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• Roughness measurement parameters Ra, Rz, Rp, Rv and Rt    • Diamond stylus and piezoelectric pick-up    • Simple 3-button navigation    • Instant access to menu options and settings

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A high precision version of the above Ultra Autocollimator, ideal for ultra-precision measurements and indexing of small angles.  One of the most precise autocollimators on the market, the Ultra High Precision Autocollimator is commonly used for applications such as calibration and setting of Polygons, Rotary Tables and encoders.

The LASER gauge provides the ability to measure included angle, surface finish and contour in a normal and inverted direction with the same speed and accuracy.

A high resolution digital imaging system using CCD technology. Software automatically senses the centre position of the target and calculates displacement from a set datum to ensure a fast setup time with repeatable readings.

• A world leader in speed, position control and accuracy    • The lowest noise floor of any instrument of its kind    • Measure roundness, roughness and contour on a single instrument

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• Vertical straightness units of up to 1200 mm    • Large diameter range with adjustable column and 300 mm radial arm    • Fully automated centre and level capability with radial follow mode

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• Talymin 5 gauge mechanism with 2mm range    • CNC operated motorised radial arm and column    • Fast manual centre and level capability

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Digital InclinometerIs a robustly constructed instrument designed for clear simple reading, the system is ideal where precision angle is required over a large range.

Having said that, from a purely scientific point of view (and it would be interesting to learn if the ‘official’ Zeiss .czi format definition differs from this), the ‘effective’ numerical aperture would be the angle of acceptance of illumination (refractive index of the medium taken into account as per the Abbe formula) that was permitted during the experiment regardless of the maximum NA specs of the lens.

• Cost effective, high volume throughput    • Ideal for the measurement of small components    • Drastically reduces inspection time

Hello and welcome to the Forum! I cannot give you a definitive answer but an opinion. This is because Zeiss ZEN is very much NOT open source software and you need to get a license just to get access to their file format details but maybe someone here already has this or knows the answer more definitively.

The new Form Talysurf® PGI Freeform is a versatile, high resolution system dedicated to the measurement of high precision freeform optics. Providing 3D raster / radial measurement and analysis of spheres, aspheres, diffractives and freeforms.

• The Talyrond® 500H PRO is unsurpassed in speed and position control    • Unmatched straightness and roundness measurement capabilities    • World leading 4 mm range gauge

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Versatile, high range, high resolution system for automated surface finish and contour inspection Meeting the ever increasing demands of next-generation technologies:

The TA51 has a wide range yet maintains a high measurement accuracy, this system is popular in the measurement and calibration of indexing heads and other angular devices such as polygons and clinometers

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• Versatile and easy to use    • Utilises powerful control and analysis software    • Low noise axes and high resolution gauge ensures measurement integrity

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A high precision version of the above Ultra Autocollimator, ideal for ultra-precision measurements and indexing of small angles.

Ra, the roughness average (or average roughness), is the average of the surface heights along a measurement trace. Sa is the average roughness over a ...

(minus cylinder convention). Tolerance on Sphere ... (minus cylinder convention) ... If there is a marking on the spectacle lens indication the intended direction ...

Taylor Hobson's Talyvel Electronic Level systems provide versatile and precise measurement of angle, level, flatness and straightness.

The alignment telescope allows the user to set reference lines of sight by utilising the parallelism and co-axiality of its optical to mechanical axis providing alignment axis of 0.05 mm over 30 metres.

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Sep 12, 2022 — Figure 1.8.7: Polarization by reflection. Unpolarized light has equal amounts of vertical and horizontal polarization. After interaction with a ...

Hi, Going through a .czi metadata to extract some information I ran into both the NA 0.95 of the lens and a value set as the effective Numerical aperture a smaller value at 0.8. I wonder if anyone here can help me find this difference and from there to know which one theoretically is the one to be considered in the computatation of the point spread functio.

Feb 20, 2020 — What Does it Mean to Have a Blue Personality? Medically reviewed by Tiffany Taft, PsyD · The blue personality is motivated by a ...

The TA60 is a cost effective dual axes graticule auto-collimator with a large gauge range to resolution. Its small size and robust design lend itself to fixturing making it easy to adapt to many different applications

Using the latest CCD technology the new Ultra Dual Axis Autocollimator is a highly versatile instrument offering high accuracy and stability over a range of applications.

• Accurate measurement of aspheres, diffractives and freeforms up to ø850 mm    • Ultra high repeatability    • Large work load - Up to 350 kg

The micro alignment telescope allows the user to set reference lines of sight for applications such as the alignment and measurement of bearings and bores.

These Microptic clinometers have been designed for simplicity and very high accuracy allowing setting and measurement of fixtures, angle plates etc.

• Gauge Range up to 4 mm, resolution down to 0.3 nm    • Unparalleled measurement capability    • Ideal for bearings, fuel injectors, crankshafts and turbocharger parts

The NA of the lens is the maximum NA rating it can practically handle using the immersion medium for which is was designed (air, water, glycerol, DIN oil, etc.). You can easily reduce this in practice for any experiment by (e.g.) stopping down the condenser iris and/or using a different mounting and immersion medium to the one for which the NA of the lens was measured at during the lens design and manufacture stage (e.g. using water or glycerol immersion instead of DIN oil with a lens designed for DIN oil immersion will reduce the effective NA of the experiment with that lens to below its rated standard).

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I much prefer open source software, hardware and documentation for scientific transparency. The companies can still make money selling their expensive stuff - open source doesn’t mean they have have to give their kit (or software) away for free.

Tripp Lite offers over 100 USB cables with not only the speed and power your complex devices require, but also an assortment of features and lengths up to ...

The VA900 has an excellent range to resolution with an accuracy of 1 arc sec, this system is popular in the measurement and calibration of indexing heads and other angular devices such as prisms and clinometers.

• Ideally suited for cylinder heads and blocks, gears, sheet metal    • Capable of simultaneous surface finish and contour measurement    • Revolutionary gauge technology

• Ultra fast, non-contact, 3D form measurement    • 3D measurement with 3D surfaces for in-depth reporting    • Rapid set-up with no alignment required

Optical Density (OD) is a convenient tool to describe the transmission of light through a highly blocking optical filter (when the transmission is extremely ...

• Advanced parameter options to suit your application    • USB Connectivity for charging, USB stick storage or printing    • Measure any surface, any height with the included stylus lift

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