Archived posting to the Leica Users Group, 2014/02/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]It would depend on what type of motors they use, ultrasonic or magneto type. Most use the ultrasonic motors these days, and are more efficient. I do not notice any difference in battery life between using my big 400/28 and my 24-70 Nikkor lenses, they still last a day or two of heavy use. Gene ----- Original Message ----- From: "Lew Schwartz" <lew1716 at gmail.com> To: "Leica Users Group" <lug at leica-users.org> Sent: Friday, February 14, 2014 12:55:53 PM GMT -06:00 US/Canada Central Subject: Re: [Leica] Autofocus & battery life question I have spares, too. My question is, since the 70-200 has 2 motors in the lens, wouldn't it also have twice the battery drain? -Lew Schwartz On Fri, Feb 14, 2014 at 1:07 PM, Sonny Carter <sonc.hegr at gmail.com> wrote: > I'm getting about the same or a little better battery life from the Sony > A7r as I get from my M9, when I use the Zeiss AF 35mm lens. I don't notice > a big difference from using it with Leica lenses with no AF. The small > batteries (not aftermarket) are $40 from Amazon, so there's no reason no to > have spares. > > > On Fri, Feb 14, 2014 at 10:59 AM, Jayanand Govindaraj <jayanand at > gmail.com>wrote: > >> I dont know about Sony, but Nikon cameras (D800E, D4) with the 70-200 >> and 200-400 which I have used tend to go on forever. On the D800, with >> normal usage (no live view) I get around 1000 shots, and if I turn off >> the LCD, I get over 1600 shots per charge. I have never managed to >> deplete the D4 battery yet, even after shooting over 2200 shots once. >> Cheers >> Jayanand >> >> On Fri, Feb 14, 2014 at 9:37 PM, Lew Schwartz <lew1716 at gmail.com> >> wrote: >> > I just noticed that SONY will be releasing a hefty tele-zoom for its >> > AR series. (70-200mm I think). It boasts 2 motors; I guess this is >> > necessary to speed up autofocus because of the increased mass of its >> > glass. Do other mfgrs do this? It seems to me that this would cut >> > battery life, no? >> > >> > Comments? >> > >> > -Lew Schwartz >> > >> > _______________________________________________ >> > Leica Users Group. >> > See http://leica-users.org/mailman/listinfo/lug for more information >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > > -- > Regards, > > Sonny > http://sonc.com/look/ > Natchitoches, Louisiana > 1714 > Oldest Permanent Settlement in the Louisiana Purchase > > USA > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information _______________________________________________ Leica Users Group. See http://leica-users.org/mailman/listinfo/lug for more information