User manual for Hoya 25mm Introductory Filter Kit GIK25GB
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- Manufacturer: Hoya
- Basic description and contents of package
- Product classification: Photography - Filters - Filter Kits
- Safety instructions
- Startup and operation of the filter kits
- Tips for setting up your Hoya
- Settings and expert assistance
- Contact Hoya service
- Warranty information
- Price: 20 USD
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User manual for the Hoya 25mm Introductory Filter Kit GIK25GB
The user manual for the Hoya 25mm Introductory Filter Kit GIK25GB provides
necessary instructions for the proper use of the product Photography - Filters - Filter Kits.
The Hoya 25mm Introductory Filter Kit includes a 25mm UV Filter, a 25mm Circular Polarizer Filter, and a 25mm 81A Color Conversion Filter. Each filter in this kit fits a lens with 25mm front filter threads and can provide one of three of the most widely applied enhancements to your imagery. Additionally, these filters are constructed from optical glass within an aluminum-alloy frame, which protect the front element of a lens from scratches, bumps, or impacts. A filter pouch that can accommodate all three filters is included for storage and transport.
The Hoya 25mm UV Filter is a general use, clear filter designed to absorb ultraviolet light and reduce the bluish cast of daylight. Aside from the reduction of unwanted blue casts, no additional coloration or contrast is created, and adjustments to exposure are not required while using this filter. To prevent internal ghosting and reflections while providing approximately 96% light transmission, each glass surface includes one layer of anti-reflection coating.
This UV filter is also useful as a general protective filter to leave on lenses at all times. Such filters help to reduce dust and moisture from reaching your front lens element and provide additional protection in case of drops or situations where scratching could occur.
The Hoya 25mm Circular Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.
A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.
This circular polarizer filter is uncoated and has approximately 96% average light transmission.
The Hoya 25mm 81A Color Conversion Filter can be applied to create a warm cast over an entire image. This effect can be obtained under daylight when this filter is used on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected. This filter's overall coloration corresponds to an ability to reduce 3400K color temperatures to 3200K, which reflects a mired shift value of +18 that can be applied to other starting color temperatures as well. The greater the color temperatures they can potentially reduce to 3200K, light balancing or color conversion filters are considered to be progressively stronger in their effect when used to add warmth to a daylight image.
If you own a Hoya filter kits and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the Hoya 25mm Introductory Filter Kit GIK25GB in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
Additional parameters of the Hoya 25mm Introductory Filter Kit GIK25GB:
| Type || UV Filter: UV/Haze |
Circular Polarizing Filter: Circular Polarizer
81A Color Conversion Filter: Color Conversion/Correction Filter
| Size || UV Filter: 25 mm |
Circular Polarizing Filter:25 mm
81A Color Conversion Filter:25 mm
| Filter Factor || UV Filter: 1 (0 stop) |
Circular Polarizing Filter: 3 to 4 (1.6 to 2 stops)
81A Color Conversion Filter: 1.4 (0.5 stop)
| Multi-Coated || UV Filter: No |
Circular Polarizing Filter: No
81A Color Conversion Filter: No
| Effect || UV Filter: Absorbs UV rays and reduces bluish cast from daylight |
Circular Polarizing Filter: Eliminates reflections and haze and improves color and tonal saturation
81A Color Conversion Filter: Adds warmth to entire image when used under daylight on a film camera system with daylight film installed, or on a digital camera system with its daylight white balance setting selected
| Construction || Optical glass |
| Front Filter Thread Size || 25 mm |
| Front Lens Cap Size || 25 mm |
| Package Weight || 0.45 lb |
| Box Dimensions (LxWxH) || 9.4 x 4.5 x 1.4" |
The user manual for the Hoya 25mm Introductory Filter Kit GIK25GB can be downloaded in .pdf
format if it did not come with your new filter kits, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other Hoya users keep a unique electronic library
for Hoya filter kitss,
where you can use our link to download the user manual for the Hoya 25mm Introductory Filter Kit GIK25GB.
The user manual lists all of the functions of the Hoya 25mm Introductory Filter Kit GIK25GB,
all the basic and advanced features and tells you how to use the filter kits.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from Hoya service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the Hoya 25mm Introductory Filter Kit GIK25GB. User manuals are also
available on the Hoya website under Photography - Filters - Filter Kits.
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