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ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit)

B&H # EXDFGKI Mfr # EXPOA02NT
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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 includes 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.

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
ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit)
  • Quick Start Guide
  • Sensor Format Reference Chart
  • Storage Pouch
  • REVIEW SNAPSHOT®

    by PowerReviews
    ExpoImagingExpoAperture2 Depth-of-Field Guide (2-Disc Kit)
     
    4.5

    (based on 22 reviews)

    Ratings Distribution

    • 5 Stars

       

      (14)

    • 4 Stars

       

      (5)

    • 3 Stars

       

      (2)

    • 2 Stars

       

      (1)

    • 1 Stars

       

      (0)

    95%

    of respondents would recommend this to a friend.

    Pros

    • Lightweight (18)
    • Easy to use (16)
    • Durable (13)
    • Reliable (11)

    Cons

      Best Uses

      • Portraits (12)
      • Landscape photography (11)
      • Travel (11)
      • Everyday (8)
      • Macro photography (8)
        • Reviewer Profile:
        • Enthusiast (14), Semi-professional (5)
        • Was this a gift?:
        • No (12)

      Most Liked Positive Review

       

      Interesting, Useful Tool

      This product performs four useful functions regarding depth of field and selective focusing: 1. Determines appropriate aperture and distance for desired DOF.
      2. Gives appropriate DOF for given aperture and...Read complete review

      This product performs four useful functions regarding depth of field and selective focusing: 1. Determines appropriate aperture and distance for desired DOF.
      2. Gives appropriate DOF for given aperture and distance.
      3. Gives accurate hyperfocal distance for all f/stops on any given lenes and focal factor (film or digital).
      4. Gives DOF for closeup photography.
      Great because it is easy to use once one gets the hang of it and a great learning tool, as it does as advertised in a general sense.
      Needs improvement regarding it's precision in measurement indications on the dial.

      VS

      Most Liked Negative Review

       

      Cost-effectiveness now very questionable

      Perhaps as an educational tool for being passed around a class or similar this is worth the high price - the physical presentation etc is decent enough. However, with smartphone ubiquity, I'd have...Read complete review

      Perhaps as an educational tool for being passed around a class or similar this is worth the high price - the physical presentation etc is decent enough. However, with smartphone ubiquity, I'd have to think 99% of people would be equally or better served with a free DOF calculator app, and if needing education, spending 5 minutes on dofmaster - including it's downloadable tables for most every lens you can even print/laminate for a fraction of the outlay of this.The physical limitations of the card mean you don't get the more exacting reference numbers easily available on the free smartphone apps, this product strikes me more as a 'days of yesteryear' relic with good intentions more than good value or good sense.

      Reviewed by 22 customers

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      2.0

      Cost-effectiveness now very questionable

      By SF Photo Enthusiast

      from San Francisco

      About Me Semi-Professional

      Verified Reviewer

      Pros

      • Durable
      • Educational Value
      • Lightweight

      Cons

      • Costly
      • Form Factor
      • Poor Design

      Best Uses

      • Everyday use
      • Home
      • Landscape Photography
      • Portraits
      • Studio
      • Traveling

      Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

      Perhaps as an educational tool for being passed around a class or similar this is worth the high price - the physical presentation etc is decent enough. However, with smartphone ubiquity, I'd have to think 99% of people would be equally or better served with a free DOF calculator app, and if needing education, spending 5 minutes on dofmaster - including it's downloadable tables for most every lens you can even print/laminate for a fraction of the outlay of this.The physical limitations of the card mean you don't get the more exacting reference numbers easily available on the free smartphone apps, this product strikes me more as a 'days of yesteryear' relic with good intentions more than good value or good sense.

      • Was this a gift?:
      • No

      Share this review

       
      5.0

      DOF Guide to the Rescue

      By Bill

      from Chicago

      About Me Semi-Professional

      See all my reviews

      Verified Buyer

      Pros

      • Easy To Use
      • Lightweight
      • Reliable

      Cons

        Best Uses

        • Landscape Photography
        • Traveling

        Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

        I like to plan my shots, especially if I know there will be time pressure on me to snap and run. Or maybe it's cold outside and I want to be quick to keep from freezing to death.
        These handy calcluators (normal and tele) are easy to use and provide a quick indicator of the DOF you can expect at a given f-stop, etc.
        For more exacting calculations I still rely on the Internet DOF calculators, but when the Internet's not handy, these always are.

        • Was this a gift?:
        • No

        Share this review

         
        5.0

        Very Helpful

        By Mike

        from Thompson, Ohio

        About Me Hobbyist/Enthusiast

        Verified Buyer

        Pros

        • Durable
        • Easy To Use
        • Lightweight
        • Reliable

        Cons

          Best Uses

          • Everyday use
          • Home
          • Landscape Photography
          • Macro Photography
          • Portraits
          • Studio
          • Traveling

          Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

          I am an amateur photographer still learning the ropes. This tool has been very helpful in a big way. Excellent product!

