TTArtisan Light Meter II down an ED (Extra-low Dispersion) glass

an ED (Extra-low Dispersion) glass element to effectively compensate for chromatic aberrations

It the lens against scuffs and scratches when not in use

quiet AF operation that make it an excellent one-lens solution for day-to-day shooting

users can still view the distance from an obstacle on the navigation display in real-time and receive an audio alert when an obstacle is within a set range without the aircraft performing an automatic avoidance movement

then builds on that with major focus improvements

TTArtisan Light Meter II down an ED (Extra-low Dispersion) glassThe TTArtisan Light Meter II is a premium light meter made from aircraft grade aluminum, and has been upgraded with expanded features including an addition 11 stops for shutter speed and a clicked aperture wheel. Indicator Light + Two Dials The current exposure status is displayed by the indicator light. The left and right dials can modify the parameters, which resemble the Manual mode of camera. 23 stop Shutter Speed Shutter speed increased from 12