. The book of photography; practical, theoretical and applied. ruments at a moderateprice, the choice of one suitable forthe work presents no difficulty. Itis better to commence with a goodmodern stand, one or two good ob-jectives, and one eyepiece, than to have asecond-rate or old-fashioned instrumentwith a drawer full of accessories which no-body ever uses. A good stand will last alifetime, because additions can always bemade to it as the necessities of the workrequire, and as all fittings are now madein standard sizes it is very convenient tobe able to buy these from any will be im
. The book of photography; practical, theoretical and applied. ruments at a moderateprice, the choice of one suitable forthe work presents no difficulty. Itis better to commence with a goodmodern stand, one or two good ob-jectives, and one eyepiece, than to have asecond-rate or old-fashioned instrumentwith a drawer full of accessories which no-body ever uses. A good stand will last alifetime, because additions can always bemade to it as the necessities of the workrequire, and as all fittings are now madein standard sizes it is very convenient tobe able to buy these from any will be impossible to enter into adetailed description of the numerousmicroscopes suitable for photomicro-graphy, but mention may be made of afew which may be regarded as typical;the various fittings will be separatelyconsidered. Fig. 686 shows Watsons Fram microscope ; Fig. 687, microscope ; Fig. 688, Zeisss standfor photomicrography; Fig. 689, one ofLeitzs microscopes ; Fig. 690, one of RosssStandard microscopes; and Fig. 691,Swifts students Fig. 687.—Bakehs D. P. H. Mickoscope. Movements axd Fittings of the Micro-scope. The microscope should be firmly plantedon its support, so that there is no vibra-tion when it is touched. There are twofundamental forms of support, the horse-shoe seen in the Zeiss, Ross, and Leitzmicroscopes, and the tripod as in thoseof Swift, Watson, and Baker ; but, as amatter of fact, most makers now supply 524 THE BOOK OF PHOTOGRAPHY.
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