Top Highlights

  • 656nm H-Alpha Filter with 12mm Blocking
  • Tuned for Chromosphere Viewing
  • Use Astronomical OTAs for Solar Viewing
  • ±0.5Å Wing Shift Tuning
  • 2-Element Telecentric 4.3x Barlow Lens
  • Optical Coatings Tuned to H-Alpha Band
  • Best Performance with f/4-f/8 Refractors
  • No OTA Aperture Limitations
  • 5 VDC, 1.5A micro-USB Port

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(5)

Top Highlights

  • Adapt Nighttime Scopes for Solar Viewing
  • 8" Schmidt-Cassegrain and Edge HD OTAs
  • Provides Neutral Color and High Contrast
  • Proprietary Mylar Filter Material
  • Filters 99.999% Intense Visible Light
  • Blocks 100% UV and IR Radiation
  • ISO 12312-2 Compliant
  • Weight: 4.2 Ounces

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(1)

Top Highlights

  • Durable and Safe Glass Filter
  • Adapt Nighttime OTAs for Solar Viewing
  • Fits Select 5" (127mm) Telescope OTAs
  • Blocks 99.999% of Intense Light
  • Thumbscrew Lock for Safety

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Used from $49.95

(4)

Top Highlights

  • Adapt Nighttime Scopes for Solar Viewing
  • For Select 127mm/130mm Reflector OTAs
  • Provides Neutral Color and High Contrast
  • Proprietary Mylar Filter Material
  • Filters 99.999% Intense Visible Light
  • Blocks 100% UV and IR Radiation
  • ISO 12312-2 Compliant
  • Weight: 3.1 Ounces

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(4)

Top Highlights

  • Adapt Nighttime Scopes for Solar Viewing
  • Fits 6" Schmidt-Cassegrain Telescopes
  • Provides Neutral Color and High Contrast
  • Proprietary Mylar Filter Material
  • Filters 99.999% Intense Visible Light
  • Blocks 100% UV and IR Radiation
  • ISO 12312-2 Compliant
  • Weight: 2.6 Ounces

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Top Highlights

  • Solar Viewing with Conventional Scopes
  • For up to 150mm Refractor OTAs Only
  • Pre-Installed Multi-Coated ND3 Filter
  • Ceramic Heat Dispersion Plate
  • 1.25" Adapter Included

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Top Highlights

  • Front Aperture White-Light Filter Film
  • For Safe Solar Viewing and Photography
  • Use on Scopes, Binoculars, Photo Lenses
  • View Penumbra, Granulation, and Faculae
  • Improves Sharpness and Contrast
  • Provides a Neutral Color Balance
  • Broad, Full-Spectrum Bandpass
  • UV and IR Radiation Protection
  • Not for Direct Solar Viewing
  • 140x155mm Sheet

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Top Highlights

  • For Safe Solar Viewing
  • Broad-Band Neutral-White Color
  • 70-90mm Recommended Aperture
  • Front Clear White IR-Rejecting Ring
  • Three Centering Bolts and Safety Straps
  • For Magnifications up to 120x
  • No Tools or Modifications Required

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Expected availability: 7-14 business days
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Top Highlights

  • Durable and Safe Glass Filter
  • Adapt Nighttime OTAs for Solar Viewing
  • Fits Select 4" (101mm) Telescope OTAs
  • Blocks 99.999% of Intense Light
  • Thumbscrew Lock for Safety

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Top Highlights

  • Durable and Safe Glass Filter
  • Adapt Nighttime OTAs for Solar Viewing
  • Fits Select 5.75" (146mm) Telescope OTAs
  • Blocks 99.999% of Intense Light
  • Thumbscrew Lock for Safety

Special Order

Expected availability: 7-14 business days
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You Pay: $100.00

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Top Highlights

  • Durable and Safe Glass Filter
  • Adapt Nighttime OTAs for Solar Viewing
  • Fits Select 9.5" (241mm) Telescope OTAs
  • Blocks 99.999% of Intense Light
  • Thumbscrew Lock for Safety

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Top Highlights

  • For Safe Solar Viewing
  • White-Light Filter
  • 95mm Clear Aperture
  • Fits 130-139mm Outside Diameters
  • Meets ISO 123112-2:2015 Safety Standards
  • CE-Certified to 12-16 of EN 169/1992

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Top Highlights

  • Certified for Safe Direct Solar Viewing
  • Adapt Nighttime Scopes for Solar Viewing
  • Mount on Front of Camera Lens
  • Filters 99.99% Intense White Light
  • Blocks 100% UV and IR Radiation
  • Provides Neutral Color and High Contrast
  • For 145-175mm Outside Diameter OTAs
  • Anodized Aluminum Frame

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Top Highlights

  • For 70mm PowerSeeker and Travel Scopes
  • ISO Certified for Safe Solar Viewing
  • Proprietary Mylar Film Filter
  • Filters 99.999% of Visible Light
  • Blocks 100% UV and IR Radiation

