Search results for 'sensor cleaning' - page 281
A new K7 with the KX sensor? Please?
I can't be the only one thinking this. The new Kx is about 1.5 stops cleaner than the K7 in all noise tests that I've seen. (Even after adjusting for the megapixel difference) 1. Only the RAW tests should be taken notice of because NR is applied to JPEGs. 2. Do these tests take into account the m...
Posted by iceblinker on 24/11/2009 - 12:22
A new K7 with the KX sensor? Please?
2. Do these tests take into account the metering differences between the two cameras? The K-7 exposes more highly ("to the right") than the K-x. but that should benefit the K-7, not the K-x. Anyway, to be comparable any noise images surely must be taken at the same shutter speed and aperture unde...
Posted by Mongoose on 24/11/2009 - 18:09
A new K7 with the KX sensor? Please?
2. Do these tests take into account the metering differences between the two cameras? The K-7 exposes more highly ("to the right") than the K-x. but that should benefit the K-7, not the K-x. Only if the K-x results are pushed in post processing to match the K-7's exposure. And also not if a higher I...
Posted by iceblinker on 24/11/2009 - 18:45
Now a Pentax owner
My uncle has just ordered his K-X with twin kit lenses (DA50-200) for €619,- They didn't had it in the shop so they have ordered it and he can aspect it to have it next week. Will put it under some test if I've the change, the DFA100mm should be able to pull out all of the quality of the s...
Posted by Anvh on 25/11/2009 - 16:59
Now a Pentax owner
K - as my very limited knowledge takes me - the 28 - 200 is focal length my lens [ the only one at present is] 18-55 - so that take me a bit further away if I've understood correctly - the 28-200 is between the 18-55 and the 55-200. I'm finding this hard to explain but I think I've got it - ...
Posted by Mongoose on 26/11/2009 - 10:32
Pentax k-m and entering focal lengths manually
If I attach an old A or M series prime lens to my k-m, it pops up a menu asking me to choose the lens's focal length. Does anyone know whether one enters the lens's actual focal length or its focal length plus the sensor crop factor, e.g. for an A series 28mm lens, does one enter 28mm or 45mm? TI...
Posted by mecrox on 28/11/2009 - 16:19
Shake reduction off for tripod use - why?
You may have steady hands, but a tripod generally is steadier :) The shake reduction (SR) is designed to compensate for your hands movement (I think muscles have a natural tremor around 10 Hz). At high shutter speed SR does not help (I have the feeling that it may be even affecting the image nega...
Posted by Prieni on 30/11/2009 - 08:20
Shake reduction off for tripod use - why?
In addition, with the K20D and later models the sensor is clamped into position when SR is off. For the ultimate sharpness that has to be better than it being held in position by magnetic fields.
Posted by johnriley on 30/11/2009 - 09:06
Shake reduction off for tripod use - why?
In addition, with the K20D and later models the sensor is clamped into position when SR is off. It is? I wonder how. Dan
Posted by Daniel Bridge on 30/11/2009 - 11:11
Shake reduction off for tripod use - why?
I'm am always forgetting to turn off SR and then turn it back on again...:oops: Well you'd be a lot better off leaving it on then. Lots of people have speculated along Prieni's lines... My guess (and I would need to read up on this) is, that when the camera is on the tripod the SR's acceleration...
Posted by ChrisA on 30/11/2009 - 14:22
Shake reduction off for tripod use - why?
In addition, with the K20D and later models the sensor is clamped into position when SR is off. It is? I wonder how. Dan Can't comment on whether or not is it, but if it is, it is probably done with a small solenoid. Some of the CCTV cameras we use have a green filter over the sensor in daylig...
Posted by Father Ted on 30/11/2009 - 16:26
Shake reduction off for tripod use - why?
I can only tell you what I've read. How the sensor is clamped I have no idea, but it seems a better idea thatn having it magnetically floating at all times.
Posted by johnriley on 30/11/2009 - 16:37
Shake reduction off for tripod use - why?
I can only tell you what I've read. How the sensor is clamped I have no idea, but it seems a better idea thatn having it magnetically floating at all times. I've just never heard of this before, I assumed it was done with the magnets. Can you remember where you read it? Dan
Posted by Daniel Bridge on 30/11/2009 - 16:59
Studio Setup
I would say to sort but that's me and I'm not you :wink: I believe the 70-200mm was the lens for portait and the 85mm was the prime lens. The 50-135mm on an cropped sensor comes close to the 70-200mm on fullframe. And 55mm on an cropped comes close to the 85mm on fullframe. I think 28mm is m...
Posted by Anvh on 01/12/2009 - 18:13
Bought a K7 today
Congrats Will. I would keep the K10D, it wont fetch much second hand and it has a different type of sensor as the K7 which might come in handy.
Posted by Anvh on 06/12/2009 - 13:44
Bought a K7 today
High ISO is better on the K7 but ISO200 is the native ISO of that sensor meaning that ISO100 on the K10D is better but up to iso400 there is little difference between them. White-balance is better on the K7 and so is focusing, it also has an AF assist light to help in low light.
Posted by Anvh on 08/12/2009 - 22:42
Bought a K7 today
No the Samsung sensor native iso is 200, that's why extended dynamic range limits you to that.
Posted by Anvh on 08/12/2009 - 23:20
Bought a K7 today
High ISO is better on the K7 but ISO200 is the native ISO of that sensor meaning that ISO100 on the K10D is better but up to iso400 there is little difference between them.White-balance is better on the K7 and so is focusing, it also has an AF assist light to help in low light. With RAW iamges, I fi...
Posted by selectcase on 08/12/2009 - 23:29
K-x review in Computer Shopper (Feb 2010)
The others The Kx got 4 stars stating the AF is pretty basic and limits creativity (?) Yeah it's easy thing to give them a minus point for that, something like handling would be harder to measure :wink: Just for the note, the Nikon D5000 use the same sensor as the KX so it's easy to see if the r...
Posted by Anvh on 06/12/2009 - 13:55
Will a camera lose it's focus with heavy use?
Might be that the AF need some cleaning it use optics after al, I'm sure some one here can enlighten us more... my camera is also getting old :roll:
Posted by Anvh on 12/12/2009 - 11:37
