Zoom lens series

12.5X Zoom Lenses

Continuous zoom lenses with a 12.5:1 zoom ratio, 0.58× to 7.5× optical magnification and a 77.4 ± 2 mm working distance, for cameras with sensors up to 2/3 inch. High resolution and a large magnification ratio make them suitable for inspecting many kinds of parts. Versions add detented or motorized zoom, coaxial illumination and 3 mm or 12 mm fine focus.

Premium zoom optics, without the premium price.

Optical magnification: 0.58× – 7.5×
Zoom ratio: 12.5:1
Max. sensor size: 2/3 inch
Working distance, all versions: 54 to 80 mm
Versions: 12

Versions

Choose a version

Continuous, detented or motorized zoom; with or without coaxial illumination; fine focus on some versions.

12.5X Continuous Zoom Lens

PMS-Z125C

Manual, continuous · WD 77.4 ± 2 mm

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12.5X Zoom Lens with Coaxial Illumination

PMS-Z125C-C

Manual, continuous · coaxial illumination · WD 77.4 ± 2 mm

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12.5X Zoom Lens with 3 mm Fine Focus

PMS-Z125C-H3

Manual, continuous · 3 mm fine focus · WD 71 to 74 mm

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12.5X Zoom Lens with 12 mm Fine Focus

PMS-Z125C-H12

Manual, continuous · 12 mm fine focus · WD 62 to 74 mm (± 2 mm)

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12.5X Detented Zoom Lens

PMS-Z125D

Manual, detented · WD 77.4 ± 2 mm

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12.5X Detented Zoom Lens with Coaxial Illumination

PMS-Z125D-C

Manual, detented · coaxial illumination · WD 77.4 ± 2 mm

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12.5X Detented Zoom Lens with Coaxial Illumination and 3 mm Fine Focus

PMS-Z125D-CH3

Manual, detented · coaxial illumination · 3 mm fine focus · WD 68 to 71 mm (± 2 mm)

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12.5X Detented Zoom Lens with Coaxial Illumination and 12 mm Fine Focus

PMS-Z125D-CH12

Manual, detented · coaxial illumination · 12 mm fine focus · WD 62 to 74 mm (± 2 mm)

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12.5X Motorized Zoom Lens

PMS-Z125M

Motorized · WD 77.4 ± 2 mm

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12.5X Motorized Zoom Lens with Coaxial Illumination

PMS-Z125M-C

Motorized · coaxial illumination · WD 77.4 ± 2 mm

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12.5X Motorized Zoom Lens with Coaxial Illumination and 12 mm Fine Focus

PMS-Z125M-CH12

Motorized · coaxial illumination · 12 mm fine focus · WD 54 to 66 mm (± 2 mm)

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12.5X Motorized Zoom Lens with Coaxial Illumination and 12 mm Motorized Fine Focus

PMS-Z125M-CH12M

Motorized · coaxial illumination · 12 mm, motorized fine focus · WD 70 to 80 mm (± 2 mm)

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12.5X Zoom Lenses compared
Version	Model	Zoom	Illumination	Fine focus	Working distance	Datasheet
12.5X Continuous Zoom Lens	PMS-Z125C	Manual, continuous			77.4 ± 2 mm	PDF
12.5X Zoom Lens with Coaxial Illumination	PMS-Z125C-C	Manual, continuous	Coaxial		77.4 ± 2 mm	PDF
12.5X Zoom Lens with 3 mm Fine Focus	PMS-Z125C-H3	Manual, continuous		3 mm	71 to 74 mm	PDF
12.5X Zoom Lens with 12 mm Fine Focus	PMS-Z125C-H12	Manual, continuous		12 mm	62 to 74 mm (± 2 mm)	PDF
12.5X Detented Zoom Lens	PMS-Z125D	Manual, detented			77.4 ± 2 mm	PDF
12.5X Detented Zoom Lens with Coaxial Illumination	PMS-Z125D-C	Manual, detented	Coaxial		77.4 ± 2 mm	PDF
12.5X Detented Zoom Lens with Coaxial Illumination and 3 mm Fine Focus	PMS-Z125D-CH3	Manual, detented	Coaxial	3 mm	68 to 71 mm (± 2 mm)	PDF
12.5X Detented Zoom Lens with Coaxial Illumination and 12 mm Fine Focus	PMS-Z125D-CH12	Manual, detented	Coaxial	12 mm	62 to 74 mm (± 2 mm)	PDF
12.5X Motorized Zoom Lens	PMS-Z125M	Motorized			77.4 ± 2 mm	PDF
12.5X Motorized Zoom Lens with Coaxial Illumination	PMS-Z125M-C	Motorized	Coaxial		77.4 ± 2 mm	PDF
12.5X Motorized Zoom Lens with Coaxial Illumination and 12 mm Fine Focus	PMS-Z125M-CH12	Motorized	Coaxial	12 mm	54 to 66 mm (± 2 mm)	PDF
12.5X Motorized Zoom Lens with Coaxial Illumination and 12 mm Motorized Fine Focus	PMS-Z125M-CH12M	Motorized	Coaxial	12 mm, motorized	70 to 80 mm (± 2 mm)	PDF

