Search results for 'back focus' - page 2806
Rolls Royce Special Edition
back on topic please folks.
Posted by johnriley on 18/07/2012 - 22:23
Rolls Royce Special Edition
The camera doesn't have to be back focusing by 10 feet to give the effect observed. E.g. On the second photo the lens was set at f=24mm and aperture f/4. If it was focused accurately on a point 12 feet away, the depth of field would be from 8 feet to 24 feet. But if it was actually focusing just 2 f...
Posted by MrB on 18/07/2012 - 22:28
Rolls Royce Special Edition
It depends on where the point of focus was chosen. We don't know if it was centre point, somewhere else, or whatever. It's entirely possible the camera selected an inappropriate point.
Posted by johnriley on 18/07/2012 - 22:31
Rolls Royce Special Edition
Your suggestion that the OP's lens could be back focussing by some 10ft or so is nonsense. You've gone to great lengths elsewhere to tell us just how much you eschew rules and so on but fondly imagine there is some 'rule' that I cant have an opinion of my own. It's a shame,Gartmore, this was not...
Posted by coker on 18/07/2012 - 23:04
Rolls Royce Special Edition
It depends on where the point of focus was chosen. We don't know if it was centre point, somewhere else, or whatever. It's entirely possible the camera selected an inappropriate point. I would say the photographer was entirely at fault by not knowing what the camera was set at, can't even remember i...
Posted by tyronet2000 on 18/07/2012 - 23:06
Rolls Royce Special Edition
It depends on where the point of focus was chosen. We don't know if it was centre point, somewhere else, or whatever. It's entirely possible the camera selected an inappropriate point. I would say the photographer was entirely at fault by not knowing what the camera was set at, can't even remember i...
Posted by Charlotte on 18/07/2012 - 23:13
Rolls Royce Special Edition
As much as I hate to be on-topic, I think there is a focussing issue caused by the reflective surface. What I mean is that if you point your camera in a mirror it will focus on you, not the mirror. I think therefore that the focus system became confused a it could not work out whether to focus...
Posted by greynolds999 on 20/07/2012 - 10:09
Rolls Royce Special Edition
Thanks for the comments Gareth. I think you are saying I would have been better changing to manual focus in the circumstances. I will try that next time there are "mirror" surfaces fairly close up. Do you think using a polarising filter would have helped? Thanks for the comments David. I had don...
Posted by tyronet2000 on 20/07/2012 - 12:16
Rolls Royce Special Edition
Both shots look out of focus here. It looks like there's some back focussing going on #1 the spare tyres are more in focus than the first and on #2 the car behind looks more in focus. have you calibrated the AF fine tune for your lenses? More twaddle :roll: You should both be ashamed of yourselve...
Posted by Mannesty on 20/07/2012 - 15:04
Rolls Royce Special Edition
I hope Stan isn't put off either. he has asked me to close this thread and I share his disappointment that it has descended into chaos. I am also disappointed that some posters, despite being fully aware that discussing moderation in public is off topic, have deliberately continued to do so, in e...
Posted by johnriley on 20/07/2012 - 16:55
Barn Owl
Ha Ha Bill, thanks for the compliment - much appreciated. The young uns will be long gone by then I reckon, so an adult bird will be able to have a night off. I went to Trotters in the lakes last August. They had a bird of prey display, including a Barn Owl. There were two shows a day. The Barn O...
Posted by Blythman on 16/07/2012 - 15:40
Backstage portraits comedians at Latitude Festival
He's popular with the MILFs :) I don't know what a MILF is! however, Professor Cox has a comedy program on R4, The Infinite Monkey Cage, you can travel back in time and listen to the podcasts.
Posted by dougf8 on 17/07/2012 - 08:22
First photos with Sigma 10-20mm
I bought this lens from a fellow forum member and it arrived about an hour before I left for the airport so I had no chance to play with it before using it for real. It certainly presents you with new challenges and I ended up with some strange distortions and persepctives from time to time, but it'...
Posted by milamber on 17/07/2012 - 09:43
First photos with Sigma 10-20mm
I have this lens and i like it a lot i hardly took it off the camera for about 2months when i first got it. According to the crack it is at its best around f8. I sent some images to a friend who has a Nikon and he has gone out and bought one as well.I must try to unweld the 100mm macro from my K-r s...
Posted by geordie01 on 17/07/2012 - 17:38
First photos with Sigma 10-20mm
Some of the Pentax tweaks for distortion and chromatic aberration are turned off when you pop a Sigma lens on. They do help Pentax lenses but do slow down the processing. That makes sense. I couldn't work out why it would be. Considering some of the distortion correction might be turned off it's a...
Posted by milamber on 17/07/2012 - 18:22
Colour Blind
As per the title I'm red/green colour blind (which means I sometimes have difficulty differentiating between different shades of those colours, I can tell the difference between the two. I'm telling you all this because I have just come back from a weekend in the Lakes and have just started to pr...
Posted by Steady99 on 17/07/2012 - 18:00
Colour Blind
Thanks for the comments, it does help, it looks like I may need to pull back on my processing. Yes the street art is all in Sheffield, I keep meaning to go out and find some more.
Posted by Steady99 on 17/07/2012 - 21:45
Football photos - K5 and Sigma 70-200mm
Good shots ! Shooting in high-speed continuous bursts will help with that timing you said you want to work on ! Thanks Frogfish. I did have continuous shooting on (didn't realise how much faster the K5 was compared to my K20D) but there are some that I took that are late with the first frame s...
Posted by rscoote on 19/07/2012 - 08:23
Sunday Farnborough airshow
A very nice set, takes me back to my days in the RAF, lots of those Vulcans making a hell of a din, may be why I suffer with tinnitus now! And I did work on 558 when it was active. Regards
Posted by loskeran on 19/07/2012 - 20:01
More Barn Owl pictures
Well it rained most of last night, so thought the Barn Owls would still be hunting this morning as they are feeding young. So I was up at 4:15 in the hope of getting some pics before going to work. Here are a selection. The first one was taken at approx 5:30 with an ISO of 2,500. The last one bei...
Posted by Blythman on 19/07/2012 - 21:55
