Kase Wolverine 100mm Reverse Grad R-GND 0.9
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Wex Photo VideoKase Wolverine 100mm RGND Filter Size 0.9
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£139.97
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Park CamerasKase Filters Kase Wolverine 100Mm Reverse Gnd Filter (3 Stops 2 Stops) Size 0.9 Kw100rgnd0.9
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Product Information
Full details
The Kase Wolverine 100mm Reverse Grad R-GND 0.9 filter is designed for landscape photographers, particularly those shooting sunrises and sunsets. Its primary benefit is balancing extremely bright horizons with darker foregrounds, preventing blown-out skies. A potential caveat is its specialized nature, making it less versatile for general landscape shooting compared to standard graduated ND filters.
All features
| Brand | Kase Filters |
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Extended Product Information
FAQs
What is a reverse graduated neutral density filter?
A reverse graduated neutral density filter has its strongest ND effect in the center and gradually fades to clear at the top. This design is specifically intended for scenes with the brightest light along the horizon, such as sunrises and sunsets.
How is this different from a standard graduated ND filter?
A standard graduated ND filter has its strongest ND effect at the top and fades to clear at the bottom. A reverse graduated filter has the transition concentrated near the middle, making it ideal for very bright horizons where the light intensity decreases as you move away from the horizon line.
What does '0.9' mean in the product title?
The '0.9' refers to the filter's optical density. In terms of f-stops, an ND 0.9 provides a 3-stop reduction in light.
Can I use this filter with any lens?
This filter is designed for 100mm filter systems. It can be used with most lenses that accommodate a 100mm holder, though extreme wide-angle lenses may require specific holder designs to avoid vignetting.
How do I clean the filter?
Gently wipe the filter with a clean microfiber lens cloth. For stubborn marks, use a lens cleaning solution applied to the cloth, not directly to the filter.
Does this filter affect the color of my image?
Kase Wolverine filters are known for their high optical quality and are designed to minimize color cast. However, like all filters, some minimal shift may occur, which can easily be corrected in post-processing.
When would I use a standard GND vs. a Reverse GND?
Use a standard GND for scenes where the sky is uniformly bright (e.g., a bright overcast sky). Use a reverse GND for scenes where the brightest light is concentrated at the horizon, like during sunrise or sunset.
Troubleshooting
Filter produces a color cast.
Ensure the filter is clean and free from smudges. Check that the filter is correctly seated in the holder. High-quality Kase filters are designed to minimize color cast.
Vignetting occurs in the image.
This can happen with very wide-angle lenses or when stacking multiple filters. Try using a slimmer holder system, or remove any unnecessary filters. Ensure the filter is not too close to the lens element if using an adapter with multiple filter slots.
Difficulty aligning the transition.
Practice sliding the filter holder up and down to find the perfect alignment with the horizon or brightest area. Use the camera's live view to assist with precise positioning.
Pros and Cons
Pros
- Effectively balances sky and foreground exposure during sunrise/sunset.
- Minimizes the need for extensive post-processing to recover shadow or highlight detail.
- High optical quality with minimal color fringing.
- Robust build quality for field use.
- Seamless integration with 100mm filter systems.
Cons
- Specialized use case, less effective for general landscapes.
- Requires careful alignment with the horizon.
- Can be more complex to use than a standard graduated ND filter.
- Potential for vignetting with very wide-angle lenses when stacked with other filters.
Setup, Compatibility & Care
Setup:
- Ensure you have a compatible 100mm filter holder system.
- Slide the Kase Wolverine Reverse Grad R-GND 0.9 filter into the desired slot in your holder. Typically, this will be the slot closest to the lens for maximum effect on the horizon.
- Adjust the filter holder up or down to align the transition line of the filter precisely with the horizon or the brightest part of your scene.
Compatibility:
- This filter is designed for 100mm wide filter holder systems.
- It is compatible with most wide-angle lenses when used with appropriate holder systems, though extreme wide-angles may require careful consideration to avoid vignetting, especially when stacking filters.
Care:
- Handle the filter with care to avoid fingerprints and scratches. Always hold by the edges.
- Clean the filter surface gently with a microfiber lens cloth. For stubborn smudges, use a lens cleaning solution sparingly on the cloth, never directly on the filter.
- Store the filter in a protective case when not in use.