Search results for 'sensor cleaning' - page 642
IstD one of the forerunners of DSLR`s
Well, Pentax were one of the first to showcase a full-frame DSLR - this was prior to *ist series - based on the MZ-S it had a Philips 6MP sensor. The honor of selling the world's first FF DSLR goes to Contax and not Canon like so many folks believe. The body was the "N Digital".
Posted by Zekewhipper on 26/05/2016 - 05:45
Ricoh GR III
That's quite an old camera now and a small sensor unlike the current generation which are APSC
Posted by wvbarnes on 15/02/2016 - 14:41
Ricoh GR III
GRD - GRDIV, not APSC. GR-GRII APSC. Some street togs like the smaller sensor for the greater depth of field. Bit noisy but that's ok in street, even welcome.
Posted by DrOrloff on 16/02/2016 - 23:51
Perfect compact travel/pocket camera
I recently sold on my MX-1 as I found the lens etc limiting, in its place I bought a Lumix TZ-71 (same as UK 70) and wish pentax could offer something like this beauty. The zoom range and image quality is great, same sensor size as MX-1, but the settings/software side are way ahead and the ultimate...
Posted by BruceStrachan on 16/03/2016 - 13:40
Perfect compact travel/pocket camera
I bought a Fuji X30 with the Xtrans sensor and have been very happy with it. Regards Ian
Posted by philstaff on 01/06/2016 - 22:43
Perfect compact travel/pocket camera
My family bought me a Canon G7X with 1 inch sensor (newer model just out). No viewfinder but nice to have in case on belt for an evening out. Good in low light due to larger sensor, lousy battery life. I will still lug my K3 and lenses to Crete later this month. I would have missed kingfishers last ...
Posted by wvbarnes on 01/06/2016 - 23:05
Aperture Issue with Pentax K-30... any Suggestions?
I purchased a Pentax K-30 just over 2 years ago. I noticed a problem with the contrast with many of my pictures 6 to 8 months ago. So, I changed lenses, updated firmware, changed settings, had the sensor cleaned, and often turned the camera off and then back on… The problem corrected itself until 3-...
Posted by DavidDGreen on 23/03/2016 - 00:29
Macro Reproduction Ratios on APSC.
Common sense tells me that if we have 1:1 with 35mm format and we change the sensor behind the lens we crop the image. Therefore, the magnification increases.
Posted by johnriley on 04/04/2016 - 22:43
Macro Reproduction Ratios on APSC.
Common sense tells me that if we have 1:1 with 35mm format and we change the sensor behind the lens we crop the image. Therefore, the magnification increases. Common sense tells you wrong then John. :roll: Magnification here is size of image on the sensor / subject size. The rules for enlargemen...
Posted by petrochemist on 04/04/2016 - 22:57
Macro Reproduction Ratios on APSC.
I am aware of the rule, with full frame 35mm, that with a lens of x focal length, if x extension is applied, a repro. Ratio of 1:1 is achieved. Does this still apply on APSC? Thus, with my 100mm d fa macro, if I extend it by 100 mm, will I achieve 1:1 repro ratio? ......but I get that any...
Posted by Algernon on 05/04/2016 - 08:53
Macro Reproduction Ratios on APSC.
What matters is the pixel pitch. If you cram more pixels into your sensor, it will display bigger and print bigger. The 645z and K1 have the same pitch as the K5 (because that was the optimum ratio for quality), so a 25mm object will use the same number of pixels on all 3 formats. And the actual ob...
Posted by Darkmunk on 05/04/2016 - 10:12
Macro Reproduction Ratios on APSC.
What matters is the pixel pitch. If you cram more pixels into your sensor, it will display bigger and print bigger. The 645z and K1 have the same pitch as the K5 (because that was the optimum ratio for quality), so a 25mm object will use the same number of pixels on all 3 formats. And the actual ob...
Posted by Algernon on 05/04/2016 - 11:23
Macro Reproduction Ratios on APSC.
It can't be bigger (both images are the same size on the film/sensor) it's just at a higher resolution.
Posted by JAK on 05/04/2016 - 18:07
Macro Reproduction Ratios on APSC.
Higher resolution is bigger. 900 dots will print 3 inches, 1200 dots will print 4 inches. Same with displaying on screen. You seem to be confusing enlarging an image with the field of view at the time of taking it. Yes, a higher pixel count on the sensor may yield an image that can be enlarged ...
Posted by JAK on 05/04/2016 - 23:49
Macro Reproduction Ratios on APSC.
Ha ha. oh dear. I know what the OP was talking about, that's why I steered the convo back that way. If you have more pixels you can print larger. That's the bottom line. However, an ant on a 645 sensor will take up the same number of pixels as an ant on a k5 (coincidentally - same pixel pitch more...
Posted by Darkmunk on 06/04/2016 - 08:41
Macro Reproduction Ratios on APSC.
Answer: They will be identical Exactly. They have the same pitch, so the display of the object will be the same. How it fills the frame will be different. If you can fill the frame of a large sensor, then you are definitley onto a winner, with creamy tones and just pure scale! But, the bottom line...
Posted by Darkmunk on 06/04/2016 - 10:13
Macro Reproduction Ratios on APSC.
Common misconception; Surely, all that changes on a APS C is an image that is cropped in comparison to the same image on a full frame which will be exactly the same except the field of view covers a largerarea (FF). Consider the following: If you mount a 100 mm lens on an FF and a tripod and ph...
Posted by Daronl on 07/04/2016 - 10:51
Recommendations please for sensor cleaning.
My K500 seems to have some spots on the sensor which the normal in camera cleaning has not removed and the spots are in the same location on all my lenses so I need to clean the sensor. What do folks here use for sensor cleaning? Can anyone recommend any particular make of cleaning system? Stu...
Posted by broadstairs on 18/04/2016 - 08:51
Recommendations please for sensor cleaning.
First call is probably a 'rocket blower' with a valve & filter that stops more dust being blown out onto the sensor. However, it sounds as though the spots are bit more stubborn. I use Digipads and Eclipse fluid (I think both are available from somewhere like WEX in Norwich - and elsewhere too). ...
Posted by alfpics on 18/04/2016 - 09:16
Recommendations please for sensor cleaning.
Sensor clean mode, full battery, lens mount pointed downwards to encourage blown dust to exit camera, and Rocket Blower. On K3 I have the ultrasonic motion sensor clean on for start up and shut down. I've yet to have to resort to wet cleaning kits. I had a lot of trouble with lier KX and KR models i...
Posted by wvbarnes on 18/04/2016 - 09:45
