Check the white balance in the camera app. If it’s set to fluorescent and you’re using incandescent lighting, you’re get a yellowish-reddish cast over everything. If it’s neither of those, your front camera module could be bad. Why is there … Continue reading →

Just press the * button down to focus and let it go when the focus is achieved. If the Cfn. 4 is set to 1 or 3, the camera is now essentially in the MF mode as if the AF/MF … Continue reading →

Sony E-mount lenses. SIGMA has a rich lineup of Sony E-mount lenses and accessories optimized for mirrorless systems. Do SIGMA lenses fit Sony E-Mount? In addition to a growing line of lenses for these mirrorless systems, SIGMA offers adapters for … Continue reading →

Optimized for full-frame shooting, streamlined for compactness and value, the D610 will fuel your photographic passion like never before. Passionate photographers who seek uncompromised full-frame, high-resolution performance rely on Nikon FX-format HD-SLRs. Is Nikon AF full-frame? Yes, FX camera bodies … Continue reading →

According to a comprehensive study on exclusion, security cameras may create a feeling of alienation for some students and can incite a negative view of the school environment. Parents may not feel comfortable with their children being taped by the … Continue reading →

A lens reading F/4.0-5.6 means that as the lens zooms, the aperture narrows. The maximum aperture is F/4.0. But when fully zoomed in, the aperture narrows to F/5.6. The zoom lenses that do not change the aperture as they zoom … Continue reading →

Any programs scheduled to record during the power outage will not be recorded. If a recording is in progress during a power outage, the recording will resume once power is restored and the DVR restarts. The recording will show up … Continue reading →

Make Sure There Is No Signal Interference. If there is a bad reach, the IP camera can’t find your WiFi signal, and it cannot connect to the WiFi. The IP camera should not be too far from the router. Check … Continue reading →

Convex safety mirrors allow for up to 180 degrees of vision, and can be used to view at an angle to reduce accidents around blind corners and doorways. Do security cameras use convex mirrors? Convex Mirrors and Security Convex mirrors … Continue reading →

Night Vision When a camera tries to see in the dark, it needs a light source to illuminate the area below it. Unfortunately, the night vision illuminators that come with consumer cameras are designed for short range only and are … Continue reading →

There isn’t a setting for changing the aperture on an iPhone because, unlike DSLR lenses, there is no movable iris. One might think what seems like a wide aperture on a DSLR lens (ƒ/2.4 for iPhone 5) would yield a … Continue reading →

The best way to clean a camera lens without a cleaning kit is with your breath and a microfiber cloth. Lightly breathe onto the lens element to fog it up. The moisture from your breath works well to lift any … Continue reading →

What would happen if you reversed the order of the mordant and the primary stain? No staining would occur. The mordant, iodine, would not have anything to bind to. A gram positive reaction gives a pink/red color. What happens if … Continue reading →

Open the Settings on your iPhone. Tap on General → Restrictions. Enter your Restrictions passcode that you set up when enabling Restrictions. Toggle off the Camera option. How do I turn my camera off when my phone is locked? Restrict … Continue reading →

A parfocal zoom lens maintains focus as the focal point changes and the lens is zoomed (changing both focal length and magnification). A parfocal lens allows for more accurate focusing at the maximum focal length, and then quick zooming back … Continue reading →