Digitalisierung ZSM

1. Photography Hardware 1.1 Digital Camera Pentax K-5 with effective resolution: 16,28 million pixel 1.2 Lenses 1.2.1: Pentax DA L 18-55 mm f /3.5-5.6 AL for middle-sized objects (10–150 cm) 1.2.2: Pentax smc DA 35 mm f /2.8 Macro Limited Edition 1:1 for small objects (1-10 cm) 1.3: Additional Accessories: 1.3.1: Remote Control Waterproof O-RC1 1.3.2: AC adapter kit K-AC50 1.3.3: HDMI-Cable for live view and play back of images via the mini HDMI terminal on the Pentax K-5 1.3.4: HP ZR2240w monitor to use the output option of the camera on a HDMI-compatible AV device 2. Camera copy stand 2.1: Re-used & converted Leica REPROVIT IIa 3. Lighting 3.1: 4 Helios Biglamp 501 Maxi with diffusor screens 3.2: 2 additional swan-neck lamps for illumination of macro objects 4. Calibration scales • x-rite colorchecker in 2 sizes • length scale (2 sizes: 0–2 cm, 0–10 cm) 5. Digitization workstation - computer hardware and Software • Business Laptop, Windows 7 Pro • Intel Core i5-2430M CPU @ 2.40 GHz • 8 GB RAM • Image memory: 32 GB SanDisc ExtremePro 95MB/s • Photoshop • DiversityCollection Database 6. Digitalizing workflow • alcohol specimens are photographed “dry” or submerged in ethanol in small glass containers mainly in lateral view with scales and colour standard • modern labels are either fully or partially (accession number only) depicted • images are saved on memory card as jpeg files with ~5 MB, using an object code as a file name • Data transfer to stationary computer • Selection of best photos and saving in original format • File names are renamed according to respective specimen accession numbers • file-transfer to DWB and archiving using external hard disc • Specimen data inserted via DiversityCollection Client to DC-database • Specimen imaging takes one picture takes between 2 and 5 minutes. The whole procedure including data transfer, renaming and local archiving takes roughly 10 minutes.

This page gives the status in 2014