J C Brown's albums

18 albums

Test chart with calibration scale scale for assessing camera resolution in black and six colours

Comparison of Test chart images - FZ20 & FZ50

The effect of Noise Reduction setting and increasing ISO on the resolution of an FZ50.

Std & Fine Quality FZ50 JPEGs and JPEG versions of RAW images obtained using the default settings of SILKYPIX and RawTherapee

Optical Image Stabilisation

FZ50 Images taken with Extra Optical and Digital Zoom

A set of test images of a picture of a bird made from feathers. To allow assessment of the effect of ISO and NR settings on image quality these tripod mounted FZ50 JPEG images were recorded using NR settings of Low, Std and High at ISO values from 100 to 1600.

Crops from Fine Quality JPEGS Noise Reduction Low ISO 100-1600

FZ50 Tests on effect of Saturation and Sharpness settings on 100,200 and 400 ISO Fine JPEG images.

FZ50 Resolution at 420 mm F/4 without TC and with Nikon TC-E17ED

DPReview Resolution Tests

Images of colour resolution test chart taken with an FZ50 to compare the definition and CA of Nikon TC-E17ED and Panasonic LT-55 TCs

Drawings to illustrate principle of Afocal teleconverters

Test images taken to assess the effectiveness of the FZ50 OIS system with and without a TC and the effect of having the OIS off and in mode 2 when on a tripod.

Central crops from images of a colour resolution test chart which were recorded from a distance of about 1.1 metres with a focal length of 34 mm, apertures from F/3.7 to F/8 and ISO values from 100 to 1600 and at 100 ISO from a distance of about 14.2 metres with a focal length of 480 mm and apertures of F/6.4, F/7.1 and F/8.

Test shots taken with an FZ50 to compare the resolution and image quality of crops from Fine Quality JPEGs and RAW images taken at a range of ISO settings and processed using Silkypix Pro 5 for Panasonics with default settings and with RawTherapee