LensForge 1.1.16 (March 25, 2008)
- Improvements:
-
Image browse button added to Canvas feature.
- Bug fixes:
-
Prescription listing updated prematurely during lens rebuild.
LensForge 1.1.15 (March 17, 2008)
- Improvements:
-
Added point of interest display to Index Fitter, Index Plotter, and Merit Plotter.
LensForge 1.1.14 (February 28, 2008)
- Improvements:
-
Added multiplot option to spot diagram.
-
Added online help for spot diagram.
-
Test ray (planar and solid view) listing
improved.
- Bug fixes:
-
Airy disk was invisible on spot diagram.
-
Some paraxial calculations broken by 1.1.10.
LensForge 1.1.13 (February 26, 2008)
- Improvements:
-
Added schott-10-10-2007b catalog to glass library
(includes LITHOSIL-Q fused silica).
- Bug fixes:
-
Seidel aberration calculation corrected for refractive surfaces after mirrors.
-
Conrady chromatic aberration coefficients implemented for catadioptric systems.
LensForge 1.1.12 (February 24, 2008)
- Bug fixes:
-
Seidel aberration calculation now includes conic constant
for standard surface (formerly only for aspheres).
LensForge 1.1.11 (February 23, 2008)
- Bug fixes:
-
Seidel aberration calculation now handles mirrors.
-
Aberration calculation works when there is a surface
other than the image surface at the paraxial image plane.
-
File name in listings now updates with Save As...
-
Change from MIRROR to glass name no longer needs to pass
through intermediate state of a blank name.
LensForge 1.1.10 (February 15, 2008)
- Improvements:
-
Spot diagram can now plot ray direction versus position.
-
Encircled or ensquared energy: spiral pattern more uniform.
-
Encircled or ensquared energy: subtract spot centroid option.
-
Radial fans (+x, -x, +y and -y) for layout views.
-
Improvements to OSLO file import.
-
Better solid view shapes for apertured surfaces.
-
View zooming "undo" now independent of lens change undo.
-
View browsing buttons on toolbars for solid and planar view.
LensForge 1.1.9 (January 14, 2008)
- Bug fixes:
-
Undo would crash if Merit Plot window was open.
- Improvements:
-
Canvas feature: image file may be dragged to planar view itself.
-
Canvas feature: last image calibration is remembered.
LensForge 1.1.8 (November 14, 2007)
- New features:
-
Reads CODE V SEQ files with private glasses.
LensForge 1.1.7 (October 15, 2007)
- Bug fixes:
-
Closing then re-opening index fitter would crash.
-
Initial display in planar view was delayed.
LensForge 1.1.6 (October 5, 2007)
LensForge 1.1.5 (September 17, 2007)
- New features:
-
Polynomial surface.
-
Parameter import and export:
- Drag and drop of text or files
- Copy and paste
-
Test ray now displays after-trace quantities:
- Position
- Momentum
- Orientation
- Transfer matrix
-
Image preview display on the lens catalog browser.
-
Improvements to solid view:
- Rotate about the last selected surface
- "Zoom to Fit" on last selected surface
- Rotation to axis alignment is animated
- Zoom is animated
- Filled or wire frame display
- "One click" summoning of Surfaces window
-
Wavelength specified in nanometers.
-
Added value display to merit function plot.
- Bug fixes:
-
Parameter solves were not saved to lfg file.
-
Crash when merit function plot window closed.
-
"Include focus" checkbox on optimizer window did not work.
-
Changes to circular obscuration did not immediately register.
LensForge 1.1.4 (July 29, 2007)
- New features:
-
Vignetting factors.
-
Export graph data to other programs.
-
Graphs display selected data values.
-
Transpose any graph axes.
-
Automatic updates.
LensForge 1.1.3 (May 21, 2007)
- Bug fixes:
-
OPD calculation fixed for infinite conjugate off-axis case.
-
Fixed crash when switching to "total thickness" solve.
LensForge 1.1.2 (February 4, 2007)
- Bug fixes:
-
Asphere ray tracing algorithm improved for
high field angles.
-
Sliders "delta" parameter remembered through undo.
-
Fixed the "using an index of refraction
as a glass name" feature.
LensForge 1.1.1 (January 31, 2007)
- Bug fixes:
-
Optimization no longer always generates an exception.
-
Merit functions now save residual filter in file.
-
Meritoid initial values improved.
LensForge 1.1 (January 29, 2007)
- New features:
-
Improved built-in help.
-
Can move surfaces graphically.
-
Merit functions.
-
Optimization.
-
Plotting merit functions.
-
OPD plot can use length units.
-
Seidel aberrations now include aspheric coefficients.
- Bug fixes:
-
Airy disk on spot diagram works in object-referred mode.
-
Better intelligence to remove glass conflicts.
-
Improved responsiveness of parameter pickup dialog.
-
OPD for image in refracting media.
LensForge 1.0.4 (August 15, 2006)
- New features:
-
Distortion graph.
-
Field curvature graph.
-
Offense against sine condition (OSC') graph.
-
Afocal analysis mode introduced.
-
Telecentric object mode.
-
Option to refer analysis results to object coordinates.
-
Sliders window now lets you modify nominal value.
-
Planar layout view generalized to non-axisymmetric systems.
- Bug fix:
-
Focal length and exit pupil location for tilted systems.
-
Improvements to solves.
-
Coordinate break rotations changed to ZEMAX sign convention.
- Catalog update:
-
Comes with the new version of the Edmund Optics stock lens catalog.
LensForge 1.0.3 (July 18, 2006)
- New features:
-
Geometrical OTF plot.
-
Geometrical thru-focus OTF plot.
-
Geometrical encircled energy plot.
-
Sliders.
-
Command to flip (reverse order) surfaces.
-
Command to close all open option panels.
-
Added plastic materials to the built-in library.
LensForge 1.0.2 (June 3, 2006)
-
Marginal ray solves that are independent of the pupil zone are now active before the stop.
-
Visual feedback for inconsistent solve requests (like chief ray solves before the stop).
-
Some inaccuracies in the solves are fixed.
-
Added Hikari glass catalog to the built-in library.
LensForge 1.0.1 (May 30, 2006)
-
Implementation of Paraxial image height field specification.
-
Glasses used in the design are now saved in the lens file to make the file self-contained.
-
Added Thorlabs stock lens catalog.
LensForge 1.0 (May 26, 2006)
