The American annual of photography . between lens and object, and this is best done by movingthe whole thing. The small object may be set on a pin or ablock, and the apparatus on a table or an eevated bench sothat the plate end of the camera may be conveniently reached,and with all in the same plane. I advise, with say a three tofive-inch lens, that the Icno^th of the camera be not less thanfour feet. In my own work, I use a four-foot bellows and onthe front of that a conical projection of about a foot in such an apparatus, whether elaborately or crudely made,you are prepared to ma
The American annual of photography . between lens and object, and this is best done by movingthe whole thing. The small object may be set on a pin or ablock, and the apparatus on a table or an eevated bench sothat the plate end of the camera may be conveniently reached,and with all in the same plane. I advise, with say a three tofive-inch lens, that the Icno^th of the camera be not less thanfour feet. In my own work, I use a four-foot bellows and onthe front of that a conical projection of about a foot in such an apparatus, whether elaborately or crudely made,you are prepared to make the most of photography; that is,you magnify your calling, as well as the object. Bring theobject into careful focus, stop down the lens very small forgreat depth, and give plenty of time. You may have been taking minimized cats on doorsteps,with the lens at its focal distance of perhaps three inches, inperhaps one-fifth of a second. If so, forget all that a katydid three inches from the lens, and the lens five • 248. mitidt*k THE EYE-SPOT AND ARRANGEMENT OF SURROUNDINGSCALES ON WING OF CECROPIA MOTH, edward f. bigelow. Illustrating article The Focal Distance to Object \ot to Plate, i .A
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