Ricoh Imaging today announces five new Pentax Limited lenses in their new HD series, which promises improved optical performance over the previous Limited lens lineup. The New HD Pentax DA Limited lenses announced today are the 15mm F4 ED AL, 21mm F3.2 AL, 35mm F2.8 Macro, 40mm F2.8 Limited, and 70mm F2.4 Limited. What all five lenses have in common is the new HD coating, promising higher light transmittance and lower reflectance than conventional multi-layer coatings. They also feature Super Protect coating to keep the front surface free of dust and stains, rounded aperture blades for a circular aperture, and an enhanced exterior design. Details after the break.
HD Pentax DA 15mm F4 ED AL Limited
- 23 mm equivalent focal length
- Max. aperture: f/4; min. aperture: f/22
- 8 lens elements in 6 groups
- Min. focusing distance: 18 cm (7.1 in)
- Filter thread: 49 mm
- