It’s commonly written with f/stop on the camera lens (e.g. f/5.6, f/2.8, f/2). The higher the number, the smaller the aperture or opening and the less exposure. These are all terms that camera manufacturers use to describe the type of focusing motor in the lens, called a silent wave motor.

Other Camera Lens Abbreviations

The government might have a program that needs $50 billion in funding. That letter isn’t Greek or Roman, but the average reader would likely understand the concept. You’d look for a G or MMM in the world of financial analysis and accounting. Some camera lenses have the diameter of the lens printed on it using the diameter symbol “Ø”. This refers to the diameter of the end of the lens and is helpful when purchasing filters for the camera.

What Should be Added to Roman Numerals MM to Get MMMCCXC?

Territory includes Washington, Oregon, Montana, Idaho, Hawaii, Alaska, California, and Utah. Darrel has over 30 years of proven success and is skilled in developing relationships with internal and external stakeholders to drive superior business results. At Old Republic Surety we seek to deliver transparency and clarity in our communications. If you see an abbreviation that is confusing or unclear, please reach out to your local underwriter or branch for clarification, even if you are just asking for a friend. You can also use the abbreviation “mil” in casual conversation. You might hear something along the lines of “He dropped a couple mil on a new car,” or perhaps “How many mils is that house?

What Does M and MM Mean in Accounting?

Prime Lenses – In contrast, prime lenses only have one focal length. They are sometimes called ‘fixed’ lenses because the focal length is fixed at one distance between the lens and the image sensor to keep the subject in focus. You’ll know your lens is a prime lens because the focal length will be a single number listed in front of the millimeter measurement (e.g. 50 mm or 85 mm).

Prime lenses have benefits over zoom lenses because they tend to be lighter weight and also have larger maximum apertures or f/stops. Wide Angle Lenses (25 mm or less) – The first type of common lens with some of the shortest focal lengths are wide angle lenses. The industry standard for wide-angle lenses is to cover a focal length 25 mm or less on a crop sensor camera (40 mm or less on full-frame).

Where Does the mm Abbreviation Come From?

If you have to spend time counting how many zeroes are after a number to understand the full amount, it’ll take extra time to understand what is being communicated to you by an accountant. Most abbreviations used for large cash sums today come from ancient Greek and Roman societies. We still use Roman numerals for some accounting methods, while large figures are designated by the Greek alphabetic equivalent of the specific term. Before you start shopping for new lenses, you’ll want to know before purchasing a lens is what you plan to use it for. A good multi-purpose lens can elevate all types of photography.

How to Use a Ruler to Measure in Millimeters (Plus Estimating Lengths)

The numerical transformation post 13th century in Europe is largely credited to Leonardo of Pisa, also known as Fibonacci. In 1202, he wrote a book called “The Book of Calculation,” in which he advocated for conducting mathematical equations with the Hindu-Arabic numeral system as opposed to the Roman numeral system. If 1,000 multiplied by 1,000 equals 1,000,000, and 1,000 equals M, then we can use the abbreviations to create calculations.

• Choosing a lens with an aperture of f/4 or larger is best, even if it’s a significant investment.
• The MM abbreviation works whether the entry is in dollars, some other currency or millions of items or customers.
• It’s helpful to know the exact lens version you’re using though because information about older versions quickly becomes hard to find.
• However, our abbreviations are a concoction of multiple cultural legacies ranging from Rome, Greece, India, China, and Arabia.
• For example, the Roman numeral MM is frequently used to designate that the units used in presenting information (financial and non-financial) in millions.
• Darrel has over 30 years of proven success and is skilled in developing relationships with internal and external stakeholders to drive superior business results.

Beginning photographers sometimes glance over the value of a standard lens, preferring to jump right to the effects of a wide-angle or telephoto lens. Yet the performance of standard lenses should not be overlooked. Photos taken with a standard lens are the most natural and can have higher image quality than those taken with a zoom lens. Prime lenses in standard lengths are small, lightweight, and offer a lot of speed over other lenses. The word “million” is not a commonly abbreviated word, but its abbreviations still have their place.

In this era, M already signified 1,000, while MM denoted 1 million. However, millions range from 1,000,000 to 999,999,999 so there can be a maximum of eight zeros if you are referencing a 100 million (100,000,000). what does mm mean in numbers Get instant access to lessons taught by experienced private equity pros and bulge bracket investment bankers including financial statement modeling, DCF, M&A, LBO, Comps and Excel Modeling.

It’s essentially the same as how software developers use the “v2.0” terminology. You may even find “III” lenses, however third iterations of the same lens are rare. Lens diameter is measured in millimeters just like focal length. Be sure to have this number handy when you purchase filters online. Many filters are advertised based on the camera body, when in fact you should ensure they fit the diameter of your camera lens. Along with focal length and maximum aperture, you may find other numbers printed on your lens.