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Compound Optics BF/DF Focus Block FU3050 Series |
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 Based on MT Series metallurgical components, the FU3050 Compound Optics Brightfield/Darkfield Focus Block can be the starting point for a custom microscope designed to fit your application or a turnkey OEM/VAR solution. The FU3050 can use standard infinity corrected Brightfield/Darkfield Plan Epi metallurgical objectives in its quintuple nosepiece. This compound optics focus block can also be mounted on the MAC-11 heavy duty stand (38mm pillar diameter) for the MC BF/DF Series or simply bolted onto any vertical plate accommodating the bolt pattern. The total focus travel is 30mm. Binocular viewing heads or trinocular viewing heads for photo and video applications are also available. |
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Optional Optical Components
Erect image binocular heads or non-erect image trinocular heads for photomicrography can be used. (Viewing heads are not included.)
EYEPIECES
Paired DIN KHW10x, FN 22 (Eyepieces are not included).
OBJECTIVES
Meiji Infinity corrected Brightfield/Darkfield Plan Epi objectives can be used. See list below. (Objectives are not included with the FU-3050.)
EPI - ILLUMINATION
This focus block accepts a fiber optic light source with light guide and vertical illuminator (MA993). Illuminator filters include clear blue, clear green, ND25, polarizing, and neutral density (ND8) filters in metal mounts. (Illumination is not included with the FU-3050.)
Click below for a diagram in PDF format:
Click
here for a diagram
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FU-3050
Optional Z-Axis Micrometer Attached to
FU-3050
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System Components |
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| FU-3050 Series Focus Blocks |
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Model
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Description
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FU-3050
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Coaxial focus block with
quintuple nosepiece for Plan Epi
Brightfield/Darkfield objectives (26mm thread x
0.706mm pitch, 36 TPI), includes mounting bracket to
fit 38mm pole. (For use with MC Series Mac-11
Stands or Z-Axis type stands)
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FU-3054
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Coaxial focus block with
quadruple nosepiece for Plan Epi
Brightfield/Darkfield objectives (26mm thread x
0.706mm pitch, 36 TPI), includes mounting bracket to
fit 38mm pole. (For use with MC Series Mac-11
Stands or Z-Axis type stands)
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Viewing Heads
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| Part Number |
Description
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| MA815 |
Binocular head -
Siedentopf type, I.P. adjustment 53mm to 75mm,
graduated diopter on left eyetube (30.0 mm I.D.
eyetube). Inclined at 30 degrees.
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| MA816 |
Trinocular head -
Siedentopf type, I.P. adjustment 53mm to 75mm,
graduated diopter on left eyetube (30.0 mm I.D.
eyetube). Inclined at 30 degrees.
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| MA957 |
Ergonomic tilting
binocular head - Adjustable vertically from 10
to 50 degrees.
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| MA979 |
Trinocular head -
Siedentopf type, erect image with sliding 0/100
beamsplitter, inclined at 30 degrees, I.P.
adjustment 53mm to 75mm, graduated diopter on
left eyetube.
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Eyepieces (30.0mm
O.D. Eyetube)
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| Part Number |
Description
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| MA817 |
SWH10X Widefield
high eyepoint eyepiece, Field No. 22.0, tube
O.D. 30.0 mm (each) (MA817 accepts optional 25mm
diameter reticle)
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| MA818 |
SWH15X Widefield
high eyepoint eyepiece, Field No. 16.0, tube
O.D. 30.0 mm (each) (MA818 accepts optional 19mm
diameter reticle)
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| MA819 |
SWH20X Widefield
high eyepoint eyepiece, Field No. 12.0, tube
O.D. 30.0 mm (each) (MA819 accepts optional 19mm
diameter reticle)
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| MA859 |
SWH10X-F Focusing
eyepiece with reticle mount (without reticle),
tube O.D. 30.0 mm (each) (MA859 accepts optional
25mm diameter reticle)
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| MA906 |
Eyeshield for MA817
SWH 10X eyepiece (each)
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Illumination
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| Part Number |
Description
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| MA993 |
Vertical Koehler
illuminator, with sliding rotatable polarizer,
infinity tube lens, focal length 200mm, with
clear blue, clear green, and ND 25, neutral
density and polarizing filter in metal mounts.
Port to accept FL150/12 flexible 36” single
flexible bundle light guide.
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| FL150/115 |
Light source:
110/120V, 50/60Hz operation, halogen lamp, 21V
150W, with variable light-intensity regulation,
maximum color temperature 3,200° K, with AC fan.
(USA)
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| FL150/200 |
Light source:
220/240V, 50/60Hz operation, halogen lamp, 21V
150W, with variable light-intensity regulation,
maximum color temperature 3,200° K, with AC fan
(Europe)
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| FL150/12 |
Single arm light
guide (36” flexible) with special end tip to fit
MA993 Vertical Illuminator
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| FL150/12-60 |
Single arm light
guide (60” flexible) with special end tip to fit
MA993 Vertical Illuminator
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| FL150/70 |
Spare bulb, 21V 150W
(EKE)
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Brightfield/Darkfield
Plan Epi Objectives
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| Part Number |
Description
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| MA923 |
Plan Epi Objective
BD 5X, N.A. 0.10, W.D. 17.0 mm, F.N. 22
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| MA924 |
Plan Epi Objective
BD 10X, N.A. 0.25, W.D. 7.48 mm , F.N. 22
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| MA925 |
Plan Epi Objective
BD 20X, N.A. 0.40, W.D. 5.20 mm , F.N. 22
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| MA926 |
Plan Epi Objective
BD 50X, N.A. 0.75, W.D. 0.38 mm, F.N. 22
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| MA686/05 |
Adapter to mount
20.1mm RMS thread objective to BF/DF nosepiece
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Filters
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| Part Number |
Description
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| MA275/25 |
Blue clear filter,
20.0mm diameter filter, in 30mm metal mount
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| MA275/30 |
Green clear filter,
20.0mm diameter filter, in 30mm metal mount
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| MA275/50 |
N.D. 50 neutral
density filter, 20.0mm diameter filter, in 30mm
metal mount
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| MA959 |
Polarizing filter,
20mm diameter filter, in 30mm metal mount
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