Nikon eclipse Ti-S, Instructions Manual, Page: 19 / 25

Chapter 1 Part Names
1.3 Eyepiece Base Unit, Eyepiece Tube, and Eyepieces
17
TI-TS Eyepiece Tube B
Figure 1-11 TI-TS Eyepiece Tube B
Simple and basic eyepiece tube.
TI-TD Eyepiece Tube B
B
Figure 1-12 TI-TD Eyepiece Tube B
Eyepiece tube with a manual shutter and a Bertrand
lens.
The shutter can be closed to cut off the optical path
to the eyepieces, for example when observing with a
camera.
The Bertrand lens can be moved into the optical
path for observation of the objective pupil plane.
TI-TERG Ergonomic Eyepiece Tube
B
Figure 1-13 TI-TERG Ergonomic Eyepiece Tube
Eyepiece tube with an adjustable binocular that can
be inclined to fit the user.
Like TI-TD Eyepiece Tube B, this eyepiece tube is
equipped with a Bertrand lens. The optical path to
the eyepieces can be cut off, for example when
observing with a camera. The Bertrand lens can be
moved into the optical path for observation of the
objective pupil plane.
Eyepieces
(both sides,
sold separately)
Binocular part
Eyepieces
(both sides,
sold separately)
Binocular part
Shutter
operation lever
Bertrand lens
focusing knob
Bertrand lens
in/out lever
Eyepieces
(both sides, sold
separately)
Binocular part
Shutter
operation lever
Bertrand lens
focusing knob
Bertrand lens
in/out lever