Fujifilm 15341277 Datasheet download pdf (Page 2)

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FUJIFILM PRODUCT INFORMATION BULLETIN • FUJICHROME Velvia 100F Professional

[

RVP100F

]

Subject Conditions

High Color Temperature:

Cloudy weather landscapes or

portraits in open shade in clear

weather.

Low Color Temperature:

Morning and evening twilight

scenes and portraits.

Filter

No.81A*

(LBA-2)***

No.82A* or

No.82C* (LBB-2

or LBB-4)***

Exposure

Correction

+1/3

stop****

+1/3 to

+2/3

stop****

* Wratten Filter

** Fuji Sharp-cut Filter

*** Fuji Light Balancing Filter (not available in certain markets.)

**** A “+” followed by a number indicates the required increase in

lens opening.

Electronic Flash

• Electronic flash produces light similar to daylight, so

filters are not needed. However, the possibility of un-

desirable effects on color balance, due to various

factors (differences in equipment, use duration, etc.)

should be taken into consideration. Test exposures

are recommended.

• The use of a flash meter is advisable, but the follow-

ing formula can also be used to obtain a satisfactory

lens opening.

• Set the film speed at ISO 100. Since the amount of

light reflected onto the subject from surrounding sur-

faces will differ with the conditions, refer to the flash

unit instructions.

Daylight Photoflood / Photo-Reflector Lamps

• Daylight-type photoflood or photo-reflector lamp out-

put may be lower than that indicated by an exposure

meter, so it is advisable to compensate for this by in-

creasing exposure time or lens opening. Whenever

possible, test exposures are recommended.

• Other factors requiring consideration when determin-

ing the exposure time are lamp configuration, use

duration and line voltage, as they may affect lamp

output and color balance

Fluorescent Lamps

• The use of the following combinations of color com-

pensating filters is advisable when photographing

under fluorescent lighting.

• For exacting work, however, test exposures are rec-

ommended because lamp brand and age may affect

light output and color balance.

Electronic Flash Guide Number (at ISO 100)

Electronic Flash-to-Subject Distance (meters or feet)

Lens

Aperture

(F-number)

• A UV filter No. 2C* (SC-39 or SC-40)** or other ap-

propriate ultraviolet absorbing filter is recommended

for scenes that are shone upon by strong ultraviolet

light, such as seaside locations, snow scenes, and

bright distant views.

• Excessively high or low color temperatures may re-

quire the following filters and exposure corrections.

Fluorescent

Lamp Type

Color

Compensat-

ing Filters*

Exposure

Corrections**

White

(W)

10B+5M

+1/2 stop

Daylight

(D)

25R

+1 stop

Cool White

(CW)

15M+5B

+2/3 stop

Warm White

(WW)

No. 80C+10M

+1 stop

* Wratten Color Compensating Filters or Fuji Color Compensating

Filters are recommended.

NOTE: No. 80C is a Wratten Color Conversion Filter.

** Exposure correction values when using a filter relative to unfil-

tered exposure results. A “+” followed by a number indicates the

required increase in lens opening.

NOTES

• Use a shutter speed slower than 1/30 second.

• For shutter speeds of 2 minutes or more, exposure adjustments

will be necessary to compensate for reciprocity law failure.

Tungsten Lamps

• A Wratten Filter No.80A (or Fuji Light Balancing Filter

LBB-12) is required when using 3200K tungsten light-

ing. A 1

-stop larger lens opening is also required.

• If household tungsten lighting (room lamps, etc.)

constitutes the main source of illumination, in addi-

tion to the above filter a Wratten Filter No.82A (or Fuji

Light Balancing Filter LBB-2) is required, plus an ap-

erture increase of 1/3 stop (total 2 stops).

Mixed Light Sources

Under mixed light conditions, the basic filter configura-

tion should suit the main light source. In the case of

cameras with TTL metering, there is no need for addi-

tional exposure compensation for any CC filter(s) used.

5. LONG AND MULTIPLE EXPOSURE

COMPENSATION

No exposure correction or color balance compensation

is required for exposures within a shutter speed range of

1/4000 second to 1 minute. However, for exposures of 2

minutes or longer, ‘reciprocity law failure’-related color

balance and exposure compensations are required.

(Exposure time: 1/2 sec.)

Exposure Time

Color Compen-

sating Filter

Exposure

Corrections*

1/4000 sec. – 1 min.

None

2 min.

2.5B

+ 1/3

stop

4 min.

2.5B

+ 1/2

stop

8 min.

2.5B

+ 2/3

stop

* Exposure correction values when using a filter relative to unfiltered

exposure results. A “+” followed by a number indicates the re-

quired increase in the lens opening.

Multiple Exposures

No exposure correction or color balance compensation

is required for up to four consecutive multiple exposures

using an electronic flash. In the case of eight consecu-

tive multiple exposures, a 2.5G color compensating filter

is required with a 1/3- stop larger lens opening.

NOTE Exposure correction values given above for long and

multiple exposures are for a reversal film with an aver-

age emulsion when processed under standard pro-

cessing conditions. Therefore, use the data only as a

guide. For exacting work, test exposures are recom-

mended under actual shooting conditions.

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Fujifilm 15341277 Datasheet Page 2

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