Photonis 4G Echo GP Vypers (Duals)

Description

Photonis Vyper dual tube NVGs. They have Green Phosphor  tubes and 40 degree Nightwinder optics.

Photonis 4G Echo min/max specs:

• Figure of Merit (FOM): Minimum1800
• Signal to Noise Ratio (SNR): Minimum 28
• Limiting Resolution: Minimum 64 lp/mm (at center)
• High Light Level Resolution: Minimum 55lp/mm (at 200 lux)
• Halo: Maximum 0.95

These are the bare minimums/maximums accepted, we’ve been getting some tubes with impressive specs that are well above and below that is listed.

👇 👇 👇 👇 👇 👇 👇 👇 👇 👇 👇 👇

*MESSAGE US FOR SPECIAL PRICING*