QUADRUPLE OBSERVATION TUBE

BH2-TET

REPAIR MANUAL

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, OUTLINE OF PRODUCT 1, OUTLINE ___________-____________________ - _____ A-2

2, FEATURES ------------------------------------- A-2

3, USING CONDITIONS ---_------_-________-~~~~~~~~ A-2 4, SPECIFICATIONS -_-_____________-___----------- A-3

B, DISASSEMBLY PROCEDURE 1, DISASSEMBLY PROCEDURE ------------------------ B-2

C, ASSEMBLY AND ADJUSTMENT 1, ASSEMBLY OF EACH PART ------------------------ c-2

2, TENTATIVE ASSEMBLY --------------------------- c-3

3, ADJUSTMENT OF STRAIGHT TUBE ------------------ C-6 4, ADJUSTMENT OF CONNECTING TUBE ---------------- c-8

Do JIGS, TOOLS AND ADHESIVES 1, ADHESIVES ------------------------------------ D-2

2, JIGS AND TOOLS ----------------_-_------------ D-3

BHZ-TET A. OUTLINE OF PRODUCT

CONTENTS

1, OUTLINE ------------------------------------------- A-2

2, FEATURES ------_-----------_---------------------- A-2

3, USING CONDITIONS ________-__________------------- 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, USING CONDITIONS (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 70mm max. (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, DISASSEMBLY PROCEDURE ------ ------ ------- ---_------ B-2

c

B-l

BH2-TET B. DISASSEMBLY PROCEDURF:

11, DISASSEMBLY PROCEDURE

0 Disassemble the mount part of CONNECTING TUBE as illustrated on the left.

Screw AB3x14SA 3 PCS.

0 Remove the PLATE 0 (stuck with a double coated tape) of the CONNECTING TUBE 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 CONNECTING TUBEa 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 CONNECTING TUBE.

Screw ANU3x4SA 2 PCS.

Remove the RING@from the PRISM MOUNTa, and take off the lens 0.

Remove the LENS FRAME@from the CONNECTING TUBE.

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. ASSEMBLY AND ADJUSTMENT

CONTENTS

1, ASSEMBLY OF EACH PART __--- __~~~~~__~___~~~~~_ -_---_ c-2

2, TENTATIVE ASSEMBLY _-------------------------------- c-3

3, ADJUSTMENT OF STRAIGHT TUBE ----------------------- C-6

4, ADJUSTMENT OF CONNECTING TUBE -------------------- C-8

C-l

BH2-TET C. ASSEMBLY AND ADJUSTMENT

11, ASSEMBLY OF EACH PART l-l Bond the PRISMat the PRISM MOUNTa.

(1) Place the PRISM@on the PRISM MOUNTO.

* Pay attention to the direction

(2) Push the PRISM@in the arrow direction, and adjust the dimen- sion A to 0.5mm (measure with a 0 clearance gauge).

(3) Secure the PRISM@with the SCREW 01 and apply the adhesive to the mounting surface of PRISM MOUNTa and the PRISM@. Adhesive Araldite rapid (OT1315)

l-2 Bond the MIRROR@totheMIRROR MOUNTa.

(1) Place the MIRROR@on the MIRROR MOUNTawith the mirror surface up.

(2) Apply the adhesive to the mounting surface of MIRROR MOUNT and the MIRROR.

Adhesive SE9156 (OT1538)

l-3 Fit the LENS@into the LENS FRAME 0 1 in the correct direction, and tighten the RING 0.

l-4 Fit the LENS@into the PRISM MOUNT ain the correct direction, and tighten the RING@.

c-2

BH2-TET C. ASSEMBLY AND ADJUSTMENT

1 2, TENTATIVE ASSEMBLY

2-l Screw the LENS FF!AME@in the CONNECTING TUBE@.

Adjustable spanner (TETKC02)

2-2 Insert the PRISM MOUNT@all the way into the CONNECTING TUBE@. (Do not fix it.)

Secure the MIRROR MOUNTOtentative- ly to the CONNECTING TUBE@.

Screw CUK3x8SA 3 PCS.

c-3

BH2-TET C. ASSEMBLY AND ADJUSTMENT

@-& 2-4 Place the WASHERDon the mount part of CONNECTING TUBE@.

* Standard thickness of WASHER t=0.5mm

2-5 Secure the SPACER@firmly.

* Place the SPACEROagainst the mount part of CONNECTING TUBE@ even.

Screw AB3x14SA 3 PCS.

!’

2-6 Fit the FILTER@into the SPACER 0, and secure it with the SPRING@.

2-7 Place the SPACER@, WASHER@and MOUNT@on the STRAIGHT TUBE, and secure them.

t

Screw AB3x45SA 3 PCS. f

* Standard thickness of WASHER t=o.smm

c-4

BH2-TET C. ASSEMBLY AND ADJUSTMENT

2-8 Assemble the CONNECTING TUBE @ tentatively.

Screw AB3x35SA 4 PCS.

. . .

_’ ,:

.

c-5

BH2-TET C. ASSEMBLY AND ADJUSTMENT

[ 3, ADJUSTMENT OF STRAIGHT TUBE 3-l Adjustment of parfocality

(1) Set the jigs.

@)Microscope stand (adjusted) @Universal standard eyepiece

(KNOO48) @FT36 (or KNO025) . - @Specimen easy to focus

~ lpm @Objective 10x

(2) Adjust the focus to the specimen. \ / B

(Move the stage up or down.)

(3) Put the eyepiece to the STRAIGHT TUBE.

