聚焦系统
| 对角线视角（最大） |
39 ° |
| 对角线视角（最小） |
39 ° |
| 最大焦距（35mm胶片当量） |
61 mm |
| 最近聚焦距离 |
0.4 m |
| 光阑叶片数量 |
9 |
| 固定焦距 |
40 mm |
| 最大光圈 |
22 |
| 组件应用 |
SLR |
| 最小光圈 |
2.8 |
HD PENTAX DA 40mm F2.8 Limited, black
This unique pancake-style standard lens with a 40mm focal length is offered with exclusive optical characteristics and a very high luminous intensity. Measuring just over a half inch in length and weighing just 3.17 ounces, find exceptional sharpness and image quality in this incredibly compact lens. Remain ‘the fly on the wall,’ and go unnoticed on your photo ventures, as this low-profile-style lens is ideal for reporting, travel and casual everyday snapshots. Its high-grade aluminum construction provides the utmost durability and elegant design, now further enhanced with treatments of both SP (Super Protect) and the PENATX-original High-grade multi-layer HD (High Definition) coating, and is available in both black and silver models.
- Measuring just over a half inch in length and weighing just 3.17 ounces, this ultra-thin pancake design offers a pocket-able lens with exceptional sharpness and image quality.
- High-grade HD coating assures higher light transmittance and lower reflectance than conventional multi-layer coatings. Sharper, clear images free of flare and ghosting, even under adverse lighting conditions and backlight.
- Upgraded with a round diaphragm at a wide aperture for optimal optic performance and gorgeous bokeh effects.
- Uniquely crafted lens barrel, lens hood and cap with a stand-out shape, made from high-grade aluminum, available in both a classic black and a striking silver.
- With a focal length of 40mm, equivalent to 60mm in the 35mm format, enjoy this standard prime lens for travel, storytelling as well as casual every day photography.
- The newly added PENTAX-original SP (Super Protect) coating repels dust, water and grease to keep your lens clean and your image quality at its peak.
- The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
- Developed specifically for PENTAX digital SLR cameras.
