The ZEISS Siemens Star Test Chart is a professional lens chart that has been used for decades to set the back focus on lenses used on individual cameras. It is especially useful when adjusting a ZEISS CP.2 cine lens for use on a DSLR camera after the lens mount has been converted from PL to another type (such as EF), or vice versa.
- For Adjusting Lens Back Focus
- Aligns CP.2 Lenses for DSLRs
ZEISS 1849-755 Overview
ZEISS 1849-755 Specs
|Package Weight||0.535 lb|
|Box Dimensions (LxWxH)||17.8 x 12.5 x 0.3"|
ZEISS 1849-755 Reviews
Just works. Reasonably priced.
I actually have 5 of these. One for each corner of frame + middle. I only do landscapes now. But getting the absolutely sharpest print up to 48 or 19' with pano stitching requires me to know my lenses very very well. I use only Zeiss manual focus lenses, so I can tweak depth of field and sharpest image. When I used 23 megapixel cameras, I could take 1 manually focused shot and get a very sharp image with great depth of field. From 30 megapixels and higher, you can tell a bigger difference in the sharpness at different distances. These charts are very helpful to understand my lenses to maximize those megapixels and high quality lenses. Use as first check on new lenses for decentering and tilt. Mount them on plywood and use in the field to help understand my focus points for focus stacking on my wide angles. As well as evaluating sharpest F stop without field curvature. Your mileage may vary.
I use it as one step in testing lenses after being purchased. It can help to tell if the lens is decentered (see write up in lensrental blog)
Great for Evaluating Lenses
This chart has been very handy in evaluating lenses issues like tilt or de-centering. Extremely helpful with used lenses that may have some hidden problems.The chart is very high quality but somewhat overpriced for what it is. If you need to evaluate lens alignment, this is what you need.
Perfect for testing
Arrived quickly and in perfect shape. Worked out as expected for our testing.
Useful for comparing lens performance, accurate.
Does what it should
Nicely laminated, perfect for the task intended.
Fantastic lens test chart
The best $28 you will spend. By placing the center dot in my live view finder at 10x power magnification I was able to not only check lens de-centering but also by shifting inside and outside focus was able to determine if the lens suffered from chromatic aberration. One lens had considerable CA until I shopped down to f/5.6. Now I will always know the aperture my lenses perform best.
Well worth the price.
Precisely made, easy to use. A valued resource for lens testing.
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