece Bags
Transport Bag
Bumbag
Others
CMOS Camera
Dew Heater Strip
Case
Night Vision
Stereo Bino Viewer
EQ-5
2" Field Flattener
ADC
Flip Mirror
Pads
P-Torch PS
Artificial Star Dimmable
Binocular Harness
Dust Caps Set
Cleaning Cloth
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SALES
Free Gifts
Clearance Sale
Deals All Under $30.99
For Beginners
Kits & Bundles
OUTDOOR
Binoculars
10x26
8x26
10x42
8X42
Monoculars
8x25
10x25
8X42 K9
10X42 K9
12X50 K9
8X42 BAK4
10X42 BAK4
Spotting Scopes
15-45x60
16-48x65
20-60x80
Tripod Adapters
Binocular Tripod Adapter
L Type Binocular Tripod Adapter
SOLAR FILTERS
Solar Eclipse Glasses
Solar Filters
50mm - 72mm
70mm - 92mm
90mm - 112mm
110mm - 132mm
130mm - 152mm
150mm - 172mm
170mm - 192mm
190mm - 222mm
220mm - 252mm
70mm
90mm
114mm
130mm
System Imager
MOUNTINGS
Telescope Adapters
Camera Adapters
T Ring Adapters
Phone Adapters
Telescope Extensions
Mounting Plates&Clamps
EYEPIECES
42-50° Plossl Eyepieces
1.25" 4MM
1.25" 6MM
1.25" 8MM
1.25" 10MM
1.25" 12.5MM
1.25" 13MM
1.25" 15MM
1.25" 17MM
1.25" 20MM
1.25" 25MM
1.25" 32MM
1.25" 40MM
2" 56MM
46-52° Super Plossl Eyepieces
1.25" 4MM
1.25" 6.3MM
1.25" 7.5MM
1.25" 10MM
1.25" 12.5MM
1.25" 15MM
1.25" 17MM
1.25" 20MM
1.25" 26MM
1.25" 32MM
1.25" 40MM
2" 56MM
55° Kellner FMC Eyepieces
26MM
32MM
40MM
55-65° Flat Field Eyepieces
8MM
16MM
19MM
27MM
58° Planetary Eyepieces
2.5MM
3.2MM
4MM
4.5MM
5MM
6MM
7MM
7.5MM
8MM
9MM
15MM
20MM
25MM
66° Ultra Wide Angle Eyepieces
6MM
9MM
15MM
20MM
82° SWA
70° SWA Eyepieces
70° 3.5MM
70° 5MM
70° 8MM
70° 13MM
70° 17MM
70° 22MM
70° 32MM
80° Ultra Wide Eyepieces
1.25" 11MM
1.25" 16MM
2" 15MM
2" 20MM
2" 30MM
82° SWA Compact Eyepieces
82° 7MM
82° 10MM
82° 15MM
82° 19MM
82° 23MM
82° 32MM
Collimating Cheshire & Zoom Eyepieces
7-21MM
8-24MM
Long Version
Short Version
12.5mm Illuminated
12mm Illuminated
9mm Illuminated
Telescope Eyepiece & Filter Set
1.25"
2"
FILTERS
Moon Filters
1.25" Moon ND96-0.3
2" Moon ND96-0.3
1.25" Moon ND96-0.6
2" Moon ND96-0.6
1.25" Moon ND96-0.9
2" Moon ND96-0.9
1.25" Moon / Skyglow Filter
2" Moon / Skyglow Filter
1.25" Crystalview Moon Filter
2" Crystalview Moon Filter
1.25" Polarizing Filter #2
2" Polarizing Filter #2
1.25" Polarizing Filter #3
2" Polarizing Filter #3
Color / Planetary Filters
1.25" - #25 Red
2" - #25 Red
1.25" - #8 Yellow
2" - #8 Yellow
1.25" - #80A Blue
2" - #80A Blue
1.25" - #56 Green
2" - #56 Green
1.25" - #12 Yellow
2" - #12 Yellow
1.25" - #23A Red
2" - #23A Light Red
1.25" - #15 Yellow-Orange
2" - #15 Yellow-Orange
1.25" - #38A Dark Blue
2" - #38A Dark Blue
1.25" - #AC54
2" - #AC54
1.25" - #82A Light Blue
2" - #82A Light Blue
1.25" - #47 Dark Blue
2" - #47 Dark Blue
1.25" - #21 Orange
2" - #21 Orange
1.25" - #58 Dark Green
1.25" Mars Observing Eyepiece Filter
Nebula Filters
1.25" O-III
2" O-III
1.25" UHC (Ultra High Contrast)
2" UHC (Ultra High Contrast)
1.25" Blue
2" Blue
1.25" Luminance
2" Luminance
1.25" Red
2" Red
1.25" Green
2" Green
1.25" H-Beta
2" H-Beta
1.25" Nebula Red
