The Player One E-Series serves as a superior successor to the S-Series, crafted with top-notch optical glass and enhanced multi-layer coating technology. This series goes above and beyond the S-Series standards and is specially fine-tuned for CMOS and CCD cameras, making it a go-to choice for high-level astrophotography.

Specifications

• Size: 1.25 inches
• Thread: M28.5 x 0.6
• Frame Dimensions: 5mm body + 2.5mm thread, totaling 7.5mm
• Glass Thickness: 1.85mm
• Bandwidth: 8nm
• Center Wavelength (CWL): 889nm
• Peak-to-Valley (PV): 1/4 lambda
• Light Throughput: Around 90%
• Optical Density for Blocking: OD4

With these specs, you can expect professional-grade results in your astrophotography projects.