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Expoimaging D.O.F 15-135mm Guide

SKU: 751751001029  MFR:EXPOA02N
 Contact us at 877.374.6869
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$29.99

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Item Description

Features:

  • Assert better creative control over depth-of-field
  • Develops 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
  • Includes printed QuickStart Guide, CD-ROM containing full manual, storage pouch, sand sensor format reference chart
  • Master depth-of-field with the ExpoAperture2 Depth-of-Field Guide, a unique tool which instantly shows you the relationships between focal length, focus distance, aperture and resulting depth-of-field.  The ExpoAperture2 Guide empowers photographers to take control over depth-of-field and to apply selective focus effectively in their photography.

    A photographer using the ExpoAperture2 Depth-of-Field Guide simply selects the camera’s sensor or film size and desired focal length for a given shot.  The Guide quickly provides the resulting depth-of-field for a given aperture, or, alternatively, determines the aperture necessary to achieve a desired depth-of-field.

    One of the primary benefits of owning a DSLR camera is the control the photographer gains over the relative depth-of-field (what will be in focus) for any given shot.  In contrast, digital point and shoot cameras utilize sensors so small, with correspondingly short focal length lenses, that there is very little opportunity to exercise any depth of field control because literally everything is in focus.

     As a concept, depth-of-field is poorly understood by many beginning and amateur photographers. Even for those more experienced photographers who do understand the relationships between aperture size, lens focal length and subject distance, calculating the best aperture to achieve a desired result often amounts to little more than guesswork, and frequently results in overcompensation and wasted shutter speed.

    The ExpoAperture2 Depth-of-Field Guide is designed so that beginning and experienced photographers alike can quickly compare the relative variables (aperture, lens focal length and subject distance) to determine which combination works best for their chosen shot.  In this way, the Guide enables photographers to exercise better creative control over their cameras and images.  

    Teaching depth-of-field concepts has traditionally been one of the most difficult jobs for photographic educators.  The ExpoAperture2 Depth-of-Field Guide makes educators' jobs easier by offering beginning photographers a hands-on, visual learning experience that can be used to provide real solutions to common photographic dilemmas.  The Guide represents a unique teaching tool that can demonstrate depth-of-field relationships in an intuitive, visual way easily grasped by students.

    As a tool for everyday use, the ExpoAperture2 Depth-of-Field Guide can easily fit into a shirt pocket or camera bag for convenient access when needed.  The  Depth-of-Field Guide is printed front and back on three durable, circular plastic discs that rotate against one another, effectively functioning as a compact mechanical calculator.

    The ExpoAperture2 Depth-of-Field Guide also compensates for your camera's digital sensor format or film size.  An included reference chart provides the conversion factors necessary to use the Guide with nearly any camera, regardless of sensor size or film format.

    The Standard ExpoAperture2 Depth-of-Field Guide easily accommodates lens focal lengths from 15mm to 135mm, and can be used to calculate distances from 12 inches to infinity, enabling the use of the Guide at distances ranging from macro to landscape.

    The ExpoAperture2 Depth-of-Field Guide is also available as a Full Focal Range 2 Disc Kit.  The Standard version of the Guide covers 15 to 135mm, and the Telephoto version covers 70 to 600mm, giving photographers increased flexibility in making depth-of-field calculations using a wider variety of lenses.  The ExpoAperture2 Depth-of-Guide 2 Disc Kit is also available in Metric units.

    The ExpoAperture2 Depth-of-Field Guide includes a CD-ROM containing an Instructional Manual, a printed Quick Start Guide, a storage pouch, and a sensor format reference chart.

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