(4) Adjustathe focus to the specimen at the right tube of BI. (Turn the helicoid ring.)

(5) Read the displacement of optical tube length from the eyepiece scale@.

scale corresponds to O.lmm in

if the displacement reduces in the direction of pulling out the helicoid ring of the eye-

(6) Increase or decrease the thicknessof WASHER@, and check again the optical tube length.

(7) If the optical tube length is out of the standard, repeat adjustment from (5).

3-2 Adjustment of the optical axis

(1) Set the jigs in the same way as in "3-l Adjustment of parfocality". Change only the specimen.

Specimen - l/100 cross micrometer

(2) Adjust the center cross hairs of the eyepiece fit into the SLEEVE-R to the center of the cross micrometer. (move the stage)

C-6

BH2-TET C. ASSEMBLY AND ADJUSTMENT

* After the adjustment, take care not-to move the cross micrometer position.

(3) Put the eyepiece to the STRAIGHT TUBE.

(4) Adjust the center cross hairs of the eyepiece to the center of the cross micrometer by loosening the screw and displacing the MOUNTO .

(5) Tighten the screw securely. (6) Check the optical axis between

BINOCULAR TUBE and STRAIGHT TUBE for displacement.

(7) If the displacement is out of the standard, repeat adjustment from (2).

c-7

BH2-TET C- ASSEMBLY AND ADJUSTMENT

4, ADJUSTMENT OF CONNECTING TUBE

4-l Adjustment of exit pupil

(1) Set the jigs.

O'Microscope stand (adjusted) 2 Centering telescope (KN0029)

8 3 l/100 cross micrometer 4 Eyepiece adapter (TETKCOl)

8 5 DAchlOx @ universal standard eyepiece

(KNOO48)

(2) Look through the centering tele- scope and twist the CONNECTING TUBEato minimize displacement of the exit pupil.

(3) Tighten the screw to fix the CONNECTING TUBEa.

(4) Look through the centering tele-

i!!i!iQ

scope and move the MIRROR MOUNT ain the screw play range to

;, ) minim&e displacement of the exit pupil.

J) Tighten the screw to fix the MIRROR MOUNT@.

C-8

BH2-TET C. ASSEMBLY AND ADJUSTMENT

i

if the displacement reduces in the direction of pulling out the

(6) Increase or decrease the thicknessof WASHER@, and check again the

(1 graduation of eyepiece scale)

(6) Adjust the center cross hairs of the eyepiece fit into the SLEEVE-R to the center of the cross micrometer. (By moving the stage) * After the adjustment, take care

>I

(7) Put the eyepiece to the CONNECTING TUBE, and confirm that the displace- ment of the optical axis between BINOCULAR TUBE and CONNECTING TUBE is less than 5 graduations (0.5mm).

(8) If the displacement is over 5 graduations, repeat adjustment from (4).

1;

4-2 Adjustment of parfocality

(1) Set the jigs.

1 Microscope stand (adjusted) 8 2 Universal standard eyepiece

(KNO048) @Eyepiece adapter (TETKCOl) @FT36 (or KNOO25) @Specimen easy to focus

(2) Adjust the focus to the specimen at the right tube of BI. (Move the stage up or down.)

(3) Put the eyepiece to the CONNECT- ING TUBE.

(4) Adjust@the focus to the specimen. (Turn the helicoid ring.)

(5) Read the displacement of optical tube length from the eyepiece

c-9

BH2-TET C. ASSEMBLY AND ADJUSTMENT

(7) If the optical tube length is out of the standard, repeat adjustment from (5).

4-3 Adjustment of the optical axis

(1) Set the jigs in the same way as in "4-2 Adjustment of parfocality". Change only the specimen.

Specimen . l/100 cross micrometer

(2) Adjust the center cross hairs of the eyepiece fit into the SLEEVE-R to the center of the cross micrometer. (move the stage)

* After the adjustment, take care [I (3) Put the eyepiece to the CONNECTING

TUBE. (4) Adjust the center cross hairs

of the eyepiece to the center of the cross micrometer by loosen- ing the screw and displacing the SPACER@.

(5) Tighten the screw securely.

(6) Check the optical axis between BINOCULAR TUBE and CONNECTING TUBE for displacement.

@I

(7) If the displacement is out of the standard, repeat adjustment from (2).

c-10

. BH2-TET C. ASSEMBLY AND ADJUSTMENT

4-4

4-5 Stick dn the PLATEa.

4-6 Mount the C-MOUNT@.

Apply the adhesive to the fixing screw of SPACER@).

Adhesive Shellac (OT1131)

i.

c-11

BH2-TET D. JIGS, TOOLS AND ADHESIVES

CONTENTS

1, ADHESIVES _-------------------------------------------- D-2

2, JIGS AND TOOLS --------------------------------------- D-3

D-1

BH2-TET D. JIGS, TOOLS AND.ADHESIVES

1, ADHESIVES _'

No. Name

OT1315 Adhesive: Araldite rapid

OT1538' Adhesive: SE9156

OT1131 Adhesive: Shellac

D-2

BHZ-TET D. JIGS, TOOLS AND ADHESIVES

2, JIGS AND TOOLS 6 No. Name

TETKC02 Adjustable spanner

TETKCOl Eyepiece adapter

KNOO48 Universal standard eyepiece

KNoo29 Centering telescope

<Others> * Microscope stand (adjusted) . FT36 (Or IWO0251 . l/100 cross micrometer . DAchlOx . Specimen easy to focus

D-3