Antlia Photometric Sloan Filter
Best precision tool for serious amateur astronomers and research imaging.
These photometric filters provide the precision required for serious scientific imaging, utilizing advanced coating technology to ensure consistent, high-contrast results. Designed for compatibility across a wide range of focal ratios, they offer the reliability needed for accurate data collection.
$1540.00
Who it's for
- Researchers needing maximum light throughput for deep-space data collection.
- Citizen scientists performing rigorous stellar photometry and data analysis.
- Remote observatory operators seeking long-lasting equipment with minimal maintenance.
Who should skip it
- Artistic astrophotographers looking for vibrant, natural color balance in photos.
- Budget-conscious hobbyists who do not require scientific-grade data sets.
- Automated imaging users without high-precision electronic focusers.
Performance breakdown
Optical Transmission
Near-perfect light throughput ensures maximum signal capture for faint deep-sky objects.
Focus Consistency
Parfocal engineering eliminates the need for constant refocusing between filter changes.
Durability
Ion-assisted coating provides a rugged surface that withstands rigorous observatory use.
Contrast Performance
Exceptional OD5 blocking delivers clean, high-contrast images with minimal background noise.
System Versatility
Broad compatibility handles everything from fast astrographs to slow, long-focal-length systems.
Spectral Accuracy
Precise Sloan bandpass definition meets the strict requirements for professional photometry.
Key Specs
Filter Type
Photometric
Filter Size
50 mm
Filter Shape
Round
Filter Thickness
3 mm
Wavelength Range G
400-550 nm
Wavelength Range R
555-705 nm
Wavelength Range I
688-850 nm
Wavelength Range Z
>812 nm
Peak Transmission
>98% (RIZ), >95% (G)
Blocking
OD5
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Ask Metto anything about the Antlia Photometric Sloan Filter before you decide.
