the last word

LensRentals has loaned me a Hasselblad XCD 135mm f/2.8 lens for testing. I made some images with the XCD 135 to check the bokeh. All were made with the mechanical shutter. Specular highlight exhibits the leaf shutter artifact. The rest of the bokeh is edgy in places. More of same. Same effect in specular highlights. With… [Read More]

LensRentals has loaned me a Hasselblad XCD 135mm f/2.8 lens for testing. Today I tested for focus curvature, using Roger Cicala’s test method. I found a flat surface with some texture, set the lens to wide open, and got this image: In order to show the in-focus area, I brought the image into Photoshop, and selected… [Read More]

LensRentals has loaned me a Hasselblad XCD 135mm f/2.8 lens for testing. I tested the XCD 135/2.8’s out of focus (OOF) point spread functions (PSFs) by focusing the lens to minimum focus distance (MFD) and aiming it at a LED mini flashlight about 25 feet away. With mechanical shutter at three high shutter speeds:    … [Read More]

LensRentals has loaned me a Hasselblad XCD 55mm f/2.5 V lens for testing. The Hasselblad XCD 55V is a 55mm f/2.5 lens for the X1D and X2D (X-mount) cameras. It is one of the V-series X-mount lenses. The line currently consists of 25mm, 38mm, 55mm, and 90mm lenses. All have f/2.5 as their widest aperture. All… [Read More]