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ExpoImaging Guia de Profundidade de Campo ExpoAperture2 (Kit de 2 Discos)

  • Preço: $39.95
  • B&H # EXDFGKI
  • Fab# EXPOA02NT

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DOF (Depth-of-field) é mais do que um botão na parte frontal de uma câmera; é um sistema matemático complexo que combina distância focal, distância de focagem e abertura. Muitas lentes modernas SLR/DSLR não possuem mais marcações DOF completas ou precisas. Para ajudar os fotógrafos, esse Guia ExpoImaging ExpoAperture² Depth-of-Field oferece aos usuários uma escala completa, que pode ser lida de forma eficiente em um piscar de olhos.

Para usar o guia, é necessário selecionar o tamanho do sensor/filme - desde um fator de corte digital de 2x até filme de 6x6cm - e, então, uma distância focal que varia entre 15mm e 135mm. A escala compensa os tamanhos variáveis de filme/sensor em relação à abertura selecionada. Quando os parâmetros são escolhidos, o guia retorna uma faixa de aberturas e as áreas correspondentes que serão renderizadas em foco para cada f-stop.

O ExpoAperture² é compacto e cabe facilmente em qualquer bolsa de câmera ou bolso. Esse ExpoAperture² inclui um guia impresso para início rápido, uma bolsa de armazenamento e uma tabela de referência de formato de sensor/filme.

Essa versão do ExpoAperture² é um kit de dois discos que inclui um guia padrão para lentes de 15-135mm e um segundo disco para distâncias focais telefoto de 70-600mm.

Tenha mais controle criativo sobre a profundidade de campo
Determine a configuração de abertura, resultado de profundidade de campo ou distância hiperfocal rapidamente
Desenvolva relações de entendimento intuitivo de profundidade de campo com uso contínuo
Rápido e fácil de usar
Compensa para uma ampla variedade de formatos de sensor e tamanhos de filme

REVIEW SNAPSHOT®

by PowerReviews
ExpoImaging ExpoAperture2 Depth-of-Field Guide (2-Disc Kit)
 
4.4

(based on 16 reviews)

Ratings Distribution

  • 5 Stars

     

    (9)

  • 4 Stars

     

    (5)

  • 3 Stars

     

    (2)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Lightweight (12)
  • Durable (11)
  • Easy to use (11)
  • Reliable (6)

Cons

    Best Uses

    • Portraits (8)
    • Landscape photography (7)
    • Travel (7)
    • Macro photography (6)
    • Studio (5)
      • Reviewer Profile:
      • Enthusiast (10), Semi-professional (3)
      • Was this a gift?:
      • No (6)

    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 distance...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

     

    Good, but I expected more.

    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.

    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.

    REVIEWS

    Reviewed by 16 customers

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    Displaying reviews 1-16

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    (1 of 1 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

                (1 of 1 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

                 
                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

                    (1 of 1 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

                      (2 of 2 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

                         
                        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

                           
                          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

                            (0 of 1 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

                              (1 of 1 customers found this review helpful)

                               
                              5.0

                              Quality helpful product

                              By Dan

                              from Boston, ma

                              About Me Getting Started

                              Verified Buyer

                              Pros

                              • Durable
                              • Easy To Use
                              • Lightweight

                              Cons

                                Best Uses

                                • Everyday use
                                • Home
                                • Macro Photography
                                • Portraits
                                • Sporting Events
                                • Studio
                                • Traveling

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

                                I am new to photography, and this is a very helpful tool. Quality discs wont get damaged or wear out easily. Comes with a clear plastic sleeve for each disc, quick reference, and full instructions on CD-Rom

                                Share this review

                                (4 of 4 customers found this review helpful)

                                 
                                4.0

                                Interesting, Useful Tool

                                By Don Chalfy

                                from Sarasota, FL

                                About Me Hobbyist/Enthusiast

                                Verified Reviewer

                                Pros

                                • Does its job
                                • Improves Product Function
                                • Lightweight

                                Cons

                                • Difficult To Use
                                • Precision needs improved

                                Best Uses

                                • Everyday use
                                • Home
                                • Macro Photography
                                • Portraits
                                • Sporting Events
                                • Studio
                                • Traveling

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

                                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.

                                Share this review

                                Displaying reviews 1-16

                                Back to top

                                ExpoImaging Guia de Profundidade de Campo ExpoAperture2 (Kit de 2 Discos)
                                • Guia para início rápido (em inglês)
                                • Tabela de Referência de Formato de Sensor
                                • Bolsa de armazenamento
                                 
                                 
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