User Manual for Sigma APO 300mm f 2.8 EX DG Lens for Pentax K Click to enlarge the picture
Contents of the user manual for the Sigma APO 300mm f 2.8 EX
- Product category: Uncategorized Sigma
- Brand: Sigma
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Sigma Uncategorized
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User manual for the Sigma APO 300mm f 2.8 EX contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Sigma product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Sigma user manual in which you will find instructions on how to install, use, maintain and service your product.
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Product description Combining reach and speed, the Pentax K-mount Sigma APO 300mm f/2.8 EX DG is a super-telephoto prime also characterized by its advanced optical and physical design. Its fast f/2.8 maximum aperture aids in isolating subjects using depth of field and also supports working in low-light conditions. Designated an apochromat, this lens uses a pair of extra-low dispersion elements to effectively eliminate color fringing and chromatic aberrations for high clarity and color accuracy throughout the aperture range. A multi-layer coating has also been applied to lens elements to control flare and ghosting for improved contrast and clarity.
Benefitting the optical attributes is an internal focus system, which provides quick autofocus performance with full-time manual focus override. The physical design also incorporates a fixed, rotating tripod collar for easy attachment to a tripod or monopod, and a drop-in filter slot permits working with rear 46mm filters, such as the included circular polarizer filter. - Super telephoto prime is designed for full-frame Pentax K-mount cameras, however can also be used with APS-C models where it provides a 450mm equivalent focal length.
- Impressively bright f/2.8 maximum aperture suits working in available light conditions and also affords increased control over depth of field.
- Apochromatic optical design utilizes two extra-low dispersion elements to significantly reduce color fringing and chromatic aberrations for increased clarity and color fidelity.
- Multi-layer coating has been applied to individual elements to minimize flare and ghosting for improved contrast and color accuracy when working in strong lighting conditions.
- Internal focusing design realizes quick autofocus performance as well as maintains the overall length of the lens during use.
- Nine-blade diaphragm contributes to a pleasing bokeh quality.
- A removable, rotating tripod collar offers well-balanced support for photographing atop a tripod or monopod with either vertical or horizontal shooting orientations.
- Rear drop-in 46mm filters can be used and a circular polarizer filter is included for reducing reflections and increasing contrast and saturation.
- Compatible with optional APO 1.4x EX DG and APO 2x EX DG teleconverters.
In the Box Sigma APO 300mm f/2.8 EX DG Lens for Pentax K Rear Cap LCR II for Pentax K Mount Lenses usqexbseudfurwddrwszewavwvbuxxvet Lens Hood for 300mm f/2.8 EX APO Digital HSM Lens A00090 Rear Filter Holder for Select Sigma Lenses A00530 46mm Rear Circular Polarizing Filter TS-21 Replacement Tripod Collar for Select Sigma Telephoto Lenses Lens Case Limited 1-Year Warranty Limited 3-Year U.S.A. Warranty Extension Table of Contents
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Technical parameters | Focal Length | 300mm | | Maximum Aperture | f/2.8 | | Minimum Aperture | f/32 | | Lens Mount | Pentax K | | Format Compatibility | Full-Frame | | Angle of View | 8.2
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