8 December 2010

Looking west from Hidcote: on film and on digital

Hidcote Manor | slide film | 2

Above, Minolta Dynax 7 and 28-80mm AF zoom at 60mm on Boots 200 colour slide film

Below, Sony A100 and Minolta AF 70-210mm zoom at 160mm (240mm equivalent)



19 March 2010

Geo-tagging DSLR photographs using an Apple iPhone 3G S GPS data stream

Whytham Woods walk

^Google Maps satellite view of the course of an afternoon walk; downloaded from ImageMapper after recording the GPS data using their iPhone app.

This post summarises a method on Windows PCs for geo-tagging pictures from an ordinary DSLR (in this instance a Sony alpha 100) with data recorded from an iPhone’s GPS unit.

Software tools required are

The basic method is summarised here on Flickr: GPS tracks can be created with InstaMapper and their data synchronised with photographs using GeoSetter (which in turn utilises Exiftool to modify individual photographs’ Exif data).

Some care is needed to get the right data associated with the pictures – GPS files can be exported in GPX format and saved for convenience in the same folder as the source photographs. For RAW files (in Sony’s case, ARW files) are not modified directly but rather a sidecar XMP file is created with the EXIF modifications. Creation and modifications to these files are detected in Lightroom 3 beta (and, I assume, earlier versions), but the GPS data is not picked up in Picasa, a tool I use occasionally for organising files. Exports from Lightroom 3 to Flickr did contain the new Exif data.

Map data for the following pictures can be viewed by clicking on them and exploring the relevant page on Flickr.

Wytham tree 1

Oxford view 2

One of the advantages of GeoSetter is that it uses Exiftool to modify a picture’s Exif data. It can also be used to create new Exif data even when a source picture has none (e.g. a scan of a film photograph).

Oxford from Wytham Woods

^ Fuji Pro 800Z | Minolta Dynax 700si

26 February 2010

Down House in the landscape

Down House landscape

Down House

The Sandwalk

The Sandwalk


Down House is the home of Charles Darwin and well worth a visit to see the place where the great man worked. It’s set in a lovely corner of Kent on the south-east edge of London.

15 February 2010

Clumps of trees at and near the Wittenham Clumps

Lone trees

^ To the east

Round Hill | Wittenham Clumps

^ Round Hill

Castle Hill | Wittenham Clumps

^ Castle Hill

Minolta X-700 | Vivitar 28-210mm 1:3.5-5.6 macro zoom | Fujichrome C200 film

13 February 2010

Look north | Oxfordshire from the Wittenham Clumps | Minolta X-700

One of the best hill-top views in Oxfordshire: the River Thames snakes through the landscape

The view north 1

The view north 4

The view north 3

Minolta X-700 | Vivitar 28-210mm 1:3.5-5.6 macro zoom | Fujicolor C200 film

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