3d printed WillTravel Viewfinder for the WillTravel camera buyer (only)

Description

NOTE: ONLY available to the WillTravel camera buyer BEFORE the camera is shipped. Please read the full description.
Design based on the smartphone macro & wide angle lens. Provide a approximately correct field of view for a 90mm lens @4x5 in the shown configuration, remove the rear eyesight and your eye gets closer and you have approximately field of view for a 75mm lens
@4x5.
Masks for 105, 120, 127, 135 and 150 available, same for a 5x7 ratio opening in 110. Masks available for 135, 150 and 180mm in 5x7.  Also available in 6x12 ratio for 100m.
Please ask.
What you get, already assembled:
- 3d printed viewfinder for your focal length.
- Smartphone macro & wide angle lens
Nb, Willtravel camera, lens and laser rangefinder for illustration only, thus naturally not part of the sale.