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ExpoImaging ExpoAperture2 Depth-of-Field Guide - Educator Size (Imperial)
- Price: $139.95
- GBP 89.35
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Usually ships in 7-14 days
Availability Details
CloseThis is a special order item. Est. arrival at B&H is 7-14 days (subject to availability). Your order will be charged at the time of shipment.
International orders*
For international orders, credit cards will be charged at time you place your order.
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, and a sensor/film format reference chart. Additionally, this version is for teachers and other photo educators who want an oversized scale that is visible to the entire class. The diameter is 21 1/4" and the distance scale is measured in imperial.
- 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
- CD-ROM Instructional Manual
- Quick Start Guide
- Sensor Format Reference Chart
- 1 Year Warranty
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