In the world of photography, creating depth and capturing the beauty of different focal planes is a fascinating endeavor. One technique that can help you achieve this is the use of split field diopters. These powerful tools have been utilized by renowned filmmakers and photographers to bring a new level of depth to their images and films.

A split field diopter is a half convex glass filter that attaches to the main lens of a camera. It "splits" the focus in half, allowing for both foreground and background subjects to be in sharp focus simultaneously. This technique creates a large depth of field and opens up endless creative possibilities.

Traditionally, split diopters were expensive and challenging to use. However, with advancements in technology, handheld options like the CinePacks Split Filter have made them more accessible to photographers and filmmakers of all levels. With this portable tool, you can easily experiment with different split strengths and achieve stunning depth effects in your photography projects.

In this article, we will delve into the world of split field diopters. We will explore what they are, how they work, and how you can use them to enhance the depth in your photography projects. Discover the creative possibilities and unlock a new level of depth perception in your images.

• Split field diopters are powerful tools for enhancing depth in photography.
• They allow for both foreground and background subjects to be in focus simultaneously.
• The CinePacks Split Filter offers handheld options that make split diopters more accessible.
• By experimenting with different split strengths, you can achieve unique and captivating depth effects.
• Embrace the world of split field diopters and elevate your photography to new heights.

What Is a Split Diopter?

A split diopter is a technical tool used by filmmakers and photographers to create deep focus in their images. The split diopter is a half convex glass filter that attaches to the main lens of a camera and "splits" the focus in half. This innovative tool allows for areas of the foreground, middle ground, and background to be in focus simultaneously, resulting in a large depth of field.

Split diopters have been popularized in classic cinema and utilized by renowned directors like Brian De Palma and Martin Scorsese. With recent advancements in technology, split diopters have become more affordable and accessible for various projects.

By incorporating a split diopter into your photography arsenal, you can elevate the depth in your images and add a unique visual dimension to your work.

Using a Split Diopter for Your Projects

When incorporating a split diopter, such as the CinePacks Split Filter, into your photography projects, you have the opportunity to explore a wide range of creative possibilities and effects. The CinePacks Split Filter offers three different split strengths: Split 1, Split 2, and Split 3.

• Split 1: Provides a subtle blur, making it suitable for longer lenses.
• Split 2: Is versatile and offers the popular ghost blur effect, working with most focal lengths.
• Split 3: Is best for bold and highly stylized looks that require heavily distorted visuals.

These different split strengths cater to varying creative preferences and allow you to achieve the desired depth effects in your photography projects. Whether you're looking for a subtle blur, a ghostly effect, or a highly stylized look, the CinePacks Split Filter provides the flexibility to meet your artistic vision.

Mounting a Split Diopter Filter

To keep your focus consistent when using a split diopter filter like the CinePacks Split Filter, you have the option of mounting it directly to your camera cage or rig. CinePacks offers an 11-inch mounting arm that is the perfect length for attaching the filter to any camera. By attaching the mount to the bottom of a mirrorless or DSLR camera or to any of the ¼ 20” mounting points on a camera cage for cinema cameras, you can create steady split focus and deep focus shots. This mounting option provides stability and precision in capturing your desired depth effects.

When mounting your split diopter filter, it's essential to ensure it is securely attached to your camera. This will help prevent any accidental shifts or movements that could impact the desired depth effects in your images.

Mounting Steps:

1. First, identify the appropriate mounting point on your camera cage or rig. This could be a ¼ 20” hole or any other compatible mounting point.
2. Once you have determined the mounting point, attach the 11-inch mounting arm provided by CinePacks to your camera.
3. Gently and securely attach the split diopter filter to the end of the mounting arm.
4. Ensure that the filter is aligned properly with the lens to achieve the desired depth effects.
5. Tighten any necessary screws or fasteners to lock the mounting arm and filter in place securely.

By following these mounting steps, you can confidently use your split diopter filter and capture stunning images with enhanced depth and focus.

Get Creative and Go Handheld

One of the advantages of using a handheld split diopter like the CinePacks Split Filter is the flexibility it offers for creative cinematography. With its easy-to-hold finger loop handle, you can explore different angles and positions to create unique deep focus splits in your shots.

The split filter can be placed directly in the middle of the frame, off to a side, or at any desired degree to achieve the desired depth effect. By moving or twirling the split filter around the lens while recording, you can create mesmerizing bokeh effects and other creative visuals that are difficult to reproduce with post-production tools or effects.

Pricing and Availability

The CinePacks Split Filter is available for purchase at a reasonable price. The Split Filter is priced at $59 each, allowing you to choose the desired split strength. Alternatively, you can opt for the Triple Split Filter Kit, which includes all three split filter strengths and the 11" Mounting Arm, priced at $129. The 11" Mounting Arm can also be purchased separately for $22.

CinePacks is currently offering a special discount of 15% off split filters for No Film School readers with promo code "NOFILMSCHOOL15" at checkout. Take advantage of this offer and unleash your creativity with split field diopters.

Cinematographer Stephen H. Burum's Use of Split-Field Diopters

Split-field diopters have played a significant role in the cinematic masterpieces of acclaimed cinematographer Stephen H. Burum. Burum's creative prowess in utilizing split-field diopters, particularly the split-focus variety, has made him a legend in the realm of cinematography. He has skillfully employed these diopters to achieve multiple planes of sharp focus, resulting in breathtaking visual effects in his shots.

In films such as Hoffa, The Untouchables, Carlito's Way, and Snake Eyes, Burum's innovative use of split-field diopters has captivated audiences and critics alike. His mastery of this technique has earned him recognition and nominations for prestigious awards, including the Academy Awards.

