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Reflex viewfinder
The reflex prism deflects into the viewfinder, an average of 25 %
of the iight passing through the iens. Aiiowance has been made
for this factor in the table of exposure times on page 9, under
the heading "photometric exposure times".
Adjusting the eyepiece to the operator's sight
Remove the iens.
Loosen the eyepiece iocking screw.
View a weii-lighted subject (sky, white wall, etc.).
Turn the milled ring of the eyepiece untii the grain of the
ground giass is perfectiy sharp.
Tighten the iocking screw.
Repiace the iens.
If this adjustment is correct, a far-off subject (further than approx.
450 ft) must appear compieteiy sharp at fuii aperture, distance
setting ring in position (oo).
Closing the viewfinder
If the reflex viewfinder is not used during fiiming, ciose it by
moving the smaii lever (5) into the verticai position. If it is ieft
open, there is a risk of suniight or artificiai iight from behind the
camera entering the viewfinder eyepiece and fogging the film.
Optical equipment
The H16 EBM Electric camera takes two kinds of lenses :
Bayonet mount lenses, Bolex system.
Centring diameter: 60 mm.
Distance between bearing plane and lens focal plane : 23.22 mm.
"C"
mount lenses fitted with a special adapter
(except the Vario-Switar 86 and 100 or certain very cumbersome
lenses).
Thread diameter: 1" (25.4 mm).
Maximum thread iength : 4.06 mm.
Distance between bearing piane and lens focal plane : 17.52 mm.
When using "C" mount ienses, the best picture quaiity at short
focai length and with wide aperture is obtained with the lenses
marked H16RX. These lenses are specially corrected to take
into account the refiex prism of the camera.
Fitting the bayonet mount tenses
Press the locking lever and loosen the fixing ring to stop po¬
sition.
Remove protective cap.
Insert the lens, with white notched tongue at the top (white dot).
Tighten the fixing ring.
6
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