What you need to know about the metric system isn't all that hard to learn.
Five miles = eight kilometers, so 25mph is 40kmph. A quart of milk is .946 liters (or so it says on the label). All the other nutrition information on the label has been listed in grams since some time back in the 70s (or surely at least since the 80s). Everything metric is either divisible by 10 or it can be multiplied by 10. Usually both, so that quart of milk is really 946 mL (milliliters). There are no fat grams in a bottle of vodka whether it's a "fifth" or 750 mL. Photographers, of course, have been dealing with lenses in millimeters for years & years now; 35mm film was already 35mm film before I was born. It costs more to buy petrol by the liter in Canada, England or Europe than it does to buy gasoline by the gallon here in the U.S. You have to ask for paraffin if you want kerosene, but diesel is still diesel. And that pretty much sums up everything you really need to know to get along in the metric system. On 9/18/2013 5:32 PM, [email protected] wrote:
Yup. I mean, I haven't learned metric at all (as an example). So this old dog (female variety) has a hard time learning new tricks. Heh. I understand, to some degree, Godfrey's point too. But until someone said crop factor of 2x vs 1.5x I thought all the m4/3 lenses I saw were wide angle (and not that useful to me). M aka D In a message dated 9/8/2013 11:05:02 A.M. Pacific Daylight Time, [email protected] writes: So for me, maybe for Marnie as well, I find it quite useful when talking about the m4/3 lenses to add a parenthetical comment about the relation of m4/3 focal length X to 35mm focal length Y. stan
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