ExpoDisc 2.0 ExpoAperture2 Depth-of-Field Guide (2-Disc Kit - Metric)

BH #EXDFGKM • MFR #EXPOA02NTM
ExpoDisc 2.0
ExpoDisc 2.0 ExpoAperture2 Depth-of-Field Guide (2-Disc Kit - Metric)
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$39.95
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ExpoDisc 2.0 ExpoAperture2 Overview

Depth-of-field (DOF) is more than a button on the front of a camera; it is a complex mathematical system that interweaves focal length, focusing distance, and aperture. Many modern SLR/DSLR lenses no longer have complete or accurate DOF markings. So to aid photographers, this ExpoImaging ExpoAperture² Depth-of-Field Guide gives shooters a full scale that can effectively be read with a single glance.

To use the guide, one needs to select the sensor/film size—anywhere from a 2x digital crop factor to 6x6 cm film—then a focal length ranging from 15mm to 135mm. The scale will compensate for the varying film/sensor sizes in relation to the selected aperture. When the parameters are chosen, the guide returns a range of apertures and the corresponding areas that will be rendered in focus for each f-stop.

The ExpoAperture² is compact, and easily finds its home in just about any camera bag or pocket. This ExpoAperture² also includes a CD-ROM with an instruction manual, a printed quick-start guide, a storage pouch and a sensor/film format reference chart.

This version of the ExpoAperture² is a two disc kit that includes a standard guide for 15-135mm lenses, and a second disc for telephoto focal lengths from 70-600mm. All measurements are in metric units.

Assert better creative control over depth-of-field
Quickly determine aperture setting, depth of field result, or hyperfocal distance
Develop an intuitive understanding of depth-of-field relationships with continued use
Fast and easy to use
Compensates for a wide variety of sensor formats and film sizes
UPC: 751751001203

ExpoDisc 2.0 ExpoAperture2 Specs

Packaging Info
Package Weight0.25 lb
Box Dimensions (LxWxH)9.5 x 5.25 x 0.2"
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question

Can this calculate for a .79 sensor crop, in other words, a medium format sensor?
Asked by: Brian
Thanks VERY much. If you know of something else that would work I'd love to hear about it.
Answered by: Brian M.
Date published: 2018-08-27
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