cameras

8 x 10 Video Camera

8 x 10 Video Camera

I just completed designing and building an 8×10 video camera, the first in the world that I know of. Essentially its off-axis reimaging of a projected image. It’s a bit like IMAX, but waaaaay bigger. – Zev Hoover Before you get too excited, the camera is indeed an 8 x...

Nikon D850 Review

Nikon D850 Review

The Nikon D850 is a 4K DSLR. It is full frame and does not crop the sensor, even when shooting 4K. It shoots 120 fps in HD and has a recording time of 30 minutes. Its full frame, even when shooting 4K. The camera includes mic and headphone inputs. The Nikon D850 has a...

Cleaning The Camera Sensor

Cleaning The Camera Sensor

Talk to ten professionals and you may get ten different answers on the question of cleaning the camera sensor. But most agree that you want to err on the side of inaction. Cleaning the camera sensor too often or too aggressively is a very bad idea. When Should You...

Eclipse Burned These Cameras

Eclipse Burned These Cameras

(Photos courtesy of LensRentals.com) The Solar Eclipse of August 21, 2017 destroyed a few rental cameras as LensRentals.com discovered. The Tennessee-based camera rental shop reported that not all their customers heeded the warnings to use solar filters on cameras...

This PTZ Camera Can be Controlled From Anywhere

This PTZ Camera Can be Controlled From Anywhere

5.8 inches wide, 7.8 inches high The KY-PZ100 from JVC is a PTZ camera that can be controlled from anywhere over the internet. With traditional PTZ cameras, you can control the pan, tilt and zoom, but there is usually a serial or proprietary control cable between the...

Panasonic GH5

Panasonic GH5

CES didn't have much pro camera gear this year, and that makes the Panasonic Lumix DMC-GH5 stand out. This upgrade of their professional hybrid Micro Four Thirds camera features 4K video capture and up to 60fps, in-body image stabilization, and programmable focus...

The Sweet Spot of a Lens

The Sweet Spot of a Lens

To understand the sweet spot of a lens, we need to look into the math of f stops. Don't worry. It's not that bad and once you get the basic idea, you will be able to apply this knowledge in many situations. F stop is the measure of how much light can pass through a...