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Flower head detail at Hornimans Museum gardens London. CCD sensor Sony Alpha 380 with a Tamron 90mm macro.
Amazing. I finally cleaned my sensor and I'm overjoyed with the clean skies! This is pretty much right out of the camera, no cloning out dirt spots. Taken in Felicity, CA, just this side of the Arizona boarder.
Sensor X3foveon, cámara sd1 Merrill y lente sigma 15-30 ya veterana.
Todas las fotografías del volcán y su laguna realizadas con está cámara, con archivos que van desde los 45 mb hasta 58 mb.
Hästar söker svalka / Horses Cooling Themselves in Water
Oil and ink on canvas (1902) by Swedish artist Nils Kreuger (1858-1930).
The gallery is the former, magnificent home of the banker Ernest Thiel (1859-1947), situated on the island Djurgården in central Stockholm.
Click on the image for full resolution
The Crux constellation and the Coalsack Nebula (C99) captured with an old DSLR.
My Nikon D5000 have a serious issue with its sensor. On the right corner and top of the image we can see it failure. A region of the sensor which does have a lack of sensitivity.
First I though it was a "flat frame issue", but it's not. Darks and bias doesn't help.
Only after a carefully processing I'm "ok" in posting this picture. But my Nikon D5000 is old, and I'm not happy to say that it needs to retire.
Manifestazione dell'U.D.I. (Unione Donne in Italia) a favore della legge sull'aborto.
Poi approvata il 22 maggio 1978, come Legge n.194
Agfa Optima 500 Sensor, Ilford FP4
I diritti delle mie immagini sono riservati. E' vietato qualsiasi uso, senza il mio preventivo consenso.
mattia.camellini@alice.it
The first thing to say is that each electronic sensor has a protective filter over it, so we are not actually touching the electronics. That would be a disaster. Most people send the camera off for a service and a clean and that's a very good idea. After all this is an expensive investment and we want to make sure our camera works as well as possible for as long as it can.
But, it is quite easy to clean your sensor at home. All you need is a kit (like the one I've shown). This includes sealed sterile swabs and a little cleaning fluid (they are essential - do not try to clean your sensor with a cloth where you can scratch the dust into the sensor filter). There are also many videos on YouTube showing you how to use these dust cleaning swabs, but provided you get the right size for your camera (mine is full frame) a simple swipe will suffice.
For a DSLR you obviously need to lock your mirror up before the clean, and then lower it immediately afterwards. Then with the other side of the swab give your mirror a quick wipe as well. Do not apply too much pressure. After all, these are only tiny dust particles - you should not have any dirt.
My Leica D-Lux 7 which I used to take these pictures has a fixed lens, so it will never need its micro-four-thirds sensor cleaned.
Introduction to CMOS Image Sensors
evidentscientific.com/en/microscope-resource/knowledge-hu...
Colorado Springs - Garden Of The Gods
A very interesting place of some very cool rock formations. This is 3 frame HDR shot.
May be too much for some tastes, but the original photo was a bit drab..
Unfortunately didn't have the time to check out the entire area as much as I would have liked.
I'm currently film testing this little beauty, it has been tested and cleaned up with a new colour and some tlc. She's ready to rock and roll all over again! On sale very soon!
Agfa Selectronic Sensor 35mm Film Camera
Sony A7RII Fine Art Zion National Park Autumn Winter Subway Hike! Dr. Elliot McGucken Fine Art Landscape Photography!
An important thing to remember is that even though pixel sizes keep getting smaller and smaller, the technology is advancing, so the smaller pixels are more efficient at collecting light. For instance, the Sony A7rII is back-illuminated which allows more photons to hit the sensor. Semiconductor technology is always advancing, so the brilliant engineers are always improving the signal/noise ratio. Far higher pixel counts, as well as better dynamic ranger, are thus not only possible, but the future!
Yes I have a Ph.D. in physics! I worked on phototranistors and photodiodes as well as an artificial retina for the blind. :)
You can read more about my own physics theory (dx4/dt=ic) here: herosodysseyphysics.wordpress.com/
And follow me on instagram! @45surf
Facebook!
www.facebook.com/elliot.mcgucken
Dr. Elliot McGucken Fine Art Photography!
I love shooting fine art landscapes and fine art nature photography! :) I live for it!
Feel free to ask me any questions! Always love sharing tech talk and insights! :)
And all the best on Your Epic Hero's Odyssey!
The new Lightroom rocks!
Beautiful magnificent clouds!
View your artistic mission into photography as an epic odyssey of heroic poetry! Take it from Homer in Homer's Odyssey: "Tell me, O muse, of that ingenious hero who travelled far and wide after he had sacked the famous town of Troy. Many cities did he visit, and many were the nations with whose manners and customs he was acquainted; moreover he suffered much by sea while trying to save his own life and bring his men safely home; but do what he might he could not save his men, for they perished through their own sheer folly in eating the cattle of the Sun-god Hyperion; so the god prevented them from ever reaching home. Tell me, too, about all these things, O daughter of Jove, from whatsoever source you may know them. " --Samuel Butler Translation of Homer's Odyssey
All the best on your Epic Hero's Odyssey from Johnny Ranger McCoy!
