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Home » Product Range » Autocollimator-ACT-01


Autocollimator-ACT-01 is a Precise Instrument for small angular tilt measurements. Micro-Optic Visual Autocollimator-ACT-01 resolution ranging from 3 arc secs to 0.5 arc secs for Straightness, Squareness, Flatness , Rotary table calibration in Machine Tool Industry. Wide range of Stands and accessories are offered to suit various applications. Autocollimator with camera attachment available with software for Straightness & Flatness or machine Geometry measurements.

Prisms India offers a wide range of Micro-Optic & Electronic Autocollimators to suit the end users application and budget. Prisms India Autocollimator-ACT-01 are equipped with highly accurate Micrometers. The mounting Telescope tubes are made from high quality Stainless Steel material to avoid rusting.

Microptic Autocollimator-ACT-01

90 Deg. Viewing Direct Viewing
Autocollimator-ACT-01 Microptic Autocollimator

Model ACT-01 ACT-02/03 ACT-04
Clear Aperture 25 mm 35 mm 55 mm
Readout Micrometer Micrometer Micrometer
Resolution/ Micrometer 3 Secs 1 Sec 0.5 Secs
Accuracy over 1 Minute Range 6 Secs 2 Secs 1 Sec
Accuracy over full Range 30 Secs 10 Secs 5 Secs
Measurement Axis Dual Dual Dual
Range of Measurement 30 Minutes 20 Minutes 10 Minutes
Magnification 16X 24X 48X
Field of View 60 Minutes 40 Minutes 20 Minutes
Illumination LED LED LED
Power 220V, 50 Hz 220V, 50 Hz 220V, 50 Hz
Overall Length 330 mm 400 mm 530 mm

Electronic Autocollimator

Electronic AutocollimatorPrisms India Electronic Autocollimator Model EACT is an advanced version to measure small angular tilts. It employs a high resolution USB camera to capture the cross line position from the reflector. The observations could be stored in the Computer in various formats.

A Special Software available from OEG GmbH, Germany enables evaluation of :
  • Flatness
  • Straightness
  • Squareness
  • Parallelism
  • Rotary Table Calibration
  • For more details visit

EACT is more suitable for Labs, Standards Room and for Machine Alignment.

Specifications : Model EACT-01
Resolution / Sensitivity : 0.05 secs
Recommended Resolution : 0.1 sec
Range of Measurements : up to 1m -- 10 minutes
to 3m -- 5 minutes
to 5m -- 2 minutes
Accuracy over 10 secs : 0.1 sec
Accuracy over full Range : 0.5 secs
Repeatability : 0.1 secs
Overall Length : 330 mm
Weight : 2.5 Kgs


Target Reticule Eyepiece Reticule
Bright Dark
Target Reticule Eyepiece Reticule
Cross Line Graduated
Reticule Graduated Eyepiece Reticule

Eyepiece Reticule is usually a positive cross line reticule. Graduated Reticule could be provided on request to read directly.
While Ordering, Bright or Dark Field Target Reticules to be specified.

Autocollimator Pillar Stand

Autocollimator Pillar StandCast Iron Base with vertical thhreaded pillar that holds a Precision Horizontal Stand with two axis tilt

Additional Information :
  • Item Code : VPS
  • Delivery Time : 3 Weeks

Product Details :
Brand PrismsIndia

Pin Hole Autocollimator

Pin Hole Autocollimator Pinhole Autocollimator for alignment of Mirrors

Product Details :
Country of OriginMade in India
Model Name/NumberPACT-140
Usage/ApplicationAlignment of Mirrors
BrandPrisms India

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