Hints And Notes Practical And Scientific for Travellers in the Alps Being a Rev
Hints And Notes Practical And Scientific for Travellers in the Alps Being a Rev
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In our eReader you can find the full English version of the book. Read Hints And Notes Practical And Scientific for Travellers in the Alps Being a Rev Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Hints And Notes Practical And Scientific for Travellers in the Alps Being a Rev
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Obviously with this high magnification any vibration becomes evident in the negative.
Accurate focussing, both by means of the rack and pinion on the lens and finally by the camera pinion, is necessary, and a focussing glass should be employed. The focussing should be done with the actual stop used.
In distant photography with this lens it is always wise to use an orange screen.
It is necessary to remember that, owing to the narrow angle embraced in these views, it is advisable to choose a poin...t of view as nearly level with the object to be photographed as possible, otherwise the angle to which the camera must be tilted results in great distortion of the per- spective. This to some extent limits the usefulness of the lens.
No precise rules can be laid down here as to the comparative length of exposure necessary when photographing an object with an ordinary rapid rectilinear lens, and with the same lens used with a negative lens to form a telephotographic combination, as this must depend upon the length of camera extension and the degree of stopping down that maybe necessary.
What to read after Hints And Notes Practical And Scientific for Travellers in the Alps Being a Rev?
You can find similar books in the "Read Also" column, or choose other free books by John Ball to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Obviously with this high magnification any vibration becomes evident in the negative.
Accurate focussing, both by means of the rack and pinion on the lens and finally by the camera pinion, is necessary, and a focussing glass should be employed. The focussing should be done with the actual stop used.
In distant photography with this lens it is always wise to use an orange screen.
It is necessary to remember that, owing to the narrow angle embraced in these views, it is advisable to choose a poin...t of view as nearly level with the object to be photographed as possible, otherwise the angle to which the camera must be tilted results in great distortion of the per- spective. This to some extent limits the usefulness of the lens.
No precise rules can be laid down here as to the comparative length of exposure necessary when photographing an object with an ordinary rapid rectilinear lens, and with the same lens used with a negative lens to form a telephotographic combination, as this must depend upon the length of camera extension and the degree of stopping down that maybe necessary.
What to read after Hints And Notes Practical And Scientific for Travellers in the Alps Being a Rev?
You can find similar books in the "Read Also" column, or choose other free books by John Ball to read onlineMoreLess
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