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Top Highlights

  • Certified for Safe Direct Solar Viewing
  • Adapt Nighttime Scopes for Solar Viewing
  • Mount on Front of Camera Lens
  • Filters 99.99% Intense White Light
  • Blocks 100% UV and IR Radiation
  • Provides Neutral Color and High Contrast
  • For 125-155mm Outside Diameter OTAs
  • Anodized Aluminum Frame

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Top Highlights

  • Use Questar OTAs for Solar Viewing
  • Questar Eyepiece and Rear Port Threads
  • 656nm H-Alpha Filter
  • 21mm Clear Aperture Blocking Filter
  • Tuned for Chromosphere Viewing
  • ±0.5Å Wing Shift Tuning
  • For Questar Telescopes up to F/3
  • No OTA Aperture Limitations
  • 5 VDC, 1.5A micro-USB Port
  • Optional Off-Axis ERFs Required

Special Order

Expected availability: 7-14 business days
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You Pay: $1,195.00

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Top Highlights

  • 656nm H-Alpha Filter with 12mm Blocking
  • Tuned for Prominence Viewing
  • Use Astronomical OTAs for Solar Viewing
  • ±0.5Å Wing Shift Tuning
  • Use with SCT, Maksutov, F/15 Refractors
  • No OTA Aperture Limitations
  • 5 VDC, 1.5A micro-USB Port
  • Off-Axis Wedge Adapter Included
  • Optional ERFs Required

Special Order

Expected availability: 3-7 business days
You can order this item today and pick it up at the B&H NYC Superstore during regular business hours.
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You Pay: $1,195.00

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Top Highlights

  • 3968.5Å, 25mm Blocking Filter
  • Use Astronomical OTAs for Solar Viewing
  • ±0.5Å Wing Shift Tuning
  • Optical Coatings Tuned to Calcium H-Line
  • Use with f/7 to f/30 Refractor OTAs
  • No OTA Aperture Limitations
  • Rear-Mount UV/IR Cut Filters Recommended
  • 5 VDC, 1.5A micro-USB Port

Special Order

Expected availability: 3-7 business days
You can order this item today and pick it up at the B&H NYC Superstore during regular business hours.
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You Pay: $1,195.00

View Cartbwxyaadftbrbtxzqfacdcbscbxzrdbsqzqbc
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Top Highlights

  • Use Questar OTAs for Solar Viewing
  • Questar Eyepiece and Rear Port Threads
  • 656nm H-Alpha Filter
  • 21mm Clear Aperture Blocking Filter
  • Tuned for Prominence Viewing
  • ±0.5Å Wing Shift Tuning
  • For Questar Telescopes up to F/3
  • No OTA Aperture Limitations
  • 5 VDC, 1.5A micro-USB Port
  • Optional Off-Axis ERFs Required

Special Order

Expected availability: 7-14 business days
You can order this item today and pick it up at the B&H NYC Superstore during regular business hours.
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You Pay: $1,195.00

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Top Highlights

  • 656nm H-Alpha Filter with 12mm Blocking
  • Tuned for Chromosphere Viewing
  • Use Astronomical OTAs for Solar Viewing
  • ±0.5Å Wing Shift Tuning
  • Use with SCT, Maksutov, F/15 Refractors
  • No OTA Aperture Limitations
  • 5 VDC, 1.5A micro-USB Port
  • Off-Axis Wedge Adapter Included
  • Optional ERFs Required

In Stock

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You Pay: $1,195.00

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B&H # DADSIUV2 MFR # DSIUV2

  • Protects Against Solar Heat
  • Improves Contrast on CCD Imagers
  • Ideal Luminance Filter for LRGB Imaging
  • Fits Most 2" Imaging Cameras and Wheels

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You Pay: $125.00

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Top Highlights

  • 656nm H-Alpha Filter with 12mm Blocking
  • Tuned for Prominence Viewing
  • Use Astronomical OTAs for Solar Viewing
  • ±0.5Å Wing Shift Tuning
  • 2-Element Telecentric 4.3x Barlow Lens
  • Optical Coatings Tuned to H-Alpha Band
  • Best Performance with f/4-f/8 Refractors
  • No OTA Aperture Limitations
  • 5 VDC, 1.5A micro-USB Port

Special Order

Expected availability: 3-7 business days
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You Pay: $1,192.18

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Top Highlights

  • Holds up to Four Solar Filters
  • Compatible with Most OTA Sizes/Styles
  • Enables Viewing in Different Bandpasses
  • 1.0Å Offset Tuning Capability
  • Wavelength Output Accurate to 0.1#8491;
  • RS-232 Serial Port for Computer Control
  • Best Performance: f/27-f/35 Focal Ratios
  • Requires Barlow or Stop-Down Mask
  • Filters and Accessories Required

Special Order

Expected availability: 7-14 business days
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You Pay: $5,692.50

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Top Highlights

  • Hydrogen-Alpha Solar Filter
  • Greatly Enhances Prominence Contrast
  • View Limited Surface Texture
  • Dedicated Tuning Control
  • Vibration-Free Mag-Lev Fans
  • Non-Vignetted Views on OTAs up to 75mm

Special Order

Expected availability: 7-14 business days
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You Pay: $2,415.00

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