Open Access Focal length Journals

A list of Open Access Focal length journals for you to publish your manuscript in

Focal length is measure of how strongly an optical system converges or diverges light

All articles published in Open Access journals have undergone peer review and upon acceptance are immediately and permanently free for everyone to read and download.

Hopefully this list of Focal length Open Access journals will make it easier for you to decide where to publish your Focal length manuscript.
Our list includes all the high-impact factor Focal length journals that may be relevant to your field of study. In any case, we've also included other journals that may also offer more affordable publishing fees.Instead of displaying the most commonly known Focal length journals, we have made an exhaustive list of open accesss Focal length journals. Use our different columns — number of papers, number of citations, and relevance — to find the best Focal length venue for your manuscript.

The DOAJ columns refers to the The Directory of Open Access Journals, a list of open access journals, maintained by Infrastructure Services for Open Access.
There are certain criteria a journal must meet to be indexed by DOAJ, and thus inclusion in the DOAJ index is seen by scholars as a mark of quality.


All the open access Focal length journals in this list are indexed in OA.mg.
If you spot any mistakes in this table of Focal length OA journals, don’t hesitate to send us an email.

Open Access Focal length Journals
NameISSNDOAJPublisherNo. of PapersCitationsRelevanceWebsite
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Frequently Asked Questions

Where can I publish my Focal length paper?
You can publish your Focal length paper in the Open Access journals in this list
What is Open Access (OA)?
Open Access aims to provide immediate and unrestricted access to research articles while along you to also share it freely
What does “relevance” mean in the table?
If a journal has a relevance of “100”, that means that the journal is fully related to the concept it is listed under. If, on the other hand, a journal has a relevance of “0”, that means that the journal doesn’t have any relation to the topic it is listed under. So Nutrition might have a low relevance when included in Open Computer Science Journals
How do you count total number of citations?
The citations represent the times that works have cited papers under this journal. In our case, we obtain this data from OpenAlex, an open catalog of scholarly papers. It's hard to say how accurate it is but it can give you a general idea on how prestigious the journal is. The more work that have cited it, the better.
Where can I find other lists like this one?
To search for more open journal lists under different topics, look on OA.mg
How can I publish my paper on OA.mg?
At the moment, we do not offer publishing services, that's why we made these lists, so you can find the right journal to publish your paper in. Our goal with OA.mg is to help disseminate research.
What is an APC?
In some cases, articles published in journals are made open access and freely available online, immediately upon publication. This is made usually made possible by an article-processing charge (APC) that covers the range of publishing services provided.
What are the different Open Access types?
Depending on the license, a research paper might be categorised as a) Gold Open Access, b) Hybrid Open Access, c) Green Open Access, d) Bronze Open Access, e) Diamond Open Access, or f) Black Open Access