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                                              Vision Tester Accessories 

 Lipin/Dietz Associates, Inc.


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T2 Vision Testers

 

Keystone Vision Tester - 1948

If you are testing with one of these instruments, you probably know that Harry Truman was president when it was manufactured. It's time to update.....really now....the buck stops here!

      Titmus OV-7 Vison Tester - 1959

If you are testing with one of these instruments, keep in mind that it is probably 30 years older than your current refrigerator and was designed before color televisions were in use! Trust me, its time to update.  The negative in the color slide is about as orange as this text.

Titmus TII,TIIc, T2a Series 

The above vision tester is a T2a. The TII series instruments look similar except that they are tan.  Manual vision testers do not have the attached keypad; they have a knob on the right side of the vision tester to manually turn the slide drum.

 
Model
    Introduced
 Discontinued
Control
Instrument Serial Numbers

Keystone
  1948
Many Yrs Ago
Manual control
No spare parts available

OV-7
  1959
1985
Manual control
No spare parts available
Model TII
  1985
1994
Remote control panel
* See Note 1
Model TIIS
  1986
1994
Manual control
* See Note 1
Model TIIC
  1989
1994
Computer controlled
* See Note 1
Model T2a
  1994
N/A
Remote control panel
a-xxxxx, CA-xxxxx
Model T2s
  1994
N/A
Manual control
s-xxxxx, CS-xxxxx

* Note 1: Spare parts for these models discontinued as of 10/11/01. Parts available as long as inventory lasts.

 

 

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Last modified: October 28, 2015