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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
Great. But may steps to create a PDF. Also deleting pages is not included as standard. But there are easy workarounds to this restriction. So why have this restriction?
2017-03-03
I love PDF filler overall. It is a little cumbersome for my purposes because I'm printing out documents for patients while they are seated in front of me. The pages take time to load. Maybe that is my computer. I have to click several times to get to the final print link. But, I like the ease of editing documents.
2017-05-18
I like it but I still don't get the refined product I am using plus in the ad, it said "$6/month" when they charged me it was $20. How come?
2018-08-18
I like using the program the only downfall for me is unless I pay more for the subscription I'm not allowed to use the premier options. That is my opinion It's already expensive for me since I really only use it for tax returns.
2019-03-07
Easy way to fill out. Don't have to print and scan. Very clean. I liked the signature filler. Just uploaded and place wherever there's a signature and shows up with PDFfiller date stamp
2020-03-25
PDF Filler - Time Saver
It's another great tool to have in my toolbox. It's important to be quick and effective in my line of work and this helps tremendously.
Love that I can go in and make corrections quickly and can share with my clients securely. Even more, I love that I can easily eliminate pages or combine documents into one.
It took a few times using the app to figure it out.
2019-09-20
SIMPLE AND EASY TO UNDERSTAND FOR PEOPLE WHO ARE NOT TECH SAVY
ITS GOOD BUT PRICE SHOULD BE MADE RESONABLE SO THAT MORE PEOPLE CAN AFFORD AND USE YOUR TOOLS. FOR PEOPLE IN INDIA IT IS STILL EXPENSIVE. IF YOU REDUCE YOUR PRICE, IT WILL BE AFFORDABLE TO MANY AND YOU WILL HAVE MORE CUSTOMER VOLUME IN INDIA THAN ANY OTHER COUNTRY. THIS WILL HELP YOU GENERATE MORE REVENUE.
2023-03-08
it did what l wanted it to do. i was not aware this kind of software existed until pdf filler. if l do this kind of job regularly l will use Pdf filler
2022-05-04
I had an issue, and customer service reached out right away to offer help!
I will use them from now on, good service makes all the difference!
Thank you! **
2020-06-04
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What is diffraction limited resolution?
An optical system with the ability to produce images with angular resolution as good as the instrument's theoretical limit is said to be diffraction limited. The resolution of a given instrument is proportional to the size of its objective, and inversely proportional to the wavelength of the light being observed.
What is meant by the diffraction limited resolution of a telescope?
angular resolution. Ability of a telescope to distinguish between adjacent objects in the sky. Diffraction-limited resolution. Theoretical resolution that a telescope can have due to diffraction of light at the telescope's aperture. Depends on the wavelength of radiation and the diameter of the telescope's mirror.
What is the diffraction limit of a telescope?
What is the diffraction limit of a telescope? The minimum angular separation of two sources that can be distinguished by a telescope depends on the wavelength of the light being observed and the diameter of the telescope. This angle is called the DIFFRACTION LIMIT. In this equation, the computed angle is in radians.
What is meant by resolution of a telescope?
The angular resolving power (or resolution) of a telescope is the smallest angle between close objects that can be seen clearly to be separate. Resolution is limited by the wave nature of light.
What does diffraction limited mean?
Diffraction limit means that an imaging lens could not resolve two adjacent objects located closer than /2NA, where is the wavelength of light and NA is the numerical aperture of the lens. E.g. the resolution of optical imaging instruments, is fundamentally limited by the diffraction of light.
How does diffraction affect resolution?
Diffraction causes points of light which are close together to blur into a single spot: it sets a limit on the resolution with which one can see. If the light passes through a circular aperture.
Why do you think this limit of resolution is described as diffraction limited?
There are many situations in which diffraction limits the resolution. The acuity of our vision is limited because light passes through the pupil, the circular aperture of our eye. Be aware that the diffraction-like spreading of light is due to the limited diameter of a light beam, not the interaction with an aperture.
What does it mean to be diffraction limited?
An optical system with the ability to produce images with angular resolution as good as the instrument's theoretical limit is said to be diffraction limited. The resolution of a given instrument is proportional to the size of its objective, and inversely proportional to the wavelength of the light being observed.
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