File list
This special page shows all uploaded files.
| Date | Name | Thumbnail | Size | User | Description | Versions |
|---|---|---|---|---|---|---|
| 17:08, 5 January 2021 | Nikon18-200-extended.jpg (file) |  |
365 KB | Kgf | The Nikon18-200 fully extended to 200mm focal length. | 1 |
| 17:09, 5 January 2021 | Nikon18-200-wide.jpg (file) |  |
550 KB | Kgf | The Nikon18-200 at its widest setting (18mm == 27mm on full frame). Compare to File:Nikon18-200-long.jpg which was shot from the same location. | 1 |
| 17:11, 5 January 2021 | Nikon18-200-long.jpg (file) |  |
407 KB | Kgf | The Nikon18-200 at 200mm (300mm equivalent full frame). Compare to File:Nikon18-200-wide.jpg which was shot from the same location. | 1 |
| 17:14, 5 January 2021 | Bianca grass1.jpg (file) |  |
570 KB | Kgf | Series of pictures on focus and depth of field. Here Bianca, the mascot of [pulp-platform.org PULP platform] is in focus. Compare to File:Bianca_grass2.jpg | 1 |
| 17:15, 5 January 2021 | Bianca grass2.jpg (file) |  |
504 KB | Kgf | Series of pictures on focus and depth of field. Here Bianca, the mascot of [pulp-platform.org PULP platform] is out of focus, and the focus is on the plant in the foreground. Compare to File:Bianca_grass1.jpg | 1 |
| 17:19, 5 January 2021 | Focus near.jpg (file) |  |
464 KB | Kgf | Series of pictures on focus and depth of field. This picture is taken with a Nikon 18-200 at <kbd>f/5.3</kbd>. The focus is on the cook in the foreground. See also File:Focus_mid.jpg and File:Focus_far.jpg | 1 |
| 17:20, 5 January 2021 | Focus mid.jpg (file) |  |
484 KB | Kgf | Series of pictures on focus and depth of field. This picture is taken with a Nikon 18-200 at <kbd>f/5.3</kbd>. The focus is on Bianca the Bear in the middle. See also File:Focus_near.jpg and File:Focus_far.jpg | 1 |
| 17:20, 5 January 2021 | Focus far.jpg (file) |  |
541 KB | Kgf | Series of pictures on focus and depth of field. This picture is taken with a Nikon 18-200 at <kbd>f/5.3</kbd>. The focus is on the background. See also File:Focus_near.jpg and File:Focus_mid.jpg | 1 |
| 17:22, 5 January 2021 | Focus eye.jpg (file) |  |
564 KB | Kgf | Series of pictures on focus and depth of field, with Bianca the Bear, the mascot of [http://pulp-platform.org PULP platform]. This picture is taken with a Nikon 18-200 at <kbd>f/5.6</kbd>. The focus is on the eye, but you see that the nose is already out of focus. See also File:Focus_nose.jpg. | 1 |
| 17:23, 5 January 2021 | Focus nose.jpg (file) |  |
551 KB | Kgf | Series of pictures on focus and depth of field, with Bianca the Bear, the mascot of [http://pulp-platform.org PULP platform]. This picture is taken with a Nikon 18-200 at <kbd>f/5.6</kbd>. The focus is on the nose, but you see that the eye is already out of focus. See also File:Focus_eye.jpg. | 1 |
| 17:26, 6 January 2021 | Samsung scaled.jpg (file) |  |
324 KB | Kgf | Picture taken to show that cellphones are good enough for most of your needs using a 2017 Samsung A3 in relatively bad light and no support. | 1 |
| 17:27, 6 January 2021 | Samsung crop.jpg (file) |  |
334 KB | Kgf | A center crop from File:Samsung_scaled.jpg, a picture taken to show that cellphones are good enough for most of your needs using a 2017 Samsung A3 in relatively bad light and no support. At 1280x960 pixels, this is 1:1. | 1 |
| 13:23, 8 January 2021 | Nikon28-200.jpg (file) |  |
440 KB | Kgf | The Nikon 28-200, a universal zoom mounted on a Nikon D610. | 1 |
