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The update to version 15.52 incorporates the following changes: 'b*%ixa  
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Features: +;}#B~:  
1. AEI now honors the LB0, LB1, etc. and FLAG, FB1, etc shortcuts as they work in an optimization MACro. fq[;%cr4  
2. A surface can now be declared STATIC in the RLE file. This causes all variables related to that surface to be ignored in the PANT file, so you can use the handy VLIST ... ALL format and still keep certain surfaces and elements unchanged when you optimize the lens.
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3. The DSEARCH optimization MACro now contains a much shorter PANT file, using the new STATIC feature to keep an entered front end static if it is not declared ALL. J?UQJ&!@O  
4. The CAM program now has a new ZSPACE variety. The ENDS selection will distribute the zoom positions in a manner that concentrates them near the ends of the zoom range. This often works better than the other options if the zoom range is large. U$dh1;  
5. Three plastics have been removed from the Unusual materials catalog. Types SP-1516, SP-1715, and SD-1414 are no longer on the vendors website and are presumed discontinued. dsx]/49<  
6. The Field Blur Menu (MFB) now has options to create a custom array of circles or squares, with user-entered size and spacings. 6[E|
 
7. ZSEARCH now has an option (AGROUP) that causes the AANT file in the optimization MACro to contain a single ZGROUP ALL collection of aberrations that will apply to all zooms. Otherwise, it creates a separate set for each zoom, which can be useful if you want to adjust weights on an individual basis, which was the case before. G rmzkNlN  
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Bugs Fixed: '})0!g<Y  
1. The DSEARCH combination USE CURRENT + COVER + BACK SET ... did not work properly. NcPgq?3p  
2. The RPO plot created an incorrect plot if the numbers of fields was greater than the maximum allowed four.