Kodak ISBN 0-87985-749-8 manual Plus-X Double-X Tri-X

Page 52

 

Filter Factors* for KODAK Motion Picture Films

 

 

Negative Films

Reversal Films

 

Filter

PLUS-X

DOUBLE-X

PLUS-X

TRI-X

 

No. 3

1.5

1.5

1.5

1.5

 

No. 8 (K2)

2.0

1.5

2.0

2.0

 

No. 12

2.5

2.0

2.0

2.0

 

(Minus Blue)

 

 

 

 

 

 

No. 15 (G)

3.0

3.0

2.5

2.5

 

No. 21

3.5

3.0

3.0

3.0

 

No. 23A

5

5

5

5

 

No. 8N5

5

5

6

6

 

No. 25

8

8

10

10

 

No. 29

25

20

40

40

 

No. 96

8

8

8

8

 

*All filters absorb part of the incident radiation, so their use usually requires some increase in exposure over that required when no filter is used. The number of times by which an exposure must be increased for a given filter with a given mate- rial is called the filter factor, or multiplying factor.

Filter factors published for Kodak products by Kodak are intended only as approximate guides. Published filter factors apply strictly to the particular light- ing conditions used in the laboratory where the factors were determined. For scientific applications, especially, the quality of light can vary widely so that it may be desir- able to determine the filter factor for actual working conditions.

To determine a filter factor, choose a subject having a neutral-gray area, or place an 18-percent gray card or a photographic gray scale in the scene to be photographed. Make one exposure without a filter. Then, with the filter where it will be for the exposure, and beginning with the unfiltered exposure setting, make a series of exposures. Increase each in 1⁄2-stop increments through a 2- to 4-stop greater exposure (very dense filters may need more). After processing the negative, match densities of the unfiltered exposure with the filter series either visually or with a densitometer. Choose the filtered exposure that is closest to the unfiltered. Some additional exposure adjustments may be necessary.

2

Page 51 Page 53
Image 52
Page 51 Page 53
Contents Cinematographer’s Field Guide Cinematographer’s Field Guide Seventh Edition, November Contents Introduction Need Another H-2? Page Kodak Motion Picture Camera Films Color Temperature Page Kodak Motion Picture Camera Films MPF-5 50D 5245/7245 100T 5248/7248 Process ECN-2Vision 200T 5274/7274 200T 5293/7293 SFX 200T SFX Vision 250D 5246/7246 Illumination Incident Light Table for DaylightVision 320T 5277/7277 Handling Total darknessVision 500T 5279/7279 500T 5298 Vision 800T 5289/7289 Ektachrome 100D 5285 7240 16 mm, Super 8 Eastman Ektachrome Film Tungsten EI 125 7240 7239 35 mm/16 mm Eastman Ektachrome Film Daylight EI 160 7239 MPF-32 9/98 7250 MPF-34 9/98 7251 5231/7231 35 mm/16 mm Eastman PLUS-X Negative Film 5231/7231 5222/7222 35 mm/16 mm Eastman DOUBLE-X Negative Film Daylight- 250 25 Tungsten- 2005222/7222 7276 16 mm, Super 8 Eastman PLUS-X Reversal Film 7276 7278 16 mm, super 8 Eastman TRI-X Reversal Film Daylight- 200* 24 Tungsten- 1607278 Incident-Light Illumination in footcandles DaylightTypes of Filters IntroductionFilters for Black-and-White Films PLUS-X DOUBLE-X TRI-X Color Compensating Filters Conversion Filters for Color Films Kodak Light Balancing Filters Exposure To ObtainNeutral Density Filters Kodak Wratten Neutral Density Filters NoDaylight Page Tips and Techniques Aspect Ratios10 9/00 Ambient-Background Radiation effects on raw stock Protection from Physical DamageUnprocessed Film Before and After Exposure Processed Film StorageShooting for Television Getting Ready Ditty BagCamera Accessories ToolsCamera Operator’s Meter Case Exposed Film -What Now? Flashing Camera Films to Lower ContrastFinal Thought About Laboratories Page Perforation Types Winding DesignationsMm and 65 mm End Use Quantities -Standard Packages Mm End UseOrdering RAW Stock Product and Technical Information United States of America International ArgentinaAustralia AustriaChile ColombiaCzech Republic DenmarkFinland FranceGermany GreeceIran IrelandIsrael ItalyLuxemborg MalaysiaMexico NetherlandsPeru PhilippinesPoland PortugalSpain SwedenSwitzerland TaiwanUruguay United StatesVenezuela CAT 141

ISBN 0-87985-749-8 specifications

Kodak, a name synonymous with photography, has undergone a tremendous evolution over its long history. The company is not just a pioneer in film and printing technologies but has also embraced the digital age with significant innovations.

One of the prominent features of Kodak’s evolution is its dedication to imaging science, which has remained at the core of its business strategy. Kodak has developed a wide range of film types, including color negative film, color positive film, and black-and-white film, which cater to different photography needs. Each film type comes with unique characteristics designed to optimize image quality, color reproduction, and contrast.

Kodak’s commitment to innovation is evident in its development of digital technologies. The company was an early adopter of digital imaging techniques, launching its first digital camera in the early 1990s. This transition to digital photography focused on making the process more accessible for consumers while maintaining the quality and detail that Kodak is known for. The use of image sensors, such as CCD and CMOS, has allowed Kodak to capture high-resolution images that are rich in detail and color fidelity.

One of the standout technologies associated with Kodak is its printing technology, particularly the dye-sublimation printers. This technique produces high-quality prints by transferring dye onto materials like paper or plastic. Kodak’s printers are known for their rapid print speeds and excellent color reproduction, making them popular for both personal and professional use.

Additionally, Kodak has also made significant strides in the realm of image editing software and applications, which complement its hardware offerings. Programs like Kodak EasyShare and Kodak Gallery have allowed users to edit, organize, and share their photos seamlessly, further enhancing the user experience.

Another important characteristic of Kodak is its steadfast commitment to sustainability. The company has initiated various programs aimed at reducing environmental impact by promoting recycling and energy-efficient practices in its manufacturing processes.

In summary, Kodak’s legacy is a blend of heritage and innovation. From traditional film to cutting-edge digital imaging and sustainable practices, Kodak continues to hold a prominent place in the world of photography. Its technologies and products are a testament to its ability to adapt to changing times while remaining grounded in its core values of quality and consumer accessibility.
Top Page Image Contents