This page is still under construction, the definitions will be added on the next web update. If you have terms you would like added then please send your requests to stevenball@stevenball.co.uk

 

A for Auto

Absorption

Aperture Priority

AF – Auto focus

Air Embolism

Alternate Air Source

Ambient Light

Angle of View

Anoxia

Aperture

Apparent distance

ASA

Auto Focus

Backscatter

Base Plate

Beam Angle

Bracket

BSAC – British Sub Aqua Club

Buoyancy

Carbon Monoxide Poisoning

Centre Weighted Metering

Charles Law

Close Focus (Macro)

Close Up Lenses

Contrast

Daltons Law

DCI – Decompression Illness

Depth of Field

Diffuser

DIN

Dioptre

Dome Port

Double Exposure

Effect f Stops

Embolism

Enriched Air (EAN) see nitrox

Exposure

Exposure Compensation

Exposure Latitude

Exposure Mode

Exposure Table

Extension Tubes

Fast Films

Fill in Lighting

Film Speed

Filters

Fish Eye Lens

Focal Length

Format

Fractional f-stop

Frame

Framer (field frame)

f- stops

Grain

Guide number

Hot shoe

Hypoxia

Hypercapina

Interchangeable lens

ISO

Latitude

LED

Lens speed

Linking controls

Low- speed film

Macro lens

Master flash (Master strobe)

Matrix flash fill

Matrix metering

Modelling light (aiming light)

Motor drive

‘M’ setting

Multimode (camera)

Multiple exposure photography

Negative space

Neutral density filter

Nitrox

Normal lens

O ring

PADI – Professional Association of Diving Instructors

Panning

Parallax

Port

Programme mode

Recycle time

Refraction

Relative f- stops

Reproduction ratio

Resolution

Selective metering

Shutter priority

Slave flash

Snell’s Window

Stepless shutter speeds

Stop

Stopping down

Sync- cord

Sychronisation speed

Slow film

TTL

Wide angle lens

Zoom lens