| Moderated by: chrisbet, | Page:   1 2 3 |
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| 28-70mm f/3.5-4.5 D AF zoom - Page 3 | |
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| Posted: Fri Aug 2nd, 2019 03:07 |
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21st Post |
chrisbet
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Robert wrote:OK, the screensaver splash screen just popped up. As you can see this is a quote reply not a 'quick reply'. Also, I am editing my original reply, so it may be associated with editing a post, I have yet to understand why I don't see typo's in the text edit box but they scream at me once I hit the 'Post' button!!! Thanks for reporting it - I have changed the edit screen template to stop that happening in future. Sadly there is nothing I can do to stop the typos 
____________________ If it is broken it was probably me .... |
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| Posted: Fri Aug 2nd, 2019 03:34 |
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22nd Post |
chrisbet
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I lowered the ISO and stopped the lens down - different flower, the noise seems a lot less and the CA is gone. I am looking at D610s at the moment, good used examples with low shutter counts are going for about £420. 
____________________ If it is broken it was probably me .... |
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| Posted: Fri Aug 2nd, 2019 09:18 |
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23rd Post |
Eric
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chrisbet wrote:I lowered the ISO and stopped the lens down - different flower, the noise seems a lot less and the CA is gone. That's a lot better Chris. The early sensors were only really noise free below 400 iso. On a D610 you should be noise free upto 1000iso and even then the monochrome nature of the noise that starts to develop means you should be able to photograph at 2000iso without noise become invasive.
____________________ Eric |
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| Posted: Fri Aug 2nd, 2019 14:14 |
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24th Post |
Robert
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chrisbet wrote:I lowered the ISO and stopped the lens down - different flower, the noise seems a lot less and the CA is gone. Much better, I like the oblique lighting, light and shade, without the bright being too strong (retaining bright detail). Never looked at the D610, think it has a good sensor. FX is a much better format, I think you will find a big difference. I always found DX constraining for normal range photography DX may be a little more compact but the smaller FX bodies are not much bigger than the DX equivalents.
____________________ Robert. |
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| Posted: Sat Aug 3rd, 2019 09:45 |
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25th Post |
chrisbet
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I think I am getting the hang of this, thanks to your helpful comments  Today's experiment, upping the ISO to 200 and keeping the lens stopped down at f22 - the detail is quite good, I think.... 
____________________ If it is broken it was probably me .... |
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| Posted: Sat Aug 3rd, 2019 10:46 |
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26th Post |
jk
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At f22 you will be getting diffraction effects which limit you sharpness. It is difficult as peak sharpness will be around f8/11 and thereafter you start to get loss of sharpness due to diffraction but you get greater depth of focus. It is always a trade off. I tend to use f11 or f16 if I must as a compromise. https://www.cambridgeincolour.com/tutorials/diffraction-photography.htm
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Aug 3rd, 2019 14:49 |
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27th Post |
chrisbet
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Yet more great advice, thanks I should really have known this from my college days using diffraction gratings, but that was a looooooooong time ago!
____________________ If it is broken it was probably me .... |
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| Posted: Sat Aug 3rd, 2019 15:28 |
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28th Post |
jk
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So many things we learn and forget in a lifetime!
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Aug 3rd, 2019 16:43 |
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29th Post |
Robert
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I'm getting very good at forgetting, had lots of practice recently!
____________________ Robert. |
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| This is topic ID = 1719 Current time is 08:12 | Page: 1 2 3 | |
| Nikon DSLR Forums > Camera and Lens Forums > Lenses > 28-70mm f/3.5-4.5 D AF zoom | Top | |
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