Sony A7RII Fine Art Zion National Park Autumn Winter Subway Hike! Dr. Elliot McGucken Fine Art Landscape Photography! Sony A7R2 & Sony 16-35mm Vario-Tessar T FE F4 ZA OSS E-Mount Lens!
Sensor
Max resolution 4000 x 3000
Other resolutions 4:3 (3264 x 2448, 2048 x 1536), 3:2 (4000 x 2672, 3264 x 2176, 2048 x 1360), 16:9 (4000 x 2248, 3840 x 2160, 1920 x 1080), 1:1 (2992 x 2992, 2448 x 2448, 1920 x 1920)
Image ratio w:h 1:1, 4:3, 3:2, 16:9
Effective pixels 12 megapixels
Sensor photo detectors 13 megapixels
Sensor size 1/2.3" (6.17 x 4.55 mm)
Sensor type BSI-CMOS
Processor Venus Engine
Image
ISO Auto, 100-6400
White balance presets 5
Custom white balance Yes
Image stabilization Optical
Image stabilization notes 5-axis hybrid IS in movie mode
Uncompressed format RAW
JPEG quality levels Fine, standard
Optics & Focus
Focal length (equiv.) 25–600 mm
Optical zoom 24×
Maximum aperture F2.8
Autofocus
Contrast Detect (sensor)
Multi-area
Center
Selective single-point
Tracking
Single
Continuous
Touch
Face Detection
Live View
Digital zoom Yes (4X)
Manual focus Yes
Normal focus range 30 cm (11.81″)
Macro focus range 1 cm (0.39″)
Screen / viewfinder
Articulated LCD Fully articulated
Screen size 3″
Screen dots 1,040,000
Touch screen Yes
Screen type TFT LCD
Live view Yes
Viewfinder type Electronic
Viewfinder coverage 100%
Viewfinder magnification 0.7×
Viewfinder resolution 1,440,000
Photography features
Minimum shutter speed 60 sec
Maximum shutter speed 1/16000 sec
Aperture priority Yes
Shutter priority Yes
Manual exposure mode Yes
Subject / scene modes Yes
Built-in flash Yes
Flash range 8.80 m (at Auto ISO)
External flash Yes (via hot shoe)
Flash modesAuto, auto w/redeye reduction, forced on, forced on w/redeye reduction, slow sync, slow sync w/redeye reduction, forced off
Continuous drive 12.0 fps
Self-timer Yes
Metering modes
Multi
Center-weighted
Spot
Exposure compensation ±3 (at 1/3 EV steps)
AE Bracketing ±3 (3, 5, 7 frames at 1/3 EV, 2/3 EV, 1 EV steps)
WB BracketingNo
Videography features
Resolutions 3840 x 2160 (30p, 24p), 1920 x 1080 (60p, 60i, 30p, 24p), 1280 x 720 (30p), 640 x 480 (30p)
Format MPEG-4, AVCHD
Microphone Stereo
Speaker Mono
Storage
Storage typesSD/SDHC/SDXC card
Connectivity
USBUSB 2.0 (480 Mbit/sec)
HDMI Yes (mini-HDMI)
Microphone port Yes
Headphone port No
WirelessBuilt-In
Wireless notes802.11b/g/n
Remote controlYes (wired or smartphone)
Physical
Environmentally sealed Yes (Water and dust resistent)
BatteryBattery Pack
Battery descriptionLithium-ion battery & charger
Battery Life (CIPA)380
Weight (inc. batteries)691 g (1.52 lb / 24.37 oz)
Dimensions132 x 92 x 117 mm (5.2 x 3.62 x 4.61″)
Fabriqué en Allemagne à partir de 1971.
Le Format 126 est un format de pellicule photographique 35 mm à perforations spéciales monté dans une cartouche plastique, mis au point par l'ingénieur Hubert Derwin et produit de 1963 à 1999. Les vues sont au format carré, de 28 mm de côté.
Sylvania Magicube . Fabriqué en Belgique!
I put these together for a training program I am building. These are posted mainly for my fellow Nikon Trainers to have easier access to them.
The sister image is here: www.flickr.com/photos/pva1964/4211866567/in/photostream/
There is still so much misinformation out there about the DX vs. FX format and how it effects the image.
The number printed on the lens barrel (i.e. 35mm f/2) That number is the measured distance between the optical center of the lens and the image plane. That measurement does NOT change as the sensor changes size. The lens can NOT be "just like" a different focal length. The lens does NOT "become" a different focal length as the sensor size is changed.
The only noticeable optical difference between a DX and FX lens is the size of the image circle. That is, the size of the circle of light "projected" through the lens and onto the sensor.
Cropping the image causes it to fill more of the viewfinder, but it does not... DOES NOT... magnify the image in any way.
Optical properties of a given lens or focal length remains unaffected by a sensor crop. Properties such as Depth of Field and compression characteristics at a given working distance remain completely unchanged as the lens projects a smaller DX image circle or a larger FX image circle.
To see what happens when you think that DX cropping can magnify a given lens and change those optical properties check this out: www.flickr.com/photos/pva1964/sets/72157622696975118/