I can't change the focal length on my Sigma 70-300mm F4-5.6 DG OS mounted on my Nikon D3200- it is stuck at about 140mm?
83928
There is a lock somewhere outside the lens near the body. This might prevent you from changing the focal length.
1937694
I'm having the same problem using this lens on my D80 camera. What you are saying is that there is no way for me to use the ring to adjust the aperture? It only works when locked on 22?? This doesn't seem right.
2183932
Im sorry I can't help you. I returned the converter because it would not fit my lenses> It was compatible with my DX 3200. It was the lenses that was the problem.
2060950
Hello... To be honest, I returned the lens because I could not figure it out and I realized I bought the wrong lens... Good luck...
628475
No, there is no means to fix the lens to a specific focal length. The total length of zoom ring travel is just shy of 90 degrees, end to end. The demarcation on the zoom ring, L to R as seen looking down at it as if it were attached to the body, is 24 - 20 - 18 - 16 - 15 - 14. The only hard control is the Manual/Auto autofocus switch.
1086459
Hi, thanks question.This lens can not work autofocus for D3200. Thanks in advance.
1296018
No, unfortunately there is not. The ring on the lens adjusts the focal length only.
1201682
The best thing I have found, is to find out the mm of the base you want to mount it to, and get the same size. Are you mounting it to the camera, or another lens? I believe you are trying to go too the camera it's self for close ups. Or are you trying to use it with another lens also? With just what you have given me, I am not sure. With just this lens you do not have A/F or stabilizer.
45803
Hi David,Not that I'm aware of. My lense, lent to a mate with a 7100, worked no problem to produce some comparative test images for him against a Nikon 70-200 and he has subsequently gone and bought a 50-150 on the basis of that test! The dealers here in Rome (I've spoken to two) have been perfectly happy to use their USB mounts to update lenses for customers for free. I don't know if that is the case in the UK but I would imagine so, so if you were to find you had an issue (which I believe to be an unlikely scenario) I'd suggest taking it to a Sigma dealer and ask him to update it for you but I really don't think you will find it necessary.Happy New Year.Will Hi David,Not that I'm aware of. My lense, lent to a mate with a 7100, worked no problem to produce some comparative test images for him against a Nikon 70-200 and he has subsequently gone and bought a 50-150 on the basis of that test! The dealers here in Rome (I've spoken to two) have been perfectly happy to use their USB mounts to update lenses for customers for free. I don't know if that is the case in the UK but I would imagine so, so if you were to find you had an issue (which I believe to be an unlikely scenario) I'd suggest taking it to a Sigma dealer and ask him to update it... » Read More Hi David,Not that I'm aware of. My lense, lent to a mate with a 7100, worked no problem to produce some comparative test images for him against a Nikon 70-200 and he has subsequently gone and bought a 50-150 on the basis of that test! The dealers here in Rome (I've spoken to two) have been perfectly happy to use their USB mounts to update lenses for customers for free. I don't know if that is the case in the UK but I would imagine so, so if you were to find you had an issue (which I believe to be an unlikely scenario) I'd suggest taking it to a Sigma dealer and ask him to update it for you but I really don't think you will find it necessary.Happy New Year.Will « Show Less
437337
Hi, not sure where the problem would be - I have it on the D90 and it's one of the best lenses I have in my bag (actually, it's not much in the bag ;-) ) ... what is your concern?
1032155
you ordered the canon one, you need the nikon mount model. Sigma makes lenses for just about all mounts. you ordered the wrong one.
2217647
The focal length is only 35 max, you don't need IS at this point. The further the focal length goes, the more you need IS. Don't worry.
160523
I wasn't aware Sigma made this same lens in a "macro" version? Becarefull believing the discriptions as some "used" products are misrepresented. Any how, macro will allow for a shorter minimum focus distance. Good luck
205781
The problem is the ring interferes with the lens barrel when it's fully retracted. Zoom it out, attach the ring, then when it retracts it will not quite go in as far but will still work. I hope this helps you out altho I dont know if there is much of a loss in focal length, decide for yourself.
1412430
there is no way that I am aware of to change the lens system. it is all self contained.I have had very good luck with mine as is. I hope this helps answer your question
826199
The camera will default to DX (assuming it recognizes that it is a DX format lens given that it is third-party). You can always over-ride the setting though. I shoot a 11-16 all the time and when I put it on my film camera (N80), I was able to shoot at around the 15mm focal length. My friend mentioned that he had the same experience with a D700. I think it is still a better deal than the effective focal length of 16.5 with a DX format camera. It is better than the 16-28 FX lens (because you cannot put a Circular polarizer on) and the 17-35 f4 tokina. Hope that helps.
211947
I have a Nikon D700, had the same problem. The focus plane is too close. The only way I got mine to work is in combination with an Orion Shorty 2x Barlow. This forces a 2x multiplier when you may not want it, but it does focus with it attached along with the Universal camera mount. I am currently investigating just how much extension is added by using the Barlow and will be looking for an extension tube without magnification.