P is the factory where the product was manufactured: "F" (Fukushima), "U" (Utsonomiya), or "O" (Oita). Apparently, most (if not all) of the lenses have been made at Utsonomiya, and SLR bodies are made at Oita (and formerly Fukushima). Thus, date codes for lenses usually start with "U", and SLR bodies' date codes start with "O" (or "F" until about 1991).
Canon 5d Serial Number Manufacture Date
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Y is a letter code for year of manufacture, starting with A = 1986, through Z = 2011 (they used the same A-Z letter code for year of manufacture starting with 1960, but used a slightly different format for the rest of the date code then). So if your 7D has a date code, it could only start with X, Y, Z (X being unlikely).
The code looks like UG0205, for example. The first letter represents the name of the factory at which the product was made - often O for Oita (cameras) or U for Utsonomiya (lenses). The second letter is the date code, in which A is the year 1986. The next two digits are the month of manufacture, and the last two digits are apparently internal codes meaningful only to Canon. In the UG0205 example, therefore, my lens was built in Utsonomiya in February 1992.
At Bryan Carnathan's site, The Digital Picture, the article Determining the Age of a Canon Lens Using Serial Numbers and Date Codes shows a table for converting the first two digits of the serial number of a Canon lens. However, regarding the applicability of this decoding to DSLRs, the article notes that
Traditionally, we used the date code to determine the age of a Canon lens.However, starting in 2008 with the Canon EF-S 18-200mm f/3.5-5.6 IS Lens, Canon has transitioned away from date code inclusion and to a longer 10-digit lens serial number.While date codes and shorter serial numbers are still found on some lenses manufactured in or after 2008, that practice appears to have been completely phased out.
These dates should be viewed as approximations and should be used for your amusement as the estimates are not guaranteed correct.Please send any discrepancies you find.Note that Canon EOS DSLR camera body serial numbers, at least for 2013, do not follow this chart.Also please note that future dates shown in the table are predictions/expectations.
Until phasing out the practice starting in 2008, Canon included a date code beside the rear lens element of many (but not all) lenses (note that some 2012-manufactured lenses still received this date code).The date code (as seen below) is in the form of "UR0902".This code is also present on some other Canon products including camera bodies.
While you now know the manufacture date for your lens, you do not know how long the lens was in inventory, in shipping transit, and on a shelf until it was originally purchased (without having the original receipt or a reputable person accurately informing you).
The Canon lens date code in the sample picture indicates that this Canon EF 24-70mm f/2.8L Lens (I know the lens model because I took the picture, not from the date code)was manufactured in Utsunomiya, Japan in September 2003.
Information about an SD card is encoded in its internal card registries. One of these is the Card Identification (CID) Register, a 16 byte code that contains information that uniquely identifies the SD card, including the card serial number (PSN), manufacturer ID number (MID) and manufacture date (MDT). The CID register is set when the card is manufactured and cannot be changed after it is set. (According to SD card specification the information is only to be written once, however if a card does not conform to the specification this information could be changed!)
Canon Date CodesBecause they are chronological, serial numbers usually do tell the approximateage of a Canon SLR or SLR lens, but Canon Inc. has never put out any sort ofpublic information about serial numbers. However, the is another way to get the informationabout a camera body or lens. For cameras, lookinside the body's film chamber for an alphanumeric code printed in black ink onthe black surface of the film chamber. You may have to hold the camera under astrong light to see it. What you'll see is a date code, possibly something like"U1140F."The first letter tells the year the camera was manufactured: in this case,1980. It's an alphabetic code; A = 1960, B = 1961,....T = 1979, U = 1980, andso on up to Z = 1985. The next 2 numbers tell you what month the camera wasmade, in this example, November. (the leading zero for the month code issometimes omitted, so an A-1 with a code of "Y362" would have been manufacturedin March, 1984, for instance.) The following 2 numbers are an internal codethat is irrelevant for determining age, but year and month is close enoughanyway, IMO. (This internal code is also occasionally omitted based on reportsfrom Canon owners.) The last letter stands for the name of the factory. In thiscase, "F" stands for Fukushima which was the main Canon SLR factory for about20 years from the early 70s until 1991. (The factory code is rarely omitted, ifever.) So a body with the Code "U1140F" was made in November of 1980 at the Fukushima factory.Starting in 1986, the year code was restarted with "A" again, but the factorycode was placed before it. Now that Canon SLRs are no longer manufactured atFukushima, you're more likely to see a code starting with "O" for Oita. So, forSLRs manufactured in 1994, you might see a code starting with "OI" followed bythe month code. Letter Year A 1986, 1960 B 1987, 1961 C 1988, 1962 D 1989, 1963 E 1990, 1964 F 1991, 1965 G 1992, 1966 H 1993, 1967 I 1994, 1968 J 1995, 1969 K 1996, 1970 L 1997, 1971 M 1998, 1972 N 1999, 1973 O 2000, 1974 P 2001, 1975 Q 2002, 1976 R 2003, 1977 S 2004, 1978 T 2005, 1979 U 2006, 1980 V 2007, 1981 W 2008, 1982 X 2009, 1983 Y 2010, 1984 Z 2011, 1985 The same type of code is printed on the back of many (but not all) EF lenses aswell, typically in small white characters on a black baffle in the rear lensmount. Normally it will read somethings like "UT0308". The "U" is the factory, the "T" is theyear of manufacture (2005), the "03" is the month (March) and the final two numbers seem to besome sort of internal Canon code. Priorto 1986 the lens date codes did not include the factory letter. Copyright Bob Atkins All Rights Reservedwww.bobatkins.com
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The preflash technology in the D7200 is also different from the D7100 camera, which may affect older strobes' ability to provide TTL operation. The following strobes by serial number are fully compatible with the Nikon D7200 TTL systems:
Can a Canon 7D's serial number tell us the manufacturing date? Ask Question 4. I have a Canon 7D and have located the serial number, how can I checked the manufacture date? Canon EOS DSLR camera body serial numbers, at least for 2013, do not follow this chart. Also please note that future dates shown in the table are predictions. LensProToGo Stolen Gear Serial Numbers. Please take a look at this list and be wary of any used camera items for sale in. Canon 100mm f/2.8L IS Macro. Aug 16, 2012 - Not Mac related. Need to download Canon camera software but can't read your serial number? Here's a few to help. Peter Decheert, in his book 'Canon Rangefinder Cameras1933-68' estimates production at 525, although he states some records show a production of 506 cameras, while others show only 164. Serial number apparently started at 8001, and may run as high as 8700. I have seen photos of 8556, so no all numbers were used.
Every photo you take with your digital camera contains hiddeninformation about both the image and the camera such as the make,model and date. This information, called exif data, can also include a unique serial number which identifies your camera.
Second, because ghost guns are not required to have a serial number or other unique identifying information, they are completely untraceable if they are recovered by law enforcement in connection with a violent crime. This problematic aspect of these firearms gave rise to their nickname. Ghost guns offer very little evidentiary value to investigators working to solve crimes involving their use, making it much more difficult to develop leads and identify potential perpetrators.
There are two potential approaches for banning ghost guns. First, Congress could pass legislation clarifying that unfinished receivers must be regulated in the same manner as fully finished firearms, which would require that these components be marked with serial numbers and only sold after a background check. Legislation has been introduced in Congress21 that would enact this change at the federal level, and eight states have enacted state laws to address the problem of ghost guns.22 2ff7e9595c
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