COSMOS CIRCLE 4X5 Large Format Camera with Pinhole Lens Board

Description

There is a 4x5 plastic
snapshot camera which
with
pinhole lens board.
It's a combination of mind body, standard cone, viewfinder, focusing glass, and it comes with a 0# Linhof type lens board and a 0.3mm pinhole lens board.
The
flange
focal length of camera is 70mm，Schneider 58/5.6XL lens and Rodenstock 65/4.5 lens are suitable for it for hyperfocal distance.
Focus range of Schneider 58 / 5.6 XL and Rodenstock 65 / 4.5 lens:
Full open aperture：2m to 20m
F11：1.5m to 40m
F32 ： 0.5m to infinity
Pinholes are made of very thin metal foil, only 0.01mm thick, which is the thinnest thickness. As we all know, the thinner the pinhole material, the sharper the picture.
In order to eliminate the burr, we use laser to pierce, and repeat 15 times to make the edge of the pinhole smooth.
The pinhole diameter is 0.3mm and the aperture is about f256. We also offer other diameters from 0.1 mm to 1.0 mm.
The viewing angle of the camera is 102 ° and the viewfinder is 110 °.
There are four flexible locks on the camera's body.To the left, you can lock ordinary 4X5 Film Holder.To the right, you can lock 6X7/6X9/612 Roll Film Holder Back for 4X5 or Polaroid Film Holder Back for 4X5 or Graflex Film Holder.
The camera is made of high-strength composite plastic with a 1 / 4-inch tripod screw hole at the bottom.
It weighs 470g.
The film roll back and quick release plate in the photo are not included.