S sglion New Member Dec 11, 2009 47 0 0 Sep 23, 2010 #1 Hi, My lens says this: max. aperture: 3.5-6.3 min. aperture: 22 This is a 18-250 mm lens. So is the max aperture 3.5 or 6.3 Why 2 values in max aperture ? Thanks,
Hi, My lens says this: max. aperture: 3.5-6.3 min. aperture: 22 This is a 18-250 mm lens. So is the max aperture 3.5 or 6.3 Why 2 values in max aperture ? Thanks,
shadlightsg Member Oct 31, 2009 159 0 16 Sep 23, 2010 #2 Hi Bro from my understanding (i'm a newbie), 3.5 is the max aperture when u use the wide angle 6.3 is the max aperture when you zoomed in all the way
Hi Bro from my understanding (i'm a newbie), 3.5 is the max aperture when u use the wide angle 6.3 is the max aperture when you zoomed in all the way
mimik07 Senior Member Oct 13, 2009 1,331 0 36 East Sep 23, 2010 #4 In short, it means max aperture for 18mm is f/3.5 and that for 250mm is f/6.3 sglion said: Hi, My lens says this: max. aperture: 3.5-6.3 min. aperture: 22 This is a 18-250 mm lens. So is the max aperture 3.5 or 6.3 Why 2 values in max aperture ? Thanks, Click to expand...
In short, it means max aperture for 18mm is f/3.5 and that for 250mm is f/6.3 sglion said: Hi, My lens says this: max. aperture: 3.5-6.3 min. aperture: 22 This is a 18-250 mm lens. So is the max aperture 3.5 or 6.3 Why 2 values in max aperture ? Thanks, Click to expand...
AnsQ New Member Mar 21, 2006 1,010 2 0 Melbourne www.flickr.com Sep 23, 2010 #5 your lens is not a fixed aperture lens. at 18mm, its biggest aperture is f3.5. when you zoom to 250mm, the biggest aperture you can use is f6.3. that is the reason why there are 2 max aperture numbers.
your lens is not a fixed aperture lens. at 18mm, its biggest aperture is f3.5. when you zoom to 250mm, the biggest aperture you can use is f6.3. that is the reason why there are 2 max aperture numbers.
N night86mare Deregistered Aug 25, 2006 25,474 3 38 www.pbase.com Sep 23, 2010 #7 and in between it might be f/4.0, f/5.6, accordingly. this is because of the lens design.