CinePlex v3 Manual - Plexon Inc

C.2 Lens Selection
For CinePlex Version 3, Plexon currently offers the AVT Stingray camera (Type
1/2 CCD) and several lenses - both varifocal and zoom. Experimental setups may
have to be changed to accommodate camera and lens limitations. The limiting
factors are that the lens must be able to focus the arena image and that the arena
image should fill the screen. If the camera’s distance to the arena is fixed, the
arena size must be kept within certain limits for best results. Alternatively, if the
arena size is fixed, the distance between the camera and arena must be kept
within limits for best results.
Most investigators will find that they need to compromise arena size and/or camera
distance to accommodate the physical limitations of the camera/lens combinations.
Procedure for Lens Selection
1 Determine Optimal Arena Setups
Use the charts below to determine if a particular lens can be used with the
current experimental setup. The area between the green and blue lines in the
charts represents arena size and camera distance combinations that are
acceptable for best results.
Version 3.0 C-3