Prime lens questions? I have the Nikon 50mm f/1.8 and just got the Nikon 35mm f/1.8. I took some play/practice shots with both lenses last night and don't see any difference really other than the 50mm seems to be clearer and more in focus. Should there be much of a difference in these lenses? I took shots in both Aperature mode and Portrait mode. With both, the pictures were blurred if the subject (one of my pups) moved even the slightest bit, such as turned their head. Are these lenses not suitable for taking shots of a slowly moving subject or do I need to adjust the settings? With both lenses, there were several times when I had the subject in focus but the camera would not take a picture no matter how I tried pressing the shutter release. I tried backing up, getting closer, etc. but nothing worked to make the camera snap the picture. What am I doing wrong? Sorry to sound so clueless....but, I am. :p |
The only difference in these 2 are the length. I use Manual Mode & do my own setting's I have the 35mm & love it I haven't taken it off the camera since i've gotten it. You need to just play aroung with the camera til you get it. I have Taken Crisp Moving Images With no problem. |
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The really frustrating part is my last question, where the shutter release won't engage and snap the picture. I've lost so many cute shots because it just won't take the picture. :confused: |
It Most likely Isn't focused on anything That's the only time usually it does that You need to make sure you have One of the focus points on the subject you want to take a picture of. |
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1 Attachment(s) Here's one good shot I took last night. I LOOOOOVVVVE how these prime lenses blur all that mess on the counter top behind Murphy. :p |
I wish i could lol When you look at the focus points are you making sure the one you want Lights up red? |
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I'm going to put the kit lens on when I get home and see if it does the same thing. I haven't used the camera in a while and I feel like I've forgotten everything I learned in class and them some. :rolleyes: |
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The 35mm is a higher quality lens, in general, but differences caused by quality alone sometimes take more time to see, especially as you're getting used to the lens. Another difference might be closest focus distance - what is the closest you can be w/ the 35mm where it still has the ability to focus? That's really helpful to know. For the blur question....when shooting at wide apertures, your depth of field is so tiny - so if the subject moves *out* of the field that is in focus, then they are in the blurry area (very easily, w/ slightest move). The other consideration/cause there is the light - if you are also shooting in tough light, your shutter may be too slow - so that could also be what's causing the blur (or, are you using your flash?)? Quote:
So, do you mean...does it give you the "I'm in focus" indication, but shutter never engages? Or, does it just never focus? I'm thinking if it locks a focus, but doesn't engage, then I wonder what your flash setting is...ie, is your camera set to flash, but the flash isn't ready...or...? |
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Yes, it appears to me that everything is in focus but the shutter never engages. I did have instances where it would not focus also but that was when I was seeing how close I could get, and once when I was focusing on a gray object. So I'm certain it is focusing on these other shots just not snapping the picture. |
Ann, I just saw you posted on Pippin's thread. Those are some of the shots I was having problems with. She was sitting in the same spot, I was standing in the same spot.....sometimes the shutter would release and sometimes it wouldn't. The flash never came up and the lighting was the same or close for all of them. And if she moved even the tiniest bit her whole body would be blurred in the picture. |
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The very first thing I'd do is: check to see if you have your "focus indicator" turned on...? This is a beep that tells you "yep, I'm focused and locked in" - so that you don't have to judge if you're focused in on something, the camera tells you when it's focused. NOW, as to whether the camera has focused on the POINT you wanted it to, is another subject (ie, did the lens focus on the eyes, or on the tail...and that's when the human factor has to be involved). 2nd thing: what is closest focus distance of that 35mm? (just so it's in the back of your head) Quote:
Maybe an analogy using space? (depth of field=DOF) Like, this is your DOF at 1.4 [ ] And, this is your DOF at 22 [_____________________________________] So, at f1.4, the subject has this much depth of space [ ] in focus during the shutter release. Very shallow depth of field....therefore, one major area of focus, rest of piccie blurred out (bokeh). But, at f22, the subject has this much depth of space [_____________________________________] in focus during shutter release. Very wide depth of field....therefore, almost everything in focus, very little blur (think: landscape pictures). Argh....don't know if that made sense....:p... |
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When I say it appears that everything's in focus, I mean that the lens moves until the area around my focal point (lit up in read) becomes clear and focused in the viewfinder. I've only been shooting in Aperature mode, with a couple of practice shots in the Portrait mode. My questions are mainly about what happens in the A mode, since that's what I have it set on most of the time. I'm going to practice with both lenses and take more notice of what's going on. Last night I was too focused on cute little faces and not on what the camera was doing. ;) Hopefully with more facts you all can help me figure out what I'm doing wrong. |
I've been playing with the prime lenses. The shutter release not engaging IS because I was too close. :rolleyes: If I hold the button down and slowly back away, it will engage and snap the picture as soon as I'm at a correct distance. I can also see the difference between the 35mm & the 50mm - it's so obvious to me now. :p I'm still having a problem with blurring, though. I put the camera in 'auto' mode and no blurring, but I don't like the f-stop it chooses in auto mode. Should I try a faster shutter speed in aperature mode? Or do you think it's something else I need to adjust to stop the blurring? I'm going to set it to manual mode and play around with it some more today. Thanks for all the advice! :) |
I have to read through everything written here slowly, and then I'll respond again. I just wanted to mention that sometimes a camera has difficulty focusing if there's not much color difference in the subject. Your pictures of your precious Pippin are pretty close, and the focus points are all her dark hair. I wonder if you tried to put a little topknot in her hair if you would be having the same problems. It would have something a different color to distinguish the focus points. Test it out and see if that makes a difference, and you will be able to see if that's the reason why it isn't focusing right. I love the angles that you are using and the pictures are great. The camera is hunting to find focus and can be set up to take the picture so that it won't take it if it is not in focus if you want. The lens also has a minimum distance that you can take a picture for it to be in focus. |
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