The Picatinny mount is perhaps the most popular type of mounting system for scopes because it has universal, standardized measurements. Due to this, many manufacturers make accessories to fit any Picatinny mount. While Weaver accessories can fit Picatinny rails, there is some play in the fitting. ...
perhaps already partly melted, look for foot imprints or any tracks in snow – these can serve as leading lines in your composition. Get low and close to those structures anduse a wide angle lens. Control your depth of field by applyinghyperfocal...
Look at the image of the subway sign above; notice how much larger the end closest to the camera appears compared to the end farther away. This is wide angle lens optics at work. Same with the image of the Brooklyn Bridge (top) and the buildings in the images below. Any subject...
The value proposition of the Duo, he feels, is that the Office integration and experience on Duo is better than any other device, such as the ability to have an Outlook message pane on the left screen while having message windows on the right. Similarly, you can do the same thing ...
(Lowe would patent his device a couple years later.) Jardine, designing and testing in secret, made some important improvements, finally selling his “Friends” around 1978. Cams revolutionized clean climbing, and over the last 40 years have improved to fit a wide range of cracks, as well ...
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My low power/wide field eyepiece is 35mm Then I want something around 2mm exit pupil, that happens to be 11mm eyepiece. Over time I came to conclusion that I only need one more step between the two, so comes 18mm. For highest power for DSO I go for 7mm, and I find that ...
Wide-angle focal lengths allow you to capture a good portion of the night sky as well as some of the landscape for foreground interest. A large maximum aperture is needed – these are referred to as ‘fast' lenses, so look with options that have the smallest f-stop number possible – we...
1. Canon TS-E 17mm f/4 – This is an ultra-wide-angle lens from Canon’s luxury line. It has a +/- 6.5° tilt and +/- 12mm shift. It’s an EF-Mount which means that it’s meant for full-frame sensor cameras. It’s useful for architectural photography and interior photography ...
First, a DSLR will completely outshine nearly any webcam in terms of picture quality thanks to its larger sensor. To compare, below is a 4K wide-angle webcam, the AVerMedia PW515: And here is the Sony a6600 with an 11mm f/2.8 lens at 4K: ...