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Photography Forum | canon 70-200 f4.0 L USM (NO IS)
Does anyone have any experience with this lens - without IS? It seems to get good reviews for the cost but I wonder about IS. That version seems to be twice the price - is it worth it? I am not considering other brands by comparison. Thanks
sites i visit( leeds and manchester)i find the colour and sharpness to be of a very high quality and the build is first class
i dont miss the is feature at all .on the 450d the 200mm end becomes a 320 mm and on bright days have no problems maintaining shutterspeeds of around 1/640 @ f8 (easily hand holdable). if the weather
becomes dull i find both my cameras still produce files of very good quality up to 400 asa. i do have the canon 70-300 is lens that rareley finds its way into my bag just my two pennerth but my experience with is lenses as not been good
Sorry if I'm teaching you what you already know but IS/VR etc is there only to help with camera shake and not freeze motion, in other words the system helps you to hold the camera steady at low speeds or speeds too low generally accepted for a particular lens.
As a rule of thumb, the minimum speed you should use is the focal length of the lens, so when shooting at 200mm for example you should be using 1/250 - but you also need to factor in the sensor multiplier (if applicable), which with Canon is 1.6x. As bluechalk mentions above your 200mm then becomes 320mm so for stationary subjects you need 1/350 as a minimum but when taking shots of planes on the move you need to consider that as well so your speed will need to go up.
Below is something regarding the Nikon system, it's not acknowledged by Nikon so can't be confirmed but I think it makes sense and the reason why I personally believe you don't need these systems to shoot moving vehicles like planes etc.
Again I agree with bluechalk when he mentions a 1/640 speed, I always aim for speeds in this area and I don't have any major problems with the stabilisation system off.
Whichever lens you choose Brian, good luck with it.
f4 is one stop up from f2.8 so if it can hold f4 throughout the range that's not a bad bit of glass. L to Canon is what ED is to Nikon, and Nikon's 70-200 f2.8 was a legendary lens for spotters.
Image stabilisation is great to have but isn't vital. Plenty of people took great pictures before it was even thought of so don't get hung up on that.
Remember you can always provide a cheaper solution for IS by getting a tripod or monopod. I use a support with mine and it's been well worth it.
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