User Manual - Snap Studios

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8 Light Metering & Exposure Control ■ Three metering methods ■ Five exposure methods ■ Extremely accurate light metering The light metering system is capable of selective sensitivity producing three reflective metering methods: Average, Centre weighted and Spot. All methods are measured in increments of 1/12 EV. Information transfer is rapid and automatic ensuring consistently correct exposure settings even in difficult and changeable lighting situations. Light measurement is made through the lens (TTL) by the AE viewfinder and exposure is controlled manually or automatically by the control wheels and/or settings. The information is visible on both the grip LCD and the viewfinder LCD. A great deal of control is available ranging from 100% manual through to sophisticated fully automatic by way of the various exposure methods: <strong>Manual</strong>, Aperture priority, Shutter priority, Program and Program variable. 44
Average (45 x 37 mm) ≈ 70% Centre weighted (23 x 20 mm) ≈ 20% Spot (diameter 7.5mm) ≈ 2% Light metering and exposure control Two primary factors have to be considered when making exposure control choice, namely, metering method and exposure method: Metering method determines in which manner the light measurement is made and how much of the image is taken into account( Average, Centre Weighted and Spot). Exposure method involves the parameters and deciding factors about how the light measurement is translated into aperture and shutter speeds. Here the choice is about the camera controls and their effect on the result or suitability for the subject. Included in this choice is the type of automation too (<strong>Manual</strong> for 100% user control, Aperture priority, Program, etc for automated control). Some methods and modes are much more suited to various situations and applications than others, while some depend to a greater degree on personal preference and ways of working. A discussion of the points to consider in this context is beyond the scope of this manual. If you are not sure about choice, please check in other general photographic literature for a fuller explanation. Also check our website occasionally – www.hasselblad.com – for articles and discussions concerning such matters. Remember that exposure configurations are only applicable to the speed of the film in use. Ensure you have the correct setting on the film magazine! Since the light measuring system is TTL, filter factors, lens extension / extension ring factors, etc, are automatically taken into account for average purposes. However, some combinations of methods and equipment can cause slight discrepancies for various reasons and therefore for critical work you should make alternative exposures to suit personal preference. Exposures are displayed on the grip LCD to within 1, 1/2 and 1/3 EV tolerances (dependent on setting). This means that ‘half-stops’ are shown in a form that can differ from more traditional displays. For example, the position between f/ 8 and f/11 is displayed as f9.5 and likewise the position between 1/30s and 1/60s is displayed as 45. Therefore a display showing ‘f 9.5 45’ simply means ‘f/9.5 at 1/45 second’. The appearance of an ‘s’ after the shutter speed signifies whole seconds so, for example, ‘45s’ on the display signifies an exposure time of 45 seconds, not 1/45. Metering method There are three metering methods available. All three are reflective methods (measuring the light reflected off various selected parts of the subject according to method) and are through the lens (TTL). These have the following designations (with their respective LCD symbols): — Average — Centre weighted — Spot Average: Commonly used for ‘average’ light situations where there is no particular dominance of light or dark areas across the tonal range. Takes into account approximately 70% of the image seen in the viewfinder. Centre weighted: Emphasises the central section of the focusing screen equivalent to approximately 20% of the image. This provides a balanced assessment and is a typical choice where the main subject is in the centre of the image. Spot: The sensitive area is equivalent to approximately 2% of the image area (the central spot on the viewfinder screen). Any parts of the image outside of this area will not affect the exposure reading. This provides a very accurate measurement of specific tones.Typically used in the zone system and similar light measuring situations where maximum control is required. Also excellent for tonal comparison measurements. The spot mode can display ‘zones’ instead of EVs in the viewfinder LCD( see Camera Options). 45
Page 1 and 2: 1 User Manual (Manual (V1/English)
Page 3 and 4: Congratulations! Welcome to the fla
Page 5 and 6: What’s in the box Your new Hassel
Page 7 and 8: 1 Quick Start This section is a qui
Page 9 and 10: 13 14 15 16 17 18 19 20 21 22 B A 2
Page 11 and 12: 33 35 34 36 11 33. From the inactiv
Page 13 and 14: 2 Function Control & Display ■ LC
Page 15 and 16: Grip LCD Typical camera grip displa
Page 17 and 18: Viewfinder LCD Typical viewfinder d
Page 19 and 20: A B C D E I F G H Shutter release b
Page 21 and 22: P Q R There are also two control bu
Page 23 and 24: 1 3 5 7 1 2 2 4 6 8 23 Carrying str
Page 25 and 26: 9 10 25 • Long-term storage of ba
Page 27 and 28: 4 Viewfinder ■ Multi-mode light m
Page 29 and 30: 5 Lenses ■ Rapid and accurate aut
Page 31 and 32: 10 11 12 7 8 9 Lens focus setting t
Page 33 and 34: 6 Film Magazines ■ Automatic 120/
Page 35 and 36: G H I K L J 35 a time-out of five s
Page 37 and 38: A B 1 2 3 4 5 Film speed Film lengt
Page 39 and 40: 1 2 4 3 5 1 1 2 2 39 Film loading T
Page 41 and 42: 41 Hasselblad provides a number of
Page 43: Approval Architecture (IAA), an enh
Page 47 and 48: 4 1 EXP 2 3 47 A ‘+ 0.3’ abo
Page 49 and 50: 1 3 5 A B +/- 2 4 49 Alternativ
Page 51 and 52: Power The camera can be set at two
Page 53 and 54: 1 AF 2 3 53 Continuous At Contin
Page 55 and 56: 1 2 3 4 5 ON.OFF (PROFILES/
Page 57 and 58: 10 Advanced Features ■ Programmab
Page 59 and 60: There are a number of more advanced
Page 61 and 62: 2 Bracketing 61 Bracketing options
Page 63 and 64: 1 2 3 4 5 6 Number of exposures hig
Page 65 and 66: Standby timeout 1 • 5s • 10s
Page 67 and 68: AE lock / Quick adjust 22 • Exp r
Page 69 and 70: 1 2 5 6 7 3 4 69 Image
Page 71 and 72: 2 4 5 AF Sel. 1 2 3 4 5 6 7 3
Page 73 and 74: 1 3 5 7 2 4 6 73 4.4 Syst
Page 75 and 76: The H2 can be used together with mo
Page 77 and 78: 1 3 5 FLASH AE-L 2 4 6 77 Sepa
Page 79 and 80: There are a number of optional acce
Page 81 and 82: Glossary of Terms For the sake of c
Page 83 and 84: True exposure Shutter position Open
Page 85 and 86: Technical specifications Camera Typ
Page 87 and 88: External dimensions approx. 155 mm
Page 89 and 90: Problems, Equipment Care, Service &
Page 91: Victor Hasselblad AB Box 220, SE -

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