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FESTA - Bartop Top v4.0 Pandora Box - Base Top
Bartop com a "Base Top", com iluminação a led sem fio. Ao encaixar o Bartop na Base, transfere energia automaticamente.
Bartop com placa eletrônica profissional com jogos na memória. Principais jogos de Fliperama
Ideal para lojas, festas, eventas, aluguéis. Manutenção quase zero, baixo consumo de energia.
UPMG é Ultra Power Mega Game
www.facebook.com/ultrapowermegagame
Sensor part of the FreeStyle Libre blood glucose monitoring system. This dedicated sensor is integrated on the main board inside the monitoring system. 42 photos are stacked using Zerene Stacker. The full width of the photo is approx. 15mm.
Camera: Nikon D850, ISO 64. Lens: AF Micro-Nikkor 60mm f/2.8D @ f/11 + 68mm Kenko extension tubes. Manual controlled microrail @ step-size 200um. Natural light.
Extreme conditions: periodic clouds, light pollution from the streets LED lamps, a lens developed to a small sensor attached in a camera with larger sensor, producing strong vignetting (1-inch sensor lens in an APS-C Fuji's camera), severe post-processing crop and so forth.
In the previous test with this lens the result is very bad in my opinion but in that time I didn't do a good review.
In Adobe Camera RAW the histogram was in the extreme right side in the base ISO 200 (exposure to the right) although the aperture two f-stops closed (from f/0.95 to f/2) and 8 seconds exposure time.
Of course, a lot of light came from urban area, including that one reflected by the clouds.
In the stacking process I have utilized only 25 frames without calibration ones.
The image result was clean!
The severe crop have solved the problem about the strong vignetting - the area of the sensor where no light is present - and star aberrations near the borders no compromising the image quality significantly.
The base ISO provided better star colors and we can distinguish the orange and blue stars in the image.
Conclusions:
Schneider-Kreuznach Xenon 25mm f/0.95 is a "jewel" in terms of optics.
The only flaw is not related to the lens but to the camera sensor size unespecific to it.
Probably I will have better results in a camera with 1-inch sensor size ou smaller (2/3 inch for example).
Lens distorsion is very low compared to other ones with the same or similar focal length.
Star aberrations have the same pattern of the urban lights at night street photography. In fact, aesthetically is very bad in f/0.95 even at the center of the image. In an one-inch sensor this condition won't be different. Unusable!
Targets as Barnard's Looping is very difficult in these climate conditions and urban area with severe light pollution.
Probably in a darker area, distant from the urban center, the colors of this nebula would can be bring in the post-processing easily.
Veredict: Wonderful lens in the specific sensor to which it was developed.
On my birthday in 1983 I got my first camera. With this camera, an Agfa Optima Sensor, I made my first train pictures.
The Agfamatic 100 is a viewfinder camera for Pak-Film 126 cassettes. It has an Agfa Colorstar lens with fixed focus and fixed aperture. Two shutter speeds are selectable with the ring around the lens barrel, the scale showing a cloud and a sun symbol. The camera has a single stroke advance lever that advances the film, cocks the Parator shutter and turns the flash cube holder on which magicubes can be fired as flash. On the axis of the advance lever is the red "sensor", the shutter release button hidden under a round piece of red foil. A little black plastic button side on the side unlocks the back door for opening the camera. The back door has a window for making visible the film cassette's exposure counter. The camera has an optical bright frame viewfinder of reverse Galilean type
Wireless alcohol sensor integrated into a beer can:
Arduino (ATMEGA168 in a minimal configuration) + bluetooth (Blue SMiRF) + power supply (9V battery) + alcohol sensor (MQ-3).
To be used as an alcohol wireless mic during "Nunk on Droise" performances.
Took before sunset - see great bokeh an color rendition. Some of the Carl Zeiss lenses like CZJ 3.5/135, 1.8/50 QBM, CZJ 2.4/35 are so good pared with KODAK sensor in earlier Olympus 4/3 cameras, that I'm thinking they are just born to be together...
The HOBOnet TEROS 21 is a wireless sensor that works with the HOBOnet system to measure both soil temperature and soil water potential, a more accurate way to measure how much water is available to plants. The HOBOnet TEROS 21 Sensor is designed to withstand harsh environmental conditions, and it doesn’t require calibration for different soil types or salinity.
The HOBOnet system is a cost-effective and scalable option for web-enabled monitoring of field conditions for applications such as crop management, research, and greenhouse operations. And because it’s wireless, you can deploy a network of sensors to easily monitor multiple points with a single system, while avoiding the risk of long cables that can interfere with field operations and are potentially vulnerable to nearby lightning strikes.