2" Nebula Red
1.25" IR CUT
2" IR CUT
1.25" Narrowband NBPF H ydrogen-a 12nm
2" Narrowband NBPF H ydrogen-a 12nm
1.25" H-Alpha Night Sky
1.25" S-ll
2" Narrowband Dark Sky-N1
2" 12nm S-ll
2" Polarizing Filter
UV/IR Filters
1.25"
2"
Polarizing Filters
1.25"
2"
LRGB
1.25"
2"
Kits
1.25" Astronomical Telescope Accessory Kit
2" Eyepiece and Filter Kit Deluxe Version
1.25" Eyepiece and Filter Kit Deluxe Version
1.25" Color Filter Set (7 pieces)
1.25" Color Filter Set (6 pieces)
1.25" Color Filter Set (4 pieces)
Telescope LRGB 2 Inch Filter Set
Deluxe Telescope LRGB 1.25 Inch Filter Set
Accessory Kit Telescope Fully-coated eyepieces
Ultraviolet (UV) filter/Methane (CH4) filter/Infrared (IR) filter
PRODUCT OVERVIEW
Monoculars / Binoculars / Spotting Scopes
Monoculars
Spotting Scopes
Binoculars
Adapters
Tripod Adapters
Solar Filters
Solar Eclipse Glasses
Solar Filters
System Imager
Camera Adapters
Camera Adapters
T Ring Adapters
Phone Adapters
Telescope Extensions
Mounting Plates&Clamps
Telescope Eyepieces
42-50° Plossl Eyepieces
46-52° Super Plossl Eyepieces
66° Ultra Wide Angle Eyepieces
70° SWA Eyepieces
82° SWA Compact Eyepieces
Collimating Cheshire & Zoom Eyepieces
55° Kellner FMC Eyepieces
58° Planetary Eyepieces
80° Ultra Wide Eyepieces
55-65° Flat Field Eyepieces
Telescope Eyepiece & Filter Set
Telescope Filters
Color / Planetary Filters
Nebula Filters
LRGB
Kits
Filter Wheels
9-Position
5-Position
Kits
Barlow Lens
2X
2.5X
3X
5X
1.25"
2"
Kit
Telescope Adapter
M48
M42
SCT
M31
M43
M54
C MOUNT
0.965"
7.5mm
1.25"
2"
Diagonal Mirror
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Bahtinov Mask
Bahtinov Mask
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM160mm for a tube outer diameter (OD) from 175mm-220mm
(26)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM270mm for a tube outer diameter (OD) from 290mm-340mm
(20)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM200mm for a tube outer diameter (OD) from 215mm-260mm
(26)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM100mm for a tube outer diameter (OD) from 105mm-150mm
(28)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM80mm for a tube outer diameter (OD) from 85mm-120mm
(21)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM180mm for a tube outer diameter (OD) from 195mm-240mm
(24)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM60mm for a tube outer diameter (OD) from 65mm-100mm
(29)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM140mm for a tube outer diameter (OD) from 150mm-200mm
(20)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM120mm for a tube outer diameter (OD) from 125mm-180mm
(28)
from
$
$
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Astromania Bahtinov Mask Focusing Mask for Telescopes - FM230mm for a tube outer diameter (OD) from 250mm-290mm
(25)
from
$
$
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Astromania Brass Post for Bahtinov Mask - A Set Of 3
from
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