>>2665921I'm really not sure if it's a singlet or a doublet, finding information on individual models of brownie is basically impossible. It's pretty filthy, I gave the ouside a bit of a wipe before I used it but that's all. The main thing is keeping it still during the exposure.
In
>>2665789 there's pretty obvious camera shake.
A good way to use it actually is with flash. In the dark, open the shutter on bulb and fire a flash by hand, using your best guess of the camera's aperture and the flash's guide number to control exposure.
