Three 70-200mm f/2.8 lenses compared on the Nikon Z7 (Nikkor F mount, Sigma Sport and Nikkor Z-mount)

Dariusz Breś compared three different 70-200mm f/2.8 lenses on the Nikon Z7 mirrorless cameras (see his previous guest  posts here): Nikon AF-S Nikkor 70-200mm f/2.8E FL ED VR lens for Nikon…

Video: Weird lens guru turns $20 Carl Zeiss projector lens into a swirly-bokeh camera lens

Weird lens guru Mathieu Stern is back at it with a new video that shows images captured with two $20 Carl Zeiss projector lenses he converted into camera lenses. As…

Consumer motion picture ECN-2 film developer kits from QWD Lab: info and Q&A

Earlier this week Philadelphia-based QWD Lab released a brand new film developer kit made specifically for small-scale development of motion picture film at home in its native ECN-2 process. The…

Roger Cicala: why I don’t use an MTF bench to test my own lenses

Roughly clockwise from left: 300mm collimator, laser transmission testing, lens test projector, Trioptics Imagemaster HR optical bench, spectrometry measurement. It might not look like much, but the total cost is…

Photographing Stars Using a Kit Lens

The post Photographing Stars Using a Kit Lens appeared first on Digital Photography School. It was authored by Adeel Gondal. Nikon D5100 | 18mm | 20 sec | f/3.5 |…

You can finally autofocus Leica M-mount lenses on Nikon Z mirrorless cameras with the new Techart TZM-01 adapter

Now you finally autofocus Leica M-mount lenses on Nikon Z mirrorless cameras with the upcoming Techart TZM-01 lens adapter. Here are two video demos of the new adapter in action: TZM-01…