The heads we sell were designed for panorama photos and 360 degree virtual tours. If the optical system of your camera and lens rotates around the no-paralax point (or NPP, sometimes called nodal point), it eliminates parallax geometry error from the final stitched image and thus allows each photo taken for your panorama to overlap accurately, with no visible stitching seams and with accurately connected lines and artifacts. Using a precision panoramic head saves a lot of time during post processing and improves quality of final imagery.
Nodal Ninja 3 NN3 - Entry level, smaller cameras and lenses 8-50mm, compact and lightweight, low cost, durable, use for real estate, travel, hobby, semi-pro
Nodal Ninja R - For fisheye lenses, smallest head, fastest shooting time, use for Google Street View, real estate, telescopic poles, independent of camera (fits on the lens)
Nodal Ninja 6 NN6 - Entry to Pro level, lenses 8-200mm, bigger and heavier cameras and lenses, upper rotator has 7.5 degree click stops, use for landscape, high resolution, HDR, professional every day work
Nodal Ninja M - Pro line, M1 8-200+mm, M2 8-400+mm, Arca-Swiss Modular Design, upgrade kits M1->M2->M2 Giga, use for landscape, very high resolution, high precision, HDR, supports heavy cameras and telephoto lenses
