Louise Frost

Louise uses some highly spe­cialised kit in her job record­ing foren­sic ev­i­dence

NPhoto - - Pro Picks -

1 Nikon D7100 kit

(£970, $1400)

What’s it for? Avon and Somerset Con­stab­u­lary re­cently up­graded its Crime Scene In­ves­ti­ga­tor cam­era kits from the D200 to the D7100. They’re lighter and more com­pact, plus we now have the abil­ity to record HD video of a scene.

Plus points The greater ISO range and VR in the 18105mm f/3.5-5.6 kit lens has given us im­proved re­sults in low-light con­di­tions.

Mi­nus marks We miss hav­ing a solid screen pro­tec­tor fit­ted.

Nikon D300s kIT (UV Mod­i­fied)


£2524, $4280

What’s it for? Re­flec­tive ul­travi­o­let imag­ing is used to show de­tail in pho­tos of in­juries like bruis­ing and bite marks, as the UV light can pen­e­trate deeper into the skin. It’s of­ten used along with the Metz flash in post-mortem ex­am­i­na­tions.

Plus points It’s a UVded­i­cated kit, which makes it sim­ple to set up and use.

Mi­nus marks The light source must be very close to the sub­ject, so only small ar­eas can be cov­ered.

3 Metz CT76 MZ -5 UV

(£750, $1260)

What’s it for? This flash has been mod­i­fied to fire through a UV fil­ter, and teams up with the UV D-SLR for in­jury im­ages. The Stroboframe holds the flash in­verted, as close to the sub­ject as pos­si­ble.

Plus points The Metz has a pow­er­ful out­put, which is needed to get light through the dense UV fil­ters.

Mi­nus marks The il­lu­mi­na­tion range is very short, so you must be close to the sub­ject and you get fall-off around the edges.

Nikon AF -S 60mm f/2.8 Macro


(£370, $500)

What’s it for? Fin­ger marks that we can’t re­cover with lift­ing meth­ods or en­hance with pow­ders need to be pho­tographed and scaled, and this lens gives us sharp im­ages with good ridge de­tail.

Plus points It is also use­ful for close-up im­ages of in­juries, jew­ellery, tool marks and so on.

Mi­nus marks The usual macro woes: shal­low depth of field, and get­ting good light­ing in the right places.

Manfrotto 303SPH QTVR head


(£390, $630)

What’s it for? Cap­tur­ing 360-de­gree im­ages of a crime scene to cre­ate vir­tual tours for in­ves­ti­ga­tors and for court pre­sen­ta­tions.

Plus points Easy to change the ro­ta­tion clicks from 4, 6, 8 etc. It can be cal­i­brated to find the nodal point of your lens.

Mi­nus marks The bracket creeps into the frame when us­ing the Sigma 8mm f/3.5 Fish­eye. It can be tricky to lock move­ments when do­ing nadir (floor) shots.

Avon and Somerset Con­stab­u­lary’s

web­site is at www.avo­nand somerset.po­lice.uk

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