Sensors are easily linked to the network, and data can be accessed through HOBOlink®, Onset's innovative cloud-based software platform.
• Highlighted Features
• Soil water potential and soil temperature measurements with one device
• A more accurate picture of the amount of water available to plants than volumetric water content sensors
• No calibration required for soil type or salinity
• Long-lasting and maintenance-free with durable epoxy construction
• Wide measurement range: -9 to -2000 kPa
The two black sensors will be fitted into the lower black sections of the bumper, the two coloured ones will be located into the upper coloured section of the bumper
Arduino Heartbeat sensor circuit soldered together without a board. Later enshrined in electrical tape.
Information: cmpercussion.blogspot.com/2009/07/heartbeat-sensor.html
I will be using this camera in week 71 of my 52 film cameras in 52 weeks project:
www.flickr.com/photos/tony_kemplen/collections/72157623113584240
The first year is documented in this book:
Rain sensor for sprinkler system - Feel free to use this photo for your website or blog as long as you include photo credit with a clickable (hyperlinked) and do-follow link to
It's been awhile since I've been able to work on any fun projects but this weekend I dug an old Raspberry Pi out of the junk box. Flashed the OS. Adding an ADC hat and non-invasive current sensor to monitor 240v power usage by the Bitcoin miners
This light sensor works reasonably well. Goodluckbuy list it as “Electronic Brick Light Sensor Brick Module” (SKU: 75283). That’s right brick is in there twice.
From what I could find I think made by Itead. The A-D switch lets you pick the type of output from the sensor. An analogue voltage or digital high/low. The switch point for digital is adjustable via the pot and the board uses an LM358 op-amp.
Programming and working out how to apply an analogue input value to automatically adjust an output brightness value for my series of 7-segment displays proved annoying and I had little success. I believe a lot more trial and error would be needed to make this and other displays adjust with the brightness of the room. Or perhaps I’m just a bit crap.
[iteadstudio.com/store/index.php?main_page=product_info&am...]
This is a very simple digital sound sensor (Arduino Sound Sensor Module for Sensor Shield, SKU 74446) from Goodluckbuy. It’s either triggered because there’s a sound loud enough or not. The sound level threshold can be set by adjusting the pot on the PCB and the red surface mounted LED can visually show you when the device is being triggered. Much like the light sensor an op-amp is used (LM393).
The only down side is I would have liked the choice of either a digital or an analogue value much like the light sensor and it’s switch.
Agfa Optima Sensor (~1982)
Solitar lens 1:2,8/40mm
Paratronic shutter 1/30-1/1000
Zone focus
CDS light meter
The advance lever double functions as rewind lever, after the rewind button is pressed.
This camera was made in Portugal
Go-Ahead London Central (LT846, LTZ 1846, New Cross/New Cross Road (NX)-based) at London Bridge (South Side), London Bridge, London. Body no AN391, delivered new 07/10/2016 via Heysham Docks. Apologies for the mark on the left hand side of the photo, caused by a clump of sensor dust that got into one of the filters in my camera lens.
Agfamatic Sensor 100, Germany, 1971.
What must be the best, most minimalist case ever designed for a camera.
The Agfamatic 100 is a viewfinder camera for Pak-Film 126 cassettes. It has an Agfa Colorstar lens with fixed focus and fixed aperture. Two shutter speeds are selectable with the ring around the lens barrel, the scale showing a cloud and a sun symbol. The camera has a single stroke advance lever that advances the film, cocks the Parator shutter and turns the flash cube holder on which magicubes can be fired as flash. On the axis of the advance lever is the red "sensor", the shutter release button hidden under a round piece of red foil.
-Camerapedia
While I rarely see foxes in my area, I often see some tracks from one. I was happy to finally get a high quality image a couple nights ago. If anyone knows why this fox has darker than expected fur on the back I'd love to know (possibly related to the thinned tail -- slight mange?)
Taken with 2 SB-28s set on 1/8 (10 feet away on the right) and one on 1/16 (4 feet away on the left), triggered with a PIR sensor.
See more : www.alexbecker.smugmug.com
The official dust-and-oil photo check from the last time. Even less change from June to August than there was from April to June (if anything moved, it's probably because the shot is with a different lens than the ones I took all the others with).
Shutter count 7,166.
At one time, I would take my digital cameras to a technician to clean my sensors. When the cost became prohibitive, I started cleaning my own.
Here are two Youtube videos that I found helpful :
Printemps 2011 : Jardin Botanique du Montet / Serre Tropicale
Photos : T2P Photos
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