Formatt Hitech Glass 4mm ND Reverse Grad


Size: 4x4"
Density: 0.3 (1 Stop)
Price:
Sale price£165.38  Inc VAT £137.82  Exc VAT

Description

Reverse ND grads are specialty filters designed for shooting sunrise and sunset where the highest luminance is near the horizon line. The reverse grad features a hard transition in the center of the filter (similar to the hard edge grad) but reduce in density toward the top of the filter. Formatt-Hitech filters are made from the highest quality Schott Superwite glass.

Graduated Neutral Density

© CRAIG RICHARDS

Graduated filters have an effect that occurs on one area of the filter and transitions to clear on other areas of the filter. Typically graduated filters are used to enhance the sky or terrain, or balance the luminosity of the sky to the luminosity of the terrain. For hard and soft grad filters, colors are often deployed (such as sunset or twilight) to enhance the color of the sky.

Formatt-Hitech offers four varieties of Graduated Neutral Density Filters:

  • Soft Edge Grad
  • Hard Edge Grad
  • Reverse Grad

Reverse Grads

© BRIAN MATIASH

The reverse grad is a vital tool if you are looking to take sunrise or sunset shots. This is because the ND part of the grad is upside down, with the darker part at the middle of the filter and the lighter part at the top. This ensures the maximum light reduction when the sun is at or near the horizon.

Densities Available

1 - 4 Stops

4mm Filter Sizes

4x4" | 4x5.65" | 5x5" | 5.65x5.65" | 6.6x6.6mm

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A bigger polariser giving you a wider view

With recent developments in optical design, it has become more common for lenses to have larger threads. To accommodate these advancements we have expanded our CPL (circular polarising filter) to 86mm. This means wider compatibility and better performance on a range of new wide-angle lenses. It also makes it compatible with a range of cinema lenses such as the Tokina 11-20MM T2.9.

The polariser can be fitted into either included rotating ring adapter, and becomes an integral part of the holder. The polariser is operated with an easy to use thumbscrew. This allows you to set your grads and then dial in the exact

polarising effect you want. Due to its free movement, this means you can leave the polarising filter (CPL) attached at all times and simply turn off the effect if not wanted. The construction of the filter also means you can use the CPL filter as an independent filter without the need of the holder.

More step rings, more flexibility.

For improved performance on an even wider range of lenses, the holder now ships with two rotating adapters as standard. These adapters allow the lens to sit closer to the filters helping with wide-angle photography. The kit

includes an 86mm - 86mm rotating adapter and a 86mm - 82mm adapter. For best performance on 77mm and smaller wide-angle lenses, it is recommended to use the included step rings from the 86-86mm rotating adapter.

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