PENTAX DA 645 25MM F4 AL(IF) SDM AW LENS
Webcode:
189PEN017
For Illustrative Purposes Only
Price: $4,999.99
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Product Highlights
:
- Ultra Wide-angle Lens
- Dustproof and Weather Sealed
- Super Direct-drive Motor
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PENTAX DA 645 25MM F4 AL(IF) SDM AW LENS
- Ultra Wide-angle Lens
- Dustproof and Weather Sealed
- Super Direct-drive Motor
- Quick-Shift system
- Aero-Bright and SP coatings
- For PENTAX 645D
- Dust-proof, weather-resistant construction for active outdoor photographers
- When mounted on the PENTAX 645D camera body, this ultra wide-angle lens offers a focal length of 19.5mm in the 35mm format, providing the widest perspective of all PENTAX 645
- interchangeable lenses
- Creating visual effects unique to ultra wide-angle lenses - such as exaggerated perspective and extra-wide depth of field - it can be effectively used for a wide range of subjects and situations, including spectacular landscapes and indoor shooting in confined spaces
- It assures greater freedom and flexibility in high-quality, medium-format digital SLR photography
- Optics:
- Two high-performance aspherical optical elements in its optics, this ultra-wide-angle lens provides exceptional image-resolving power with outstanding brightness levels even at the edges, while compensating various aberrations to a minimum
- All lens characteristics are optimized for digital photography: for instance, exclusive lens coatings are applied to optical elements, while anti-reflection materials are applied to the interior of the lens barrel
- The result is a lens that brings out the full potential of the PENTAX 645D medium-format digital SLR camera
- Aero Bright Coating:
- This lens is treated with PENTAX-original Aero Bright Coating, which assures an outstanding anti-reflection performance over a broader wavelength range to deliver images that are more brilliant and in higher quality than those produced by previous models
- With dvanced nanotechnology, this exclusive coating effectively reduces lens reflectance and greatly increases light transmittance by forming a silica aerogel layer with uniform pores on the surface of optical elements
- Dependable dustproof, weather-resistant construction:
- All Weather (AW) series; the lens features a highly dependable dustproof, weather-resistant construction with 11 special seals to effectively prevent the intrusion of dust and water into the lens interior
- By coupling this lens with the PENTAX 645D camera body, the user is assured of a durable, reliable digital imaging system that performs superbly in demanding outdoor settings - even in rain or mist, or at locations prone to water splashes or spray
- Mountable Circular Polarizing Filter:
- The lens features a built-in, pull-out-type filter holder in its barrel
- By placing the C-PL (circular polarizing) filter (40.5mm in diameter; included as an exclusive accessory) on this holder, the user can easily rotate the filter to obtain the desired polarizing effect
- Smooth, quiet SDM autofocus operation:
- Featuring an advanced SDM (Supersonic Direct-drive Motor) autofocus mechanism employing a supersonic motor installed inside the lens barrel, the lens assures smooth, quiet autofocus operation
- Other features:
- Image circle covering all of the image area of 645-format film SLR cameras
- High-quality machined aluminum parts, including the lens barrel, hood and cap
- Quick-Shift Focus system for instant switching to manual-focus operation, after the subject is captured in focus by the AF system
- Rounded diaphragm to produce a smooth, beautiful ?bokeh? (out-of-focus rendition), while minimizing the streaking effect of point light sources
- SP (Super Protect) coating applied to the front surface of the lens to effectively repel dust, water and grease
- SPECIFICATIONS:
- Focal Length: 25mm
- Equivalent to 35mm format: Equivalent to 19.5mm in 35mm format
- Maximum aperture: f/4
- Minimum aperture: f/32
- Number of Diaphragm Blades: 9; Fully Automatic diaphragm control
- Angle of View: 95°
- Construction: 12 Elements in 8 groups
- Focusing Range: 0.4m to infinity
- Smallest object: distance/magnification 189 mm (from the top of the attached hood)
- Magnification: Maximum 0.11x
- Filter Diameter: 40.5mm (unable to attach on the lens front part)
- Mount: 645 AF2
- Weight: 1040g / 37.7 oz.
- Lens cap: 50g / 1.08 oz.
- Dimensions (Length x Diameter): 90mm x 148.5mm / 3.5 inch x 5.7 inch
- Also In the Box:
- Lens Hood : Built-in (all-in-one type)
- Lens case S100-200
- Special metal front cover cap
- Rear lens cap
- 2 exclusive filters (Normal and C-PL)
- NORMAL is shipped under built into lens
- Special Features:
- Quick-Shift Focus System
- Aero Bright Coating
- SP (Super Protect) coating
- Rounded aperture (F4-F8)
- Dust proof, Water resistant (AW)
- AF is SDM only
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