Optolong

Achieve Critical Focus with Dim Stars Transmission >98.5% Across the Visible Spectrum λ/4 Transmitted Wavefront for Image Integrity Parfocal wi...

Suppresses common sources of urban light pollution Enhances contrast for deep-sky objects Improves natural color balance in astrophotography Durab...

Suppresses common light pollution sources Average transmission greater than 90% on key nebula emission lines Blocks light pollution lines with >...

Blocks >99% of primary light pollution emission lines Achieves >90% average transmission on key nebula wavelengths Integrated 300-1100nm UV/...

3nm Bandpass at 656nm Wavelength Maximizes Contrast for Emission Nebulae Extreme Rejection of Light Pollution and Skyglow Ion-Assisted, Anti-Refle...

Isolates the 656nm Hydrogen-alpha emission line 7nm bandpass for maximum contrast Blocks mercury vapor, sodium vapor, and natural skyglow Ideal fo...

H-alpha Filter: 7nm Bandpass centered at 656nm Oxygen-III Filter: 6.5nm Bandpass centered at 500nm Sulphur-II Filter: 6.5nm Bandpass Hubble Pa...

Complete SHO set includes H-alpha, OIII, and SII filters Ultra-narrow 3nm bandpass for maximum contrast Isolates 656nm Ha and 500nm OIII emission ...

Passes infrared light above 685nm Achieves greater than 90% peak transmission Blocks wavelengths from 350-1050nm outside the passband 1.85mm thick...

Optolong L-eNhance est un filtre passe-bande double qui a été conçu pour les appareils photo reflex numériques (SLR), CMOS couleur et CCD monochro...

Includes L-eXtreme (H-alpha + OIII) and L-Synergy (SII + OIII) filters Enables Hubble Palette (SHO) imaging with one-shot color cameras Captures t...

L-eXtreme est un filtre passe-bande de deux 7 nm qui peut être utilisé avec des caméras couleur à un coup comme les reflex numériques (SLR) et les ...

Dual Narrowband H-Alpha & OIII Filter Suppresses Mercury, Sodium & LED Light Pollution Optimized for Fast-Ratio Systems (RASA, HyperStar) ...

Two Optolong Clip-in Light Pollution Filters in One Kit L-Pro: Multi-Bandpass Suppression Across 380-750nm UHC: >99% Blocking of Mercury and So...

Filtre de réduction de la pollution lumineuse Conserve la balance naturel des couleurs de vos images Efficace pour une utilisation dans les z...

L-Quad Enhance Filter: A quad-bandpass filter designed for balanced RGB color from broadband targets. L-Para L1 Filter: A dual-narrowband filter...

Quad-bandpass design for color cameras Suppresses light pollution with OD2-OD4 blocking depth Maintains sharpness with a λ/4 transmitted wavefront...

Captures Sulfur-II and Oxygen-III Emission Lines Simultaneously Engineered for Hubble Palette (SHO) Imaging with Color Cameras Strict 7nm Bandpass...

Réduction extrême de la pollution lumineuse Bandes passantes ultra étroites de 3 nm Isole les émissions clés H-alpha et OIII Offre un contraste su...

Complete 5-Filter LRGB and H-Alpha Set 7nm H-Alpha Filter Centered at 656.3nm Blocks 589nm Sodium Light Pollution Line High Transmission for Natur...

Le jeu de filtres Optolong LRGB est conçu pour un contraste maximal et avec des gradients extrêmement élevés pour une différenciation claire des c...

Le jeu de filtres Optolong LRGB est conçu pour un contraste maximal et avec des gradients extrêmement élevés pour une différenciation claire des co...

Blocks over 99% of common light pollution emission lines Maintains over 90% average transmission for bright, detailed views λ/4 transmitted wavefr...

Passes Infrared Light >650nm Blocks Visible Light from 300-570nm Average Transmission >90% 1.85mm Thick Optical Glass Substrate λ/4 Transmit...