| 13:23, 8 January 2021 | Nikon28-200 extended.jpg (file) |  |
433 KB | Kgf | The Nikon 28-200, a universal zoom extended to 200mm on a Nikon D610. | 1 |
| 15:30, 8 January 2021 | Nikon28-200 at28.jpg (file) |  |
364 KB | Kgf | The Nikon 28-200, a universal zoom mounted at its widest, 28mm. Notice the falloff and distortion (visible at the top and bottom). | 1 |
| 15:30, 8 January 2021 | Nikon28-200 at200.jpg (file) |  |
320 KB | Kgf | The Nikon 28-200, a universal zoom mounted at its longest, 200mm. | 1 |
| 15:31, 8 January 2021 | Nikon28-200 at120.jpg (file) |  |
409 KB | Kgf | One lens many uses, the Nikon 28-200, a universal zoom at about 120mm focal length. | 1 |
| 15:32, 8 January 2021 | Nikon28-200 at85.jpg (file) |  |
311 KB | Kgf | One lens many uses, the Nikon 28-200, a universal zoom at about 85mm focal length. | 1 |
| 16:57, 8 January 2021 | Distorted.jpg (file) |  |
541 KB | Kgf | A picture to highlight distortion using a Nikon 28-200 at 28mm focal distance where the distortion is very visible. I added two straight lines to make the effect more obvious. Compare this to File:distortion_corrected.jpg | 1 |
| 17:00, 8 January 2021 | Distortion corrected.jpg (file) |  |
657 KB | Kgf | A picture to highlight distortion using a Nikon 28-200 at 28mm focal distance. This time the <kbd>Auto distortion control</kbd> of the Nikon D610 has been activated. Compare to File:distorted.jpg where this was off. I added the same two straight lines for comparison | 1 |
| 17:57, 8 January 2021 | Barrel.png (file) |  |
232 KB | Kgf | Example for barrel distortion | 1 |
| 17:58, 8 January 2021 | Pincushion.png (file) |  |
235 KB | Kgf | Example for pincushion distortion | 1 |
| 14:55, 9 January 2021 | Falloff 1.8.jpg (file) |  |
207 KB | Kgf | Picture of a Nikon 28-200 to demonstrate falloff taken by a Nikon 50 using a full frame camera at <kbd>f/1.8</kbd>. Compare to File:Falloff_4.5.jpg | 1 |
| 14:56, 9 January 2021 | Falloff 4.5.jpg (file) |  |
191 KB | Kgf | Picture of a Nikon 28-200 to demonstrate falloff taken by a Nikon 50 using a full frame camera at <kbd>f/4.5</kbd>. At this smaller aperture, the falloff is no longer visible. Compare to File:Falloff_1.8.jpg | 1 |
| 21:14, 10 January 2021 | Nikon28-200pumpkin.jpg (file) |  |
315 KB | Kgf | An angry pumpkin, left outside way after Halloween, shot using a Nikon 28-200. Compare to [[:File:Nikon135pumpkin.jpg] same place a few months earlier, which was shot from a similar angle using probably one of the finest lenses at around the same focal length, the Nikon 135. | 1 |
| 17:16, 11 January 2021 | Sharp house annotated.jpg (file) |  |
410 KB | Kgf | A example picture taken using a Nikon 70-300 with Nikon D850 to discuss sharpness. The original picture is 8'256 x 5'504 pixels (45 megapixels) on this website, it was scaled to 1280 x 853 (more then 40x smaller). There are four regions to highlight issues with sharpness. | 1 |
| 17:20, 11 January 2021 | Notsharp window.jpg (file) |  |
52 KB | Kgf | A 640 x 400 pixel crop from File:Sharp house annotated.jpg to highlight issues with sharpness, this is the lower right side of the picture. This is 0.5% of the 45 Megapixel original image. | 1 |
| 17:22, 11 January 2021 | Notsharp roof.jpg (file) |  |
73 KB | Kgf | A 640 x 400 pixel crop from File:Sharp house annotated.jpg to highlight issues with sharpness, this is the upper right side of the picture. This is 0.5% of the 45 Megapixel original image. The arrow points to the wire that runs along the roof, this is the ''soft'' part of the image for the lens. Compare to File:sharp_roof.jpg. | 1 |
