 | |
| Maker | Pentax |
|---|---|
| Technical data | |
| Type | Prime |
| Focal length | 40mm |
| Focal length (35mm equiv.) | 60mm |
| Crop factor | 1.5 |
| Aperture (max/min) | f/2.8 / f/22 |
| Close focus distance | 15.7 inches (0.40 m) |
| Max. magnification | 0.13x |
| Diaphragm blades | 9 |
| Construction | 5 elements in 4 groups |
| Features | |
| Manual focus override |  Yes |
| Unique features | Pancake lens |
| Application | Normal lens |
| Physical | |
| Max. length | 0.6 inches (15 mm) |
| Diameter | 2.5 inches (64 mm) |
| Weight | 3.2 oz (91 g) |
| Filter diameter | 49mm (30.5mm on hood) |
| Accessories | |
| Lens hood | MH-RC 49mm |
| Case | DA 40mm Lens Soft Case |
| Angle of view | |
| Diagonal | 39° |
| History | |
| Introduction | 2004 |
| Retail info | |
| MSRP | $499.95 USD |
DA 40mm f/2.8 Limited
The smc Pentax-DA 40mm f/2.8 Limited is a pancake lens for the Pentax K-mount. At only 0.6 inches (15 mm) long, it was the smallest lens made by Pentax until the 40mm XS lens was introduced. The lens has a 35mm equivalent focal length of 60mm; it is part of the Limited series of high-performance compact lenses. In August 2013 it was re-released with improved lens coatings and rounded aperture blades as HD Pentax-DA 40mm f/2.8 Limited.
DA 40mm f/2.8 XS
The SMC Pentax-DA 40mm f/2.8 XS is an even thinner version of the SMC DA 40mm lens, at 9.1 millimetres (0.36 in) thick, released by Pentax on February 2, 2012. It features an aesthetic design by Marc Newson to match the Pentax K-01. It is currently one of the thinnest autofocus pancake lenses ever made.
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DA 40mm f2.8 XS mounted on Pentax K-01
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References
- PentaxForums.com. "HD vs. SMC Pentax Limited Primes Review". Retrieved 7 October 2015.
- PentaxForums.com. "PENTAX Imaging: PENTAX - smc PENTAX-DA 40mm F2.8 XS Lens". Archived from the original on 11 May 2012. Retrieved 2 February 2012.
- PhotographyLife.com (26 February 2016). "Pentax smc DA 40mm f/2.8 XS". Retrieved 2018-02-11.
External links
- DA 40mm f2.8 Limited Official product page at Ricoh Imaging
- DA 40mm f2.8 XS Official product page at Ricoh Imaging
- PENTAX Introduces an Ultra-Thin 40mm Lens for the Digital SLRs, press release at Ricoh Imaging
- Examples of images list for 40mm XS, PENTAX K-1 Laboratory
- Pentax DA 35mm F2.4 vs 40mm XS vs 40mm Limited Review at PentaxForums.com
| Pentax K-mount lenses | |||||
|---|---|---|---|---|---|
| DA* |
| ||||
| DA |
| ||||
| DA Limited |
| ||||
| D FA and D FA* |
| ||||
| FA Limited |
| ||||
| FA* |
| ||||
| FA and FA J |
| ||||
| F and F* |
| ||||
| A and A* |
| ||||
| M and M* |
| ||||
| original K-series | |||||
| Special |
| ||||
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