One notable example of Burum's brilliance is evident in the film Hoffa. In a scene that demanded simultaneous focus on three actors, Burum used split-field diopters to perfection. The split-focus arrangement allowed him to keep one actor on the stage in clear focus while maintaining sharp focus on two other actors positioned on opposite ends of the frame. This remarkable feat showcased Burum's unparalleled creativity and technical expertise.

The mesmerizing effects achieved through the use of split-field diopters in Burum's films demonstrate the immense artistic potential of this cinematographic tool. By manipulating the focal planes, Burum brought depth and dimension to his shots, creating a visual experience that resonates with viewers long after the credits roll.

Different Types of Split-Field Diopters

Split-field diopters come in various shapes and sizes, offering versatility in achieving different effects. Let's explore the most common types:

1. Half Split: This type of split-field diopter has one half of the filter frame open, while the other half is a close-up adapter. It allows you to capture sharp focus on a particular subject while creating a soft-focus effect on the other half of the frame.
2. Strip Diopters: Strip diopters are available in both horizontal and vertical configurations. They allow for finer positioning of the close-up effect within the frame. You can use them to selectively highlight certain areas or objects, adding depth and visual interest to your images.
3. Slot Diopters: Also known as Letterbox diopters, slot diopters have a small slot cut into them, covering most of the frame while creating a distinct focal plane. They can be used to create unique compositions by isolating specific elements within the shot, drawing the viewer's attention to them.

These different types of split-field diopters provide filmmakers and photographers with options to experiment and create unique visuals. Whether you want to add a subtle soft-focus effect, highlight specific subjects, or create intriguing compositions, there's a split-field diopter to suit your creative vision.

Note: Image above is for illustrative purposes only and may not represent the exact split-field diopters mentioned in this section.

Using Split-Field Diopters for Creative Effects

While split-field diopters are often used to place close objects in focus, they can also be used to introduce large areas of soft focus and create artistic effects. By strategically positioning split-field diopters and manipulating their focal planes, cinematographers and photographers can achieve multiple planes of sharp focus within a single image. This allows for the exploration of different creative effects and the enhancement of depth perception in photographs. The use of split-field diopters adds a unique visual dimension to storytelling and can help photographers and filmmakers convey their artistic vision.

When it comes to creative effects, split-field diopters offer endless possibilities. Here are some ways you can use them to enhance your photography:

• Create surreal and dreamlike images by placing the main subject in sharp focus while the background is softly blurred.
• Highlight specific elements within a scene by selectively focusing on them and blurring the rest.
• Add depth and dimension to close-up shots, making them visually striking and captivating.
• Experiment with different compositions and perspectives to create unique and compelling visuals.

With split-field diopters, you have the power to transform ordinary scenes into extraordinary works of art. Whether you're capturing portraits, landscapes, or still life, these tools allow you to push the boundaries of creativity and create images that truly stand out.

Understanding Depth of Field with Split-Field Diopters

When it comes to split-field diopters, it's important to grasp the concept of depth of field. These optical tools do not alter the overall depth of field of a shot; instead, they create a second distinct plane of focus with its own depth of field. The laws of optical physics still apply to both focal planes — the clean one and the altered one by the diopter. Essentially, this means that the overall depth of field remains the same, but there are now two separate areas within the shot that are in focus.

Understanding this concept is crucial when working with split-field diopters. By accurately capturing the desired depth effects, you can elevate the visual impact of your photography and cinematography projects.

Tips for Working with Split-Field Diopters

When working with split-field diopters, there are a few tips to keep in mind. These tips will help you achieve the best results and avoid common issues that can affect the quality of your images.

1. Minimize Stray Light: The exposed glass edge of a split-field diopter is susceptible to catching stray light, which can result in unwanted flares or highlights in the image. To minimize this, use matte boxes and hard mattes to block stray light from entering the lens and affecting your shots.
2. Consider Focus Measurement: When measuring focus with a split-field diopter, it is important to consider the distance between the camera and the subject. The entrance pupil of the lens, magnified by the diopter, should be used as the reference point for focus measurements. By measuring focus from this point, you can ensure accurate and consistent focus throughout your shots.
3. Double-Check with High-Resolution Monitors: To ensure that you have achieved the desired depth effects with split-field diopters, it is recommended to test and double-check focus using high-resolution monitors. These monitors will allow you to closely examine the details and depth perception in your images, helping you make any necessary adjustments before finalizing your shots.

By following these tips, you can work with split-field diopters more effectively and produce stunning images with enhanced depth and focus.

Conclusion

Split field diopters are a valuable tool for enhancing depth in photography and cinematography. With their ability to create deep focus and multiple planes of sharp focus, they offer a unique visual experience that can take your images to new heights. Thanks to advancements in technology, split field diopters have become more accessible and affordable, allowing photographers and filmmakers of all levels to explore new creative techniques.

Whether you choose to use a handheld split filter like the CinePacks Split Filter or experiment with different types of split-field diopters, these tools provide endless possibilities for capturing captivating images with enhanced depth perception. By incorporating split field diopters into your photography, you can create stunning visuals that draw your viewers into the scene, adding a sense of dimension and immersion to your work.

Embrace the world of split field diopters and unlock the potential of enhancing depth in your photography projects. Discover the creative possibilities that these tools offer and elevate your images to a whole new level of artistry. With split field diopters, you have the power to capture not only what is in front of the lens, but also the depth and beauty that lies within your subjects.