TF-5470A professional oculus type trial frame for eye testing be inserted simultaneously 4 pieces


Offer price breaks when you order a larger quantify.

Leading time would be depends on our work efficiency and delivery schedule, usually within 2 business days.

Shipping: Ships in 2 business day


The tool workbench is made of aluminum profiles as raw materials, using a variety of aluminum profiles, cutting precision, It is easy to process, and the surface is not rusty. It can be combined with various materials and accessories to assemble into various Various styles of workbenches are beautiful and portable, easy to disassemble and assemble, flexible to adjust, and can be customized on demand.

It does not require maintenance and is widely used in various industrial production industries.

safety & guarding

Aluminum profile small shield Product classification: Industrial fence/protection case The whole is made of aluminum profile 4040 and frosted pc board. The overall appearance is beautiful and atmospheric, relatively stable, and the size can be customized according to requirements

Machine Enclosure Machine Frame

The automobile inspection fixture frame is assembled with aluminum profiles and accessories, and the product is designed according to customer requirements Appropriate frame structure, using heavy-duty profiles and supporting connectors, beautiful products , Atmosphere, high strength, please consult APS online customer service for details


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ICA 2019 and EAA Euroregio - DEGA

Proceedings of the ICA 2019 and EAA Euroregio 23rd International Congress on Acoustics. integrating 4th EAA Euroregio 2019 9 - 13 September 2019. Aachen. Germany

(PDF) Robert Hooke's Microscope (finished thesis) | Ian

Robert Hooke's Micrographia of 1665 displayed the intricacies of tiny nature as they had not been seen before, and in doing so it represented a novel idea of the relationship between humans and the natural world- As this relationship shifted, so

Calaméo - Essays Philological and

Read the publication &`!&` - y, f // <`y se&`tut&`bu-,/ /ff , , <` ESSAYS PHILOLOGICAL AXI) CRITICAL. ESSAYS PHILOLOGICAL AND CRITICAL SELECTED FROM THE PAPERS OF JAMES HADLEY, LL. D. Professor of Greek in Yale College ! President <`y the American Oriental Society ! Vice-President of the American Philological Association ! Member of the Xational Academy of Sciences, etc. , etc. Bonbon ! M A C M I L L ...

Leung EW, Medeiros FA, Weinreb RN. Prevalence of ocular

The distribution of Schirmer test score showed the highest frequency between 10 and 15 mm in the 3 min test (ST·3), while in the 5 min (ST·5) test this was around 25 mm with one third of the ,,,

Preface 1 Microscopy from the very

for four wavelengths,) and, simultaneously, flawless image flatness for fields of view with dia. 25 mm. Highest numerical apertures for a resolving power at the very limits of the physi_cally possible. For professional photomicrography. In a word| the Stradivaris of microscope optics. 5. Special objectives – only a small selection|

US20090018419A1 - Biosensors, communicators, and controllers

Biosensor, communicator, and/or controller apparatus, systems, and methods are provided for monitoring movement of a person'|s eye, The apparatus includes a device configured to be worn on a user'|s head, a light source for directing light towards one or both eyes of the user, one or more image guides on the device for viewing one or both eyes of the user, and one or more cameras carried on the ,,,

devRant - A fun community for developers to connect over code

A community of over 30,000 software developers who really understand what’s got you feeling like a coding genius or like you’re surrounded by idiots (ok, maybe both)

Customer Reviews: Arlo Pro 3 6-Camera Indoor/Outdoor Wire

I must say I was excited to test out this system. I currently have an off brand, 4 camera system and Guardzilla 360. The off`brand cameras tend to lose WIFI connection quite a bit and is very frustrating. The 360 is a nice camera, but the software interface for my android phone really needs an upgrade.