          • Was this a gift?:
          • No

          Share this review

           
          5.0

          A great sidekick

          By Bike guy

          from Eugene, Or

          About Me Hobbyist/Enthusiast

          Verified Buyer

          Pros

          • Easy To Use
          • Lightweight
          • Reliable

          Cons

            Best Uses

            • Everyday use
            • Portraits
            • Traveling

            Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

            Easy to understand and easy to use

            • Was this a gift?:
            • No

            Share this review

            (0 of 2 customers found this review helpful)

             
            5.0

            ExpoAperture2 Depth-of-Field Guide

            By Raj

            from Appleton

            About Me Hobbyist/Enthusiast

            Verified Buyer

            Pros

            • Easy To Use
            • Lightweight
            • Reliable

            Cons

              Best Uses

              • Everyday use
              • Home
              • Landscape Photography
              • Portraits

              Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

              I ordered ExpoAperture2 Depth-of-Field Guide (2-Disc Kit)from B&H and this is very useful to determine depth of field. I think this is like a guide for entry level photographers.

              • Was this a gift?:
              • No

              Share this review

              (1 of 1 customers found this review helpful)

               
              5.0

              Great tool

              By Tom W

              from Columbia, MD

              About Me Hobbyist/Enthusiast

              Verified Buyer

              Pros

              • Easy To Use
              • Lightweight
              • Reliable

              Cons

                Best Uses

                • Macro Photography

                Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                I very much enjoy taking photos of flowers. This depth of field guide takes the mystery out choosing the correct focal length and aperture. The instructions are simple to understand. What is there not to like? Nothing!

                • Was this a gift?:
                • No

                Share this review

                (2 of 2 customers found this review helpful)

                 
                5.0

                Thumbs up for the Depth-of-Field Guide

                By Dan

                from Cumming, GA

                About Me Hobbyist/Enthusiast

                Verified Buyer

                Pros

                • Durable
                • Easy To Use
                • Lightweight
                • Reliable

                Cons

                  Best Uses

                  • Landscape Photography

                  Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                  Purchase this depth of field guide if you are new to photography as a learning tool to better understand depth of field. Use it to become a better photographer too. The instructions are easy to understand if you just follow the steps. It is easy after just a few times. [...]

                  • Was this a gift?:
                  • No

                  Share this review

                  (1 of 1 customers found this review helpful)

                   
                  5.0

                  It produces what it promised

                  By Harry

                  from Burnsville, MN

                  About Me Hobbyist/Enthusiast

                  Verified Buyer

                  Pros

                  • Durable
                  • Easy To Use
                  • Lightweight
                  • Reliable

                  Cons

                    Best Uses

                    • Landscape Photography
                    • Traveling

                    Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                    It is easy to learn how to use and then operate these Depth Of Field Guides. The one caveat is you must be able to accurately judge distances to your focal point before you can use any Depth of field guide

                    • Was this a gift?:
                    • No

                    Share this review

                    (1 of 1 customers found this review helpful)

                     
                    5.0

                    Dept of Field guide

                    By love cats

                    from Santa Barbara

                    About Me Hobbyist/Enthusiast

                    Verified Buyer

                    Pros

                    • Accurate
                    • Durable
                    • Easy To Use
                    • Useful

                    Cons

                      Best Uses

                      • Macro Photography
                      • Portraits
                      • Studio

                      Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                      This a really neat gadget. When I saw it at first I was not sure how useful it would be but I have used it and it is very accurate in determining the depth of field for any distance and camera. No more guessing. I got the 2 disk set even though I only use one for the lenses I have but the price of the two was cheaper than getting just one. I keep the set in my camera bag at all times. I recommend this product.

                      • Was this a gift?:
                      • No

                      Share this review

                      (1 of 1 customers found this review helpful)

                       
                      5.0

                      Little Did I Know...

                      By flyfishnm

                      from Rio Rancho, NM

                      About Me Semi-Professional

                      Verified Buyer

                      Pros

                      • Durable
                      • Easy To Use
                      • Lightweight
                      • Reliable

                      Cons

                        Best Uses

                        • Landscape Photography
                        • Traveling

                        Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                        Depth-of-field has been somewhat of a mystery to a degree and this is an excellent tool to determined your depth of field for the lenses you are using. I use this primarily to study the Depth-of-fields for many scenarios to better prepare myself when I go out to the field to shoot.

                        • Was this a gift?:
                        • No

                        Share this review

                        (0 of 1 customers found this review helpful)

                         
                        5.0

                        Great Tool, Works for me

                        By Chris

                        from Denver

                        About Me Professional

                        Verified Buyer

                        Pros

                        • Durable
                        • Easy To Use
                        • Lightweight

                        Cons

                          Best Uses

                          • Everyday use

                          Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                          Yes there is only a quick get started guide, but if you understand the concepts of DOF it's all you need. It's small enough to easily carry anywhere, well built, easy to use.

                          • Was this a gift?:
                          • No

                          Share this review

                          (1 of 1 customers found this review helpful)

                           
                          3.0

                          Good, but I expected more.

