Astronomik UHC Filter for Pentax K1
Best clip in filter for dedicated night sky photographers.
A high-performance clip-in filter designed to isolate critical emission lines for deep-sky imaging. It effectively suppresses light pollution while maintaining high transmission, making it an essential tool for capturing nebulae with specific camera and telescope configurations.
$229.95
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Astronomik UHC-E Filter
$139.00
Astronomik UHC Filter
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Who it's for
- Astrophotographers shooting in light-polluted urban or suburban environments
- Landscape photographers wanting a secure and versatile light pollution solution
- Detail-oriented professionals requiring edge-to-edge sharpness in their celestial captures
Who should skip it
- Beginners who prefer natural out-of-camera colors without extensive editing
- Photographers using deep-seated rear element lenses or ultra-wide glass
- Users without tracking mounts who need to keep shutter speeds short
Performance breakdown
Light Pollution Suppression
Effectively isolates emission lines while aggressively cutting through urban skyglow.
Transmission Efficiency
High-throughput design ensures minimal signal loss for faint deep-sky targets.
Build Durability
Scratch-resistant coating provides peace of mind during frequent field swaps.
Workflow Integration
Parfocal engineering saves precious time by eliminating constant refocusing adjustments.
System Compatibility
Perfectly tailored for Pentax K-1 sensors within standard focal ratios.
Installation Ease
Clip-in design allows for rapid, tool-free mounting inside the camera body.
Key Specs
Filter Type
Clip In
Compatibility
Pentax K-1 cameras
Telescope Compatibility
f/10-f/3.5 focal ratios
Light Transmission
95% at H-beta, OIII, and H-Alpha lines
Thickness
1mm
Durability
Moisture and scratch resistant
Warranty
10 Year Manufacturer
Included
Storage box
Know before you buy
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