Search results for 'back focus' - page 1850
Full frame or not ???
A very interesting observation Philip, and I'm sure that's right. It's focal length and distance that combine to produce the required magnification. The required magnification only has to be 'enough' .... Enough depends on the resolution and intended output size (print or screen). For most purpose...
Posted by McGregNi on 07/08/2015 - 14:29
Full frame or not ???
I liked Peter's use of perspective because it would help explain in to a non photography geek. I think talking to non photographers in terms of magnification might actually confuse, because looking on the back LCD and image produced by APS-C you could easily conclude that APS-C has more magnificatio...
Posted by nass on 07/08/2015 - 16:41
Full frame or not ???
It would be very interesting to test it for sure ... I'll try, but may not be able to post the results until back from holiday .... Nothing is simple it seems ... Well, at least for photography geeks :o
Posted by McGregNi on 07/08/2015 - 16:57
Full frame or not ???
All I can say is that when I compare the pictures from the Sony A77M2 / Sigma 120-400 and the K-3 / Pentax 55-300 the first thought that crosses my mind is how much could I sell the Sigma for. The output from the K-3 / 55-300 is VERY obviously sharper. The A77M2 also produces much better quality wit...
Posted by StrongGravity on 16/08/2015 - 22:54
K3 mirror issues
If it is a new Pentax K3, then one will have no issues. Only the first generation of Pentax K3 were effected, basically the ones which sold in the first six months of release. Unless one would be purchasing from an unreputable source, all of the new ones with mirror issues were sold long ago -or pul...
Posted by 50mpCMOS on 18/08/2015 - 22:13
k-50 or k-s1
I handled and used a K-S1 in a John Lewis shop a while back ... Out of curiosity, it's not really the model type I would consider .... But I found it rather impressive, in build and it's interface and feel in use. More ideal for smaller hands of course, but real quality. The menu system and interfac...
Posted by McGregNi on 21/08/2015 - 15:51
k-50 or k-s1
It's a cheap camera! And an extraordinary quality sensor, AA filter-less, for the money. At the latest price points all else can be forgiven :wink: Negatives: No WR weather sealing Unconventional interface, - mode dial on the rear, only one rotating selection dial. No grip. LED's all over the p...
Posted by richandfleur on 06/09/2015 - 05:45
k-50 or k-s1
it's getting close to the point at which I got my K200. You could make an arguement it's worth it just for the sensor? Would be a compelling city camera paired with the DA 40mm or another of the smaller primes. I must not get myself tempted!!! I have some stuff to part exchange if I can get the time...
Posted by Jetsam1 on 06/09/2015 - 07:24
Automatic macro extension tubes
If you want a good set of "tubes" that transmit data and action to an 'A' lens, get a Pentax 'A', f 1.7 50mm from that highly disparaged EBay place (dunno why people curse it so). Take all the glass out of it by carefully unscrewing each element. Get a reverse 49mm adapter (also from the never to be...
Posted by davidwozhere on 25/08/2015 - 00:44
Digiscoping
Here's my first attempt at digiscoping with the aforementioned kit. I haven't done any sharpening, this was shot in live view at about 30x magnification, in aperture priority and manual focus. Even mounted on a tripod it was tricky to keep the image steady so don't know whether the lack of sharpness...
Posted by RobL on 04/10/2015 - 13:19
Horizon correction - what are the downsides?
Thanks. 0.2 degree is actually quite a lot for a sea horizon - you can bet some picky competition judge would knock off a point for it! I can manage that by eye (and with the aid of the camera's level info display page). I'm hoping the camera's sensor adjustment is better than that. Just wonde...
Posted by WaypointCharlie on 26/08/2015 - 21:20
Horizon correction - what are the downsides?
Personally I would leave it off. Use a tripod, level the shot first and then any fine adjustments in post processing. I found no useful reasons for having it switched on with my K-5 or any cameras since I sold it. It made my shots wonky rather than making them straighter and I spent weeks trying t...
Posted by davidstorm on 26/08/2015 - 22:46
Horizon correction - what are the downsides?
Personally I don't place great value on this 'get it right in camera' thing .... OK for a competitive challenge and fun, but not very productive for serious photography. The fact is that time spent in the field on such fineries is time wasted ... It's inefficient at the point that you just need ...
Posted by RobL on 28/08/2015 - 10:15
Horizon correction - what are the downsides?
There will always be the purists (or are they Luddites?) Leave them alone I say - because that's where they'll end up - alone. I prefer to focus on what's important in [my] photography, the 'result' because in the end it's all that really matters to me. In this context I don't really care what ...
Posted by SteveLedger on 28/08/2015 - 10:43
Horizon correction - what are the downsides?
I agree again (this is madness!) with you Steve. .... Really, how can there be any such thing as a pure 'out of camera' image from a digital camera? Going back to film and all using the same film stock would be the only way to level the playing field for any sort of competition. Your OOC jpeg h...
Posted by McGregNi on 28/08/2015 - 10:57
Horizon correction - what are the downsides?
Hi Waypoint Charlie, sorry if we drifted off your thread. I found the horizon tool poor on the K5 so never tried it yet on the K3. I do check horizons afterwards with my Photoplus horizon tool before ever daring posting seascapes on the gallery on here so I get your point for out of camera compet...
Posted by wvbarnes on 28/08/2015 - 12:21
Horizon correction - what are the downsides?
Okay, I'm reporting back my experience from last night attempting some straight-out-of-the-camera shots. Horizon Correction - forget it. On my K5-IIs it usually seems pretty accurate for single shots but varies a bit between shots and is all over the place when it comes to bracketed (e.g. HDR) a...
Posted by WaypointCharlie on 06/09/2015 - 10:36
K7 - K5 - worthwhile upgrade???
Hi there, As the proud owner of a fantastic ME Super back in 1985 (which I still have), I subsequently upgraded to a K7 just a couple of years ago after some time away from the cameras and then been photographing anything I can... I've been toying with the idea of another upgrade - primarily for ...
Posted by Hoyerman on 29/08/2015 - 16:48
K7 - K5 - worthwhile upgrade???
I had a K5 for three years before upgrading to the K3 this year. It was a brilliant camera AND the AF was fine for me on most lenses so I can not agree. They upgraded it with a bigger, lens array for AF for the MkII and put the same in the K3 whcih gave it better (very) low light capability where it...
Posted by wvbarnes on 29/08/2015 - 21:36
K7 - K5 - worthwhile upgrade???
another who agrees with Lennybloke, K5 11s is a big improvement over K7 and K5 in terms of image clarity and detail straight from camera with the bulk of shots not requiring sharpening at all plus the thing will focus in almost total darkness , which with some of the Churches i have done it has ha...
Posted by redbusa99 on 30/08/2015 - 10:04
