Kodak AS-2569 ユーザーズマニュアル

©Eastman Kodak Company, 2005

KODAK AEROCHROME III MS Film 2427 is a very 
fine-grain, medium-speed color-reversal aerial camera film.  
This film has excellent color rendition and good image 
quality.

It has an ESTAR Base with a clear gel backing.  The 

ESTAR Base has good optical qualities and provides 
flexibility, moisture resistance, high tear resistance, and 
excellent dimensional stability.

This film can be processed in Process AR-5 using 

KODAK EA-5 Chemicals in modern, continuous-processing 
machines such as the KODAK Aerial Color Processor, 
Model 1611 or the KODAK EKTACHROME RT Processor, 
Model 1811.  It can also be processed in rewind equipment 
such as the Gordon/Morse rewind equipment.

KODAK AEROCHROME III MS Film 2427 is intended for 
low- to medium-altitude mapping and reconnaissance 
applications.  It provides positive color transparencies 
suitable for projection, direct viewing, or making color 
prints.

3.9-mil (0.10 mm) ESTAR Base with a clear gel backing.

The nominal total thickness (unprocessed) of this film is 
5.44 mils (0.14 mm).  This includes emulsion—1.04 mil 
(0.03 mm), base—3.9 mils (0.10 mm), and backing—
0.50 mil (0.013 mm).

The weight of AEROCHROME III MS Film 2427 
(unprocessed), conditioned in equilibrium with 50 percent 
relative humidity, is 0.038 lbs/sq ft (0.0172 kg/sq ft).

This multilayer, color-reversal film is balanced for daylight 
exposure.

Total darkness is required.

Aerial Film Speeds (EAFS or ISO A equivalent) should not 
be confused with conventional film speeds, which are 
designed for roll and sheet films used in pictorial 
photography.  The characteristics of aerial scenes differ 
markedly from those of ordinary pictorial or ground scenes 
because of the smaller range in subject luminance, 
atmospheric haze conditions, and other factors.  Therefore, 
different film-speed characteristics are used to relate 
aerial-scene characteristics to practical exposure 
recommendations.

The KODAK Aerial Exposure Computer, KODAK 

Publication AS-10, has been published based on the aerial 
film speed criterion.

Note: The Aerial Film Speed given in this publication is 
rounded to the nearest cube root of 2 step (equivalent to 1

⁄

3 

stop).

No color-correction filters are used with this film, although a 
haze filter, such as a KODAK WRATTEN Filter HF-3 or 
No. 2B may be necessary for reducing the effects of 
atmospheric haze.

A typical exposure for this film is approximately 1

⁄

500 

second at f

⁄

4.7.  This exposure is based on a solar altitude of 

40 degrees, a clear day, and an aircraft altitude of 5000 feet.

When using an aerial camera equipped with an 

antivignetting filter, or other filter, it is important to increase 
this typical exposure by the filter factor of the filter used.

The following data are based on processing in KODAK EA-5 
Chemicals, Process AR-5.

*

Granularity values read at a net green diffuse density of 1.0 with a 

48-micrometre aperture.

Nominal speed, daylight (no filter):   EAFS or ISO A  32
(based on development in KODAK EA-5 Chemicals)

80

100

13