Letus Hawk Overview

The Letus Hawk viewfinder is 100% custom designed from the ground up. Unlike others on the market, our viewfinder uses totally custom optics designed and manufactured by Letus. We use a 3 lenses in 2 groups rather than a single, off-the-shelf diopter. Our lens groups produces a totally flat image with no warping or sharpness loss on the edges of the image frame.

We have built our viewfinder with a 2.75x view factor. We have found this to be the ideal zoom for LCD screens. It produces a large image that you don't have to look around at when viewing it. At larger zooms, the image gets so big that you are forced to move your eye around to see the whole image. In addition, at zooms above 2.75, individual pixels on the LCD screen can be seen. The 2.75x zoom on the Letus Hawk viewfinder is the sweet spot for zoom factor.

The Letus Hawk is also designed to be modular just like our 35mm adapters. The Lens element of the Hawk is removable from the housing, this means that you can purchase one Hawk, then purchase different sized housings for different cameras, saving you money and helping you future proof your investment.

Letus Hawk Features

Letus Hawk At A Glance
3 Custom Lenses in 2 Groups
2.75x Zoom Factor
+1.5 to -2.5 Adjustable Lens
Fully Coated Optics
Removable/Swappable Housing
Carbon Fiber or Aluminum

  • Available with a Carbon Fiber or Aluminum Housing
  • Non-reflective Internal Housing
  • 2.75x Zoom Factor
  • +1.5 to -2.5 Adjustable Lens
  • 3 Custom Lenses in 2 Groups
  • Fully Coated Optics
  • Anodized Aluminum Lens Housing
  • Removable Eye Cup
  • Talon Basic Camera Plate for Mounting
  • X / Y / Z Mounting Adjustments
  • 1/4 20 Mount Point for Articulating Arms
  • No Image Distortion or Edge Softness
  • Removable Housing for using different sizes of cameras








Letus Hawk 3:2 Features

Letus Hawk 3:2 At A Glance
3:2 Aspect Ratio
3 Custom Lenses in 2 Groups
2.75x Zoom Factor
+1.5 to -2.5 Adjustable Lens
Fully Coated Optics
Removable/Swappable Housing

  • 3:2 Aspect Ratio
  • Aluminum Housing
  • Non-reflective Internal Housing
  • 2.75x Zoom Factor
  • +1.5 to -2.5 Adjustable Lens
  • 3 Custom Lenses in 2 Groups
  • Fully Coated Optics
  • Anodized Aluminum Lens Housing
  • Removable Eye Cup
  • Talon Basic Camera Plate for Mounting
  • X / Y / Z Mounting Adjustments
  • 1/4 20 Mount Point for Articulating Arms
  • No Image Distortion or Edge Softness
  • Removable Housing for using different sizes of cameras





Compatible Cameras

Verified by Letus

  • Canon 1DmkIV
  • Canon 5Dmk2
  • Canon 5Dmk2 with battery grip
  • Canon 7D
  • Canon 7D with battery grip

Reported Compatible (not yet verified by Letus)

  • Nikon D3s (Universal Pro Mount)
  • Nikon D7000 (Universal Pro Mount)
  • Nikon D90 (Universal Pro Mount)

Verified by Letus (3:2 Housing)

  • Canon 60D
  • Canon T2i
  • Panasonic GH1

Not Compatible at this time

  • Panasonic GH2

If your camera is not listed do not fear, there is a good chance that the Letus Hawk will still work on your camera. The Hawk has several mounting options and is X Y Z adjustable so it should work on just about any DSLR. This list is for reference only

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