As most of you know, the Verito is a convertible lens. Remove the front cell and you have a lens with similar qualities, but with a focal length about 1 2/3 to 2 times longer than before, albeit slightly slower (well, you can't have everything). So, in this case, my 11 1/2" ƒ/4 Verito converts to a 20" lens of about ƒ/6.9, assuming equivalent entrance pupils. Circle of illumination is increased correspondingly, if for no other reason than the longer focal length. As it turns out, 20" is a splendid focal length for 12x20 and 14x17.
The problem with the lens, or at least, my lens, is that the front cell is what holds the aperture plate on the Studio shutter.
Remove the front cell and that irreplaceable aperture plate wants to jump off the camera. Not good if you're trying to photograph overlooking an abyss (or dockside at a Maine marina). A threaded retainer, I thought, might do the trick. And while I'm at it, why not give myself the ability to use filters? And so it is, with some help from S.K. Grimes, that I got what I wanted: a retainer to fit the front threads of the Studio shutter.
And on the front it's cut for Series 9 filters, which I already had, saving the cost of expensive, new, big filters.
Plus, I can use my series 9 wide-angle shade.
Amazing how a seemingly trivial bit of aluminum can make one's life easier!
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