                          By Landman

                          from Merlin, Oregon

                          About Me Hobbyist/Enthusiast

                          Verified Buyer

                          Pros

                          • Durable
                          • Lightweight
                          • Reliable

                          Cons

                            Best Uses

                            • Landscape Photography
                            • Portraits

                            Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                            A little cumbersome to use, and would like to see area in front of and behind focus point, and info on DOF at micro distances. Still useful, and a good product.

                            • Was this a gift?:
                            • No

                            Share this review

                            (2 of 2 customers found this review helpful)

                             
                            5.0

                            Excellent Training Tool

                            By T Tom

                            from Elk River, MN

                            About Me Hobbyist/Enthusiast

                            Verified Buyer

                            Pros

                            • Durable
                            • Easy To Use
                            • Reliable

                            Cons

                            • None

                            Best Uses

                            • Landscape Photography
                            • Macro Photography
                            • Portraits
                            • Traveling

                            Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                            Very simple to use tool to calculate Depth of Field. Within 5 minutes able to use the disc to calculate required aperature across variety of desired focal distances and ranges.

                            Share this review

                            (1 of 1 customers found this review helpful)

                             
                            4.0

                            ExpoAperture2 Depth-of-Field Guide (2-Di

                            By Tommy Telephone

                            from Spring, Texas

                            About Me Semi-Professional

                            Verified Buyer

                            Pros

                              Cons

                                Best Uses

                                • Landscape Photography
                                • Portraits
                                • Traveling

                                Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                                Only takes seconds to decide depth of field that best suits photo composition. If you have a moment to decipher your best composition you cant't go wrong with this product. Only con would be once you set the wheel you must grasp firmly with thumb and index finger or you will lose your setting; however, that's not so bad once you get used to it.

                                Share this review

                                (2 of 2 customers found this review helpful)

                                 
                                3.0

                                Instructional CD-ROM no longer included

                                By DB

                                from SC

                                Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                                I received the product today and discovered that there was no instructional CD-ROM included, even though the "quickstart guide" refers to the "included cd." I called the company and was informed that they no longer include the disc. Instead the information can be found at their website.

                                Share this review

                                (2 of 2 customers found this review helpful)

                                 
                                5.0

                                Simple to use depth of field guide

                                By Jason

                                from Golden British Columbia Canada

                                About Me Hobbyist/Enthusiast

                                Verified Buyer

                                Pros

                                • Durable
                                • Easy To Use
                                • Lightweight

                                Cons

                                  Best Uses

                                  • Landscape Photography
                                  • Macro Photography

                                  Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                                  I bought these to help me learn about depth of field, and have found this product easy to use. You have to measure the distance semi accurately which is the only downfall. But if you take the time to be half accurate, or over estimate the distance these will work for you. Much easier to understand than trying to decipher a depth of field table.

                                  Share this review

                                  (3 of 3 customers found this review helpful)

                                   
                                  4.0

                                  Nice tool .. well worth the money.

                                  By Ghostinz

                                  from Denver, CO

                                  About Me Hobbyist/Enthusiast

                                  Verified Buyer

                                  Pros

                                  • Lightweight
                                  • Reliable
                                  • Small size is compact

                                  Cons

                                    Best Uses

                                    • Everyday use

                                    Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                                    this is a great tool for learning and also for having a quick DOF reference. I like the size of the disk as they are small enough to put into my camera bag. I recommend the two disk set as it covers a broader range.

                                    Share this review

                                    (0 of 1 customers found this review helpful)

                                     
                                    4.0

                                    Great Teaching Tool

                                    By Ken the kayaker

                                    from Fenwick Isl., DE

                                    About Me Hobbyist/Enthusiast

                                    Verified Buyer

                                    Pros

                                    • Easy To Use
                                    • Lightweight
                                    • Versatile

                                    Cons

                                      Best Uses

                                      • Macro Photography
                                      • Studio

                                      Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                                      I mostly shoot wildlife. My use of this is as a tool to teach with. I also use it to better prepare myself in anticipation of a shot.

                                      Share this review

                                      (1 of 1 customers found this review helpful)

                                       
                                      4.0

                                      Great product

                                      By Dave

                                      from Everett WA

                                      About Me Semi-Professional

                                      Verified Buyer

                                      Pros

                                      • Durable
                                      • Easy To Use
                                      • Lightweight

                                      Cons

                                        Best Uses

                                        • Portraits
                                        • Sporting Events
                                        • Studio

                                        Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                                        great for getting the DOF right the first time. with out the trial error

                                        Share this review

                                        (1 of 2 customers found this review helpful)

                                         
                                        5.0

                                        Works great

                                        By Max

                                        from Kennewick, WA

                                        About Me Hobbyist/Enthusiast

                                        Verified Buyer

                                        Pros

                                        • Durable
                                        • Easy To Use
                                        • Lightweight

                                        Cons

                                          Best Uses

                                          • Portraits
                                          • Traveling

                                          Comments about ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit):

                                          Easy to use; includes excellent instructions.

                                          Share this review

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