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I've just been comparing the auto-exposure readings from my Canon 518 Auto Zoom to those taken with a Sekonic L-308B light meter set to 100 ASA and 18fps. Camera was loaded with Ektachrome 100D, so no filter engaged, and set to 18fps. In all the lighting conditions in which I tested and compared results, the camera's internal meter (set to auto) showed an aperture two full stops less than the external meter. So: if external meter read f/2, camera would say f/4. I understand that reversal stock has very little latitude for over/under exposure, so these results seem to suggest that using an external meter with this camera is not a good idea, as the film will be highly over-exposed. I wondered if anyone more technically savvy than me might be able to suggest a reason for this huge difference? I have to say that when I have exposed reversal stock in this camera on auto-exposure the results have been pretty spot on, but the difference between the two readings is very puzzling indeed! I wonder what Martin Baumgarten might have to say..? All replies welcome - thanks for reading.

Hello everyone, I've been involved in video production for a while now and am now keen to learn more in depth about lighting and getting more experience in the field. Reading about meters, I understand how helpful they are in determining contrast ratios and light levels on interiors and locations, and are especially beneficial when shooting film (I'm getting into shooting 35mm stills lately). My max budget is around £200-400. So far my eyes are on the Sekonic L308X for its footcandle/lux readings, easy-to-find battery and size. However, the things holding me back are: Lack of head rotation (not a good look on set?) Flat disc accessory might be easy to lose Lack of spot meter reading Ideally, I'd love to have a 758 Cine, but I find they're hard to come by on ebay (plus can get a bit pricey if in a bidding war). I could go for any of the high end photographic meters, but I'm unsure about the lack of footcandle/lux settings in a majority of them. Is this a problem if I need to perform/communicate something quickly? Would I be better off getting a cheaper lux meter separately? Ultimately I hope to buy something that's reliable for starters, but will come in handy years down the line. Thanks. ?

Hello, I plan on purchasing a light meter soon, just wanted to hear based on experience would be the better model to buy for reliability, efficiency and over all control on set. Thanks