Olympus BH2-TET Operating instructions

QUADRUPLEOBSERVATIONTUBE
BH2-TET
REPAIRMANUAL
OLYMPUS

BH2-TET
INTRODUCTION
1. Pay attention to the following points when using this manual.
@ This manual describes assembly and adjustment of the connecting
tube of BH2-TET. For adjustment of BI and TRC part, refer to the
following manuals.
(1) BH2-B130 Repair Manual
(2) BH2-TR30 Repair Manual
BH2-B130 Repair Manual
0
Adjustment part explained in this manual
Adjustment of optical .axis and
parfocality of straight tube
Adjustment of optical axis and
parfocality of connecting tube
.
Positioning of beam splitter Adjustment of
mirror inclination

BH2-TET
CONTENTS
A, OUTLINEOFPRODUCT
1, OUTLINE___________-____________________-_____ A-2
2, FEATURES
------------------------------------- A-2
3, USINGCONDITIONS---_------_-________-~~~~~~~~A-2
4, SPECIFICATIONS -_-_____________-___----------- A-3
B, DISASSEMBLYPROCEDURE
1, DISASSEMBLY PROCEDURE ------------------------ B-2
C, ASSEMBLYANDADJUSTMENT
1, ASSEMBLYOFEACHPART
------------------------ c-2
2, TENTATIVEASSEMBLY
---------------------------
c-3
3, ADJUSTMENT OFSTRAIGHTTUBE------------------ C-6
4, ADJUSTMENTOFCONNECTINGTUBE---------------- c-8
Do JIGS,TOOLSANDADHESIVES
1, ADHESIVES
------------------------------------
D-2
2, JIGSANDTOOLS
----------------_-_------------
D-3

BHZ-TET A. OUTLINE OF PRODUCT
CONTENTS
1, OUTLINE
-------------------------------------------
A-2
2, FEATURES
------_-----------_----------------------
A-2
3, USINGCONDITIONS________-__________-------------A-2
4, SpE(-IFI(-ATIONS-____-____-_-__---__---------------A-3
A-l

BHZ-TET A. OUTLINE OF PRODUCT
11, OUTLINE I
This is the quadruple observation tube having binocular tube of 30°
inclination angle (fixed) used for the system microscope BH2 series,
straight tube used as an optical path for photomicrography or TV
camera and connecting tube used as an optical path for TV camera
with straight tube.
12. FEATURES I
(1) Left and right diopter differences can be corrected with the
helicoid ring of one side.
(2) Optical paths are independent for photomicrography and TV camera,
respectively, enabling simultaneous photography with TV monitor
image.
(3) Use of mold preventive agent suppresses generation of mold,
offering a good observation image.
13, USINGCONDITIONS
(1) Unusable with BH2 accessories BH2-DO (including MD01
I BH~-SPS (including MPS)
(2) Only the C-mount type TV camera can be mounted on the connecting
tube.
Mountable TV camera: C-mount type TV camera, 2kg or less
(3) The PM photomicrographic system or TV camera system can be
mounted on the straight tube.
(4) When the PM photomicrographic system is mounted on the straight tube,
the connection cable of the PM photomicrographic system interferes with
the TV camera system with a certain size mounted on the connecting tube.
* TV camera size mountable on the connecting tube:045 x 70mmmax.
(avoided with the exclusive cable)
A-2

BH2-TET A. OUTLINE DF PRODUCT
4, SPECIFICATIONS I
Item
1 Observation tube
inclination angle
Specification Remarks
300
2 Field number 21 (16 in the connecting tube) *75%
3 Interpupillary 53 - 75mm
distance adjustment
range
4 Optical axis Parallel axis
5 Left/right diopter Sleeve-L with diopter adjustment ring
difference correction (correction range +5 diopter)
6 Photomicrographic PM mount
system mount
7 TV camera system
'mount Straight tube: C-mount type TV camera
is mounted through MTV3.
Connecting tube: C-mount type TV camera
is directly mounted.
8 Light path selection Selectable in 3 steps
(Light intensity selection is impossible
on the optical path of the
straight tube and the connecting tube.
:9 Weight
Binocular 0% 20% 100%
Straight tube 50% + 40% + 0%
Connecting tube 50% 40% 0%
l
2.7kg
A-3

BH2-TET B. DISASSEMBLY PROCEDURE
CoNTENTS
1, DISASSEMBLYPROCEDURE
------
----------------_------
B-2
c
B-l

BH2-TET B. DISASSEMBLY PROCEDURF:
11, DISASSEMBLYPROCEDURE
0
Disassemble the mount part of
CONNECTINGTUBE as illustrated
on the left.
Screw AB3x14SA 3 PCS.
0
Remove the PLATE 0 (stuck with
a double coated tape) of the
CONNECTINGTUBE with care taken
not to bend it.
@ Remove the MIRROR MOUNT@.
Screw CUK3x8SA 3 PCS.
69 Remove the MIRROR@ (stuck with
the silicon type adhesive).
@ Remove the CONNECTINGTUBEa
from the STRAIGHT TUBE.
Screw AB4x35SA 4 PCS.
G9 Remove the PRISM@ (fixed with
the epoxy type adhesive).
B-2

BH2-TET B. DISASSEMBLY PROCEDURE
G3
H
v
0
0 -
-1
0‘.
e3
8
0
0
0
1
Remove the PRISM MOUNT@from
the CONNECTINGTUBE.
Screw ANU3x4SA 2 PCS.
Remove the RING@from the
PRISM MOUNTa, and take off
the lens 0.
Remove the LENS FRAME@from
the CONNECTINGTUBE.
Adjustable spanner (TETKC02)
Remove the RINGafrom the LENS
FRAME@, and take off the LENS@.
Disassemble the STRAIGHT TUBE.
Screw AB3x45SA 3 PCS.
B-3

BH2-TET C. ASSEMBLYAND ADJUSTMENT
CONTENTS
1, ASSEMBLY OF EACH PART __--- __~~~~~__~___~~~~~_ -_---_
c-2
2, TENTATIVEASSEMBLY
_-------------------------------- c-3
3, ADJUSTMENTOFSTRAIGHTTUBE----------------------- C-6
4, ADJUSTMENTOFCONNECTINGTUBE-------------------- C-8
C-l