| 17:24, 11 January 2021 | Sharp window.jpg (file) |  |
62 KB | Kgf | A 640 x 400 pixel crop from File:Sharp house annotated.jpg to highlight issues with sharpness, this is towards the middle of the picture. Compare to File:Notsharp_window.jpg, you will see that the frame is much better defined. Note that this crop is 0.5% of the 45 Megapixel original image. | 1 |
| 17:24, 11 January 2021 | Sharp roof.jpg (file) |  |
98 KB | Kgf | A 640 x 400 pixel crop from File:Sharp house annotated.jpg to highlight issues with sharpness, this is towards the middle of the picture. Compare to File:Notsharp_window.jpg, and look for the arrow. You will see that the wire is clearly visible. Note that this crop is 0.5% of the 45 Megapixel original image. | 1 |
| 17:29, 11 January 2021 | Sharp london.jpg (file) |  |
432 KB | Kgf | Picture of London taken with a Nikon 105 mounted on a Nikon D810. The picture highlights various issues on sharpness. The roof at the bottom is too close and out of focus, there are various chimneys that release smoke which ''blurs'' part of the image, and there is a haze that limits the visibility to the distance. However the small cutout File:Sharp_london_zoom.jpg shows that even on the side this picture is actually remarkably sharp. | 1 |
| 17:31, 11 January 2021 | Sharp london zoom.jpg (file) |  |
34 KB | Kgf | A tiny cutout of 160 x 100 pixels (scaled to 1280x800 to illustrate the effect) from File:sharp_london.jpg taken with a Nikon 105 mounted on a Nikon D810. This part of the image is remarkably sharp although it is one the side of the frame. | 1 |
| 09:21, 14 January 2021 | 24 120.jpg (file) |  |
420 KB | Kgf | The Nikon 24-120 (left) and Nikon 24-70 (right) side by side. While the Nikon 24-70 is regarded as one of the best lenses for Nikon, the Nikon 24-120 ended up in the list of [https://kenrockwell.com/nikon/10-worst.htm Nikon's 10 Worst Lenses] by [https://www.kenrockwell.com/index.htm Ken Rockwell]. Ironically the list only contains 6 lenses, so it must be really bad. | 1 |
| 09:23, 14 January 2021 | 24 120 at24.jpg (file) |  |
668 KB | Kgf | The Nikon 24-120 at a focal length of 24mm. | 1 |
| 09:23, 14 January 2021 | 24 120 at85.jpg (file) |  |
577 KB | Kgf | The Nikon 24-120 at a focal length of 85mm. | 1 |
| 09:23, 14 January 2021 | 24 120 at120.jpg (file) |  |
565 KB | Kgf | The Nikon 24-120 at a focal length of 120mm. | 1 |
| 18:16, 16 January 2021 | Dust on sensor.jpg (file) |  |
625 KB | Kgf | Two images File:24_120_at85.jpg and File:24_120_at120.jpg put side by side. The highlight is on a piece of dust that seems to have settled on the image sensor. read how to clean image sensors here | 1 |
| 18:51, 16 January 2021 | Mirror away.jpg (file) |  |
305 KB | Kgf | Here is a Nikon D610 with its mirror locked up to reveal the image sensor. This is needed to clean the sensor. | 1 |
| 18:53, 16 January 2021 | Swab.jpg (file) |  |
283 KB | Kgf | Attempting to clean the sensor of a Nikon D610. This shot is staged, but the idea is the same, start at one side, and gently wipe in one direction, rotate the swab and wipe once again in the same direction. | 1 |
| 19:06, 16 January 2021 | Dirty sensor.jpg (file) |  |
147 KB | Kgf | A picture that highlights a very dirty image sensor. This is not how a sensor normally gets dirty, this is way over the top. Use a small aperture and a close focus, see more how to clean image sensors. | 1 |
