PoE technology is used to transmit both data as well as power through a single cable. IP cameras equipped with PoE technology can send video records to the network while receiving power from the same PoE switch. This makes the … Continue reading →

1. Foscam, Mesh Wi-Fi Network Security Camera System. This is a great long-range camera system with a range of up to 1,000 feet, and is straightforward enough to be used by anyone. The security system comes with a 4-channel NVR … Continue reading →

As long as the fungus hasn’t eaten into the lens coatings the costs are ~$100AUS to pull the lens down at a non-canon repair centre. I’m not absolutely sure but I think Canon Aus may have a minimum charge of … Continue reading →

The initial 12mm f2 Oly lenses were made in Japan. Current ones are made in China. Are Olympus cameras made in China? All the HG and SHG lenses are made in Japan, and most of the SG lenses are made … Continue reading →

There’s no need to apply a protector to the lens as it’s sapphire glass is most likely more resilient then anything you’re likely to put over it .. Beware that some tempered glass protectors may cause flare or light anomalies … Continue reading →

The differential nature of the Gram stain is based on the ability of some bacterial cells to retain a primary stain (crystal violet) by resisting a decolorization process. Why Gram stain is called as differential staining? The Gram stain is … Continue reading →

A professional video camera (often called a television camera even though its use has spread beyond television) is a high-end device for creating electronic moving images (as opposed to a movie camera, that earlier recorded the images on film). What … Continue reading →

red. Safranin (also Safranin O or basic red 2) is a biological stain used in histology and cytology. Safranin is used as a counterstain in some staining protocols, colouring cell nuclei red. This is the classic counterstain in both Gram … Continue reading →

The 3 diaphragms include our respiratory, pelvic, and laryngeal diaphragms, which have intimate connections to systemic functioning which affects our overall health, as well as how successfully we are to interact with the world around us. What are the diaphragms … Continue reading →

It’s very easy to figure out the magnification of your microscope. Simply multiply the magnification of the eyepiece by the magnification of the objective lens. The magnification of both microscope eyepieces and objectives is almost always engraved on the barrel … Continue reading →

The build quality of this Sigma lens, though, is definitely built to take the demands of a professional workflow, especially in terms of usability and durability. Like the other Art lenses, the Sigma 24-70mm f/2.8 also includes Sigma’s trademark hyper … Continue reading →

AEL (aka AE Lock) is a function that can be used when you want to reframe the scene, but keep the current exposure from changing. It allows the camera to maintain the same brightness between shots. The AEL function is … Continue reading →

While contact lenses are usually a safe and effective form of vision correction, they are not entirely risk-free—especially if they are not cared for properly. Contact lenses are medical devices, and failure to wear, clean, and store them as directed … Continue reading →

Choose the AF-area mode by pressing the AF mode button while rotating the Sub-command dial. This setting determines what part of the frame the camera considers when establishing focus. Your choices are Face Priority, Wide Area, Normal Area, and Subject … Continue reading →

Set the mode dial to M (Manual Exposure). Press the bottom button on the control button to select the shutter speed or aperture value, then turn the control dial to select a value. Check the exposure value at “MM” (metered … Continue reading →