Features

Optical magnification 0.58× to 7.5×, magnification ratio 12.5:1
High resolution, low distortion and a high numerical aperture
Large field of view on 2/3-inch cameras
Compact structure, easy to assemble and install

Applications

Semiconductor
Automation
Electronic communication

Motorized control

An integrated motorized control system suits all of these zoom lenses: it drives one or two axes over RS232 or USB, and the underlying software code is supplied for OEM platforms.

Technical specifications

12.5X Zoom Lenses: optics

Optical performance

Magnification	Depth of field (mm)	N.A.	F-number	Resolution (µm)	TV distortion
0.58×	2.75	0.025	12.5	13	0.050%
0.6×	2.67	0.025	12.5	13	0.050%
1.0×	0.95	0.043	11.85	7.8	0.002%
1.5×	0.43	0.063	11.95	5.3	0.010%
2.0×	0.27	0.074	13.65	4.53	0.020%
2.5×	0.2	0.082	15.3	4.09	0.003%
3.0×	0.15	0.09	16.5	3.73	0.020%
3.5×	0.12	0.097	18.4	3.46	0.20%
4.0×	0.1	0.1	19.9	3.36	0.018%
4.5×	0.081	0.11	20.4	3.05	0.020%
5.0×	0.073	0.11	22.45	3.05	0.010%
5.5×	0.066	0.11	22.7	3.05	0.010%
6.0×	0.061	0.11	26.8	3.05	0.001%
6.5×	0.056	0.11	29.4	3.05	0.010%
7.0×	0.052	0.11	31.7	3.05	0.005%
7.5×	0.05	0.11	33.9	3.05	0.005%

Field of view (mm), diagonal × horizontal × vertical

Magnification	2/3" sensor
0.58×	18.97 × 15.17 × 11.38
0.6×	18.33 × 14.67 × 11.00
1.0×	11.00 × 8.80 × 6.60
1.5×	7.33 × 5.87 × 4.40
2.0×	5.50 × 4.40 × 3.30
2.5×	4.40 × 3.52 × 2.64
3.0×	3.67 × 2.93 × 2.20
3.5×	3.14 × 2.51 × 1.89
4.0×	2.75 × 2.20 × 1.65
4.5×	2.44 × 1.96 × 1.47
5.0×	2.20 × 1.76 × 1.32
5.5×	2.00 × 1.60 × 1.20
6.0×	1.83 × 1.47 × 1.10
6.5×	1.69 × 1.35 × 1.02
7.0×	1.57 × 1.26 × 0.94
7.5×	1.47 × 1.17 × 0.88

System

Adapters, attachments and fields of view

Field of view of the 12.5X zoom lens with lens attachments and adapter tubes — Field of view and magnification with 0.25× to 2.0× lens attachments and 0.5×, 1.0× and 2.0× adapter tubes, for 2/3", 1/2" and 1/3" cameras. Values in brackets are theoretical; the image corners are dark there.

Which 12.5X zoom lens fits your set-up?

Tell us your camera, field of view and working distance, and we will put together the lens, adapter tubes, attachments and illumination with a quotation.

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