| 19:08, 16 January 2021 | Clean sensor.jpg (file) |  |
108 KB | Kgf | Better looking sensor, see how to clean image sensors. | 1 |
| 20:25, 16 January 2021 | 6881 dirty.jpg (file) |  |
119 KB | Kgf | A cute bunny posing in the Azores in front of a lighthouse shot by a Nikon 10-24 at very small aperture (<kbd>f/20</kbd>) to get both the bunny and the lighthouse sharp. The arrows point to shadows of the dirt that has accumulated on the sensor. This is really dirty. But compare to File:6877_noeffect.jpg which is made seconds earlier, and you will not notice it. As explained in how to clean image sensors, smaller dust and dirt will only show up under certain conditions, do no... | 1 |
| 20:28, 16 January 2021 | 6877 noeffect.jpg (file) |  |
161 KB | Kgf | A lighthouse in the Azores shot by a Nikon 10-24 at <kbd>f/5</kbd>. This is the same camera/lens used for File:6881_dirty.jpg where you can see how dirty the image sensor is. Even in the original image, you can not see anything. As explained in how to clean image sensors, smaller dust and dirt will only show up under certain conditions, do not go overboard trying to clean things. | 1 |
| 22:02, 25 January 2021 | Nikon180.jpg (file) |  |
308 KB | Kgf | The great Nikon 180 manual focus lens, although this is a picture of a quite old lens, it still looks shiny, excellent build quality. | 1 |
| 22:02, 25 January 2021 | Nikon180camera.jpg (file) |  |
445 KB | Kgf | The great Nikon 180 manual focus lens, mounted on a Nikon D610. | 1 |
| 22:04, 25 January 2021 | Nikon180full.jpg (file) |  |
288 KB | Kgf | The great Nikon 180 manual focus lens on a full frame camera at about 2m and at <kbd>f/2.8</kbd>. It is hard for me to describe why I love this lens, but look at the way Bianca the Bear stands out. This is handheld. | 1 |
| 22:06, 25 January 2021 | Nikon180apsc.jpg (file) |  |
307 KB | Kgf | The great Nikon 180 manual focus lens on a APS-C camera at about 2m and at <kbd>f/2.8</kbd>. This is equivalent to 270mm focal length. Compare also to File:Nikon180full.jpg. | 1 |
| 21:35, 10 February 2021 | Poster picture.jpg (file) |  |
298 KB | Kgf | Picture of the gorgeous courtyard of the British Museum in London. Picture by a Nikon 10-24. There are a couple of things that make this wide angle work. I am taking this picture from the second floor, so I can hold the camera straight. Second the center image has practically a cylinder so the distortion is not so visible and third, the interesting part what you see is the great roof design by Norman Foster that already has a funny shape. If you were to look at the people on the edges... | 1 |
| 21:42, 10 February 2021 | Poster in room.jpg (file) |  |
452 KB | Kgf | My room highlighting the quite large poster in the background. This is a 2meter poster and the picture File:Poster picture.jpg picture is actually a 24 Megapixel image which is not even particularly sharp, but works well in the room. One trick is that you do not really come close to such pictures and look at them from a distance. This picture was taken with a Nikon 20. | 1 |
| 22:10, 10 February 2021 | Ep pages.jpg (file) |  |
381 KB | Kgf | A glossy print from [https://europractice-ic.com/wp-content/uploads/2019/06/EP-activity-Report-2018.pdf Europractice activity report from 2019]. We will be looking at the picture on the bottom right. | 1 |
