Instructions
Protective T-Ring CANON EOS
The glass thickness (3mm) of the built-in 50.8x3mm filter is taken into account in the
mechanical construction. The resulting effective overall optical length for each CANON EOS
camera thus amounts to 55mm - precisely the overall optical length of standard T-rings.
If, instead of a 3mm thick filter, a normal Baader 2" Filter with a low profile filter cell is used, the
effective overall height of 55mm deviates from the standard by just +0.3mm. This deviation is
negligible.
Included in delivery:
1. Protective T-Ring for CANON EOS body
2.
Optional:
Baader clear protective filter, 50.8mm x 3mm (protective T-rings are available with
a range of pre-assembled filters – see price list or the label on the product packaging)
3. Temperature compensation ring (to prevent filter damage at high temperatures)
4.
S52/M48 adapter ring (M48 corresponds to the international 2" Astro filter thread)
5. M48/T-2 insert ring
6.
S52/2" connector socket (with additional 2" M48 filter thread on the front side)
7. 1.5mm Allen key
When supplied with filter, a Baader clear protective 50.8mm filter is built
in to the
Protective T-ring for the CANON EOS
for example. The
S52/M48 adapter, as well as the M48/T-2 insert ring, are similarly pre-
assembled – however, the M48/T-2 insert ring is only loosely screwed in.
As supplied:
(Fig. 2)
21.11.2011
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G:\Anl\Baa\Zub\Protective\ProtectiveT-Ring-CanonEOS-e.doc
Fig. 1:
Included in delivery and assembly sequence:
(The unmounted filter is only shown here to illustrate the assembly sequence!)
