11-19-2017 06:08 PM
Really considering buying a 5d Mark IV or a 6D Mark II. I recently purchased a T7i, with the EFS 18-135mm lens. It is a fantastic camera. I also purchased the 70-200 f/2.8 lense.....absolutley incredible photos. Please don't ask why I am considering this, the answer is very long winded...but to sum it up I am bi-polar and in "the mood to spend"....
Anyways, been spending some time looking at "shorter" EF mount lenses. Have been thinking about
The thing that bothers me is no IS. I have been using my EFS 17-55mm f/2.8 with the IS turned off. In looking at the RAW images in LIghtroom they look pretty sharp to me but......
So what say you fine folks? Would you purchase a lens without IS?
Those of you with Full Frame bodies...what lens is your "go to" as far as landscape, walk around general use? One of the things I will be doing is taking photos at the local dragstrip next season. One of the things I like to do is show up early and take shots of people unloading their cars, driving thru the pits to warm up them up etc. I am thinking that the 70-200 may be a bit "long" for this as I am often only a few feet from the cars/people.
Appreciate any and all input...
11-20-2017 04:50 PM
i would only buy if its a short focal length and fast like the 50 1.4 i have. Any Canon zoom in the L series all have IS i think. i have read numerous opinions as to whether IS helps in high speed situations, example basketball. In theory IS should help if infinitessamonesly (terrible spelling!) . finite focusing speed, etc. probably not enough to measure. Thta being said i never take my lenses off IS even when on a tripod. The battery life in the 6D and i imagine in all Canons latest cameras lasts a long time. I havent gotten a chance to use mode 2 for panning on my 70-200 f4 yet.
And there are some L mid focal length zooms that do not have IS but are excellent lenses. so yes i would unless an IS version is available, and i only buy L lenses (except 100mm macro)
11-20-2017 07:06 PM
@photopro wrote:i would only buy if its a short focal length and fast like the 50 1.4 i have. Any Canon zoom in the L series all have IS i think. i have read numerous opinions as to whether IS helps in high speed situations, example basketball. In theory IS should help if infinitessamonesly (terrible spelling!) . finite focusing speed, etc. probably not enough to measure. Thta being said i never take my lenses off IS even when on a tripod. The battery life in the 6D and i imagine in all Canons latest cameras lasts a long time. I havent gotten a chance to use mode 2 for panning on my 70-200 f4 yet.
And there are some L mid focal length zooms that do not have IS but are excellent lenses. so yes i would unless an IS version is available, and i only buy L lenses (except 100mm macro)
At very high shutter speeds, and AI Servo focus tracking, you just might be better off disabling IS. Ditto for a tripod. The Image Stabilization makes certain assumptions about the state of the camera's movement. It assumes that the camera is always wobbling, which is not the case on a tripod. I disable it for extended exposures at night.
As for batter life, I use a battery grip on a 6D, and I frequently disable IS. I also disable the preview after every shot. I can easily take over 2000 shots in a single day, and still have plenty of battery power for nearly a 1000 more the next day.
11-20-2017 10:18 PM
@Waddizzle wrote:
@photopro wrote:i would only buy if its a short focal length and fast like the 50 1.4 i have. Any Canon zoom in the L series all have IS i think. i have read numerous opinions as to whether IS helps in high speed situations, example basketball. In theory IS should help if infinitessamonesly (terrible spelling!) . finite focusing speed, etc. probably not enough to measure. Thta being said i never take my lenses off IS even when on a tripod. The battery life in the 6D and i imagine in all Canons latest cameras lasts a long time. I havent gotten a chance to use mode 2 for panning on my 70-200 f4 yet.
And there are some L mid focal length zooms that do not have IS but are excellent lenses. so yes i would unless an IS version is available, and i only buy L lenses (except 100mm macro)
At very high shutter speeds, and AI Servo focus tracking, you just might be better off disabling IS. Ditto for a tripod. The Image Stabilization makes certain assumptions about the state of the camera's movement. It assumes that the camera is always wobbling, which is not the case on a tripod. I disable it for extended exposures at night.
As for batter life, I use a battery grip on a 6D, and I frequently disable IS. I also disable the preview after every shot. I can easily take over 2000 shots in a single day, and still have plenty of battery power for nearly a 1000 more the next day.
The one thing that disappointed me when I first purchased the T7i was the battery life. Granted, I was shooting a mix of media, mostly photgraphs but I was shooting video as well. The thing just ate thru the batteries.
Since I started this thread I have been shooting with the IS turned off, just to see if my hands are steady enough. I understand that in high light situations with a the aperture set to f/2.8 that the shutter speed will probably be quick enough that camera shake may not be noticable. But we had a very over cast, rainy & foggy day today. I went to town to pick up several blocks of cheese for my OTHER hobby, smoking cheese. I took several shots of whatever was around..literally. The images were very sharp.
I appreicate all of your thoughts and input. I am on the fence on which lense to buy, the 24-70 Sigma f/2.8 or the Canon 24-70 f/2.8 L...
11-21-2017 08:41 AM
"... the 24-70 Sigma f/2.8 or the Canon 24-70 f/2.8 L..."
If you have the coins, there is no choice between these two. It is a decision between do you want the best or not.
11-21-2017 06:53 PM
“The images were very sharp.”
With a fast shutter speed, assuming you got proper focus, they should be. Unless you are looking for motion blur, then the faster the better.
As a general rule, you want a minimum shutter speed equal to 1/FL, where FL is equal to your focal length. With an APS-C image sensor, you need to multiply FL times 1.6. I just go with doubling the FL, to keep it simple.
Furthermore, that is a minimum shutter speed. I typically try to use at least twice that with a long lens. So, do not be afraid to push your ISO to the limit that you judge as unacceptable. As long as I am not doing a closeup, high ISO noise is far less noticeable.
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