Testing lenses for coma with a laser pointer star simulator in the daytime. Simple test setup also shows starburst diffraction spikes ...
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The Irix Edge 100 filter system is announced for wide angle lenses - fitting directly to the Irix 15mm f/4 lens. The filter holder is to host a collection of 100mm and 100mm x 150mm filters...
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FoCal AF calibration software is updated to V2.5 - Software lets you tune and adjust camera autofocus performance. Adds 6D2 and D7500 support...
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Techart EF lens to Fuji GFX lens adapter with AF functionality. Lens aperture can be set from the camera control dial. Firmware is updateable...
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Using an ultra-wide zoom lens for architectural photographs. Testing the Sigma 12-24mm F4 DG HSM Art lens on a 50MP Canon 5Ds DSLR for architecture photography...
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Using Tilt/shift lenses and extension tubes for macro photography. How much can you move the focal plane by tilting a lens...
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Using a shift lens at 50mm - adding rise and fall to a standard focal length. Tilt/shift lens use at longer focal lengths. A Mamiya medium format lens used with a shift adapter...
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Venus Optics 15mm f2 E-mount lens is announced. The widest rectilinear f/2 native lens for Sony Full Frame E-mount cameras, Laowa 15mm f/2 FE Zero-D...
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Laowa announce a shift adapter that allows normal wide angle lenses to be used as shift lenses on Sony E mount cameras. 12mm f2.8 becomes 17mm f4 shift...
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Tamron announces its latest 24-70mm F2.8 lens, model SP 24-70mm F/2.8 Di VC USD G2 (Model A032) due August 2017. Nikon and Canon mounts. Full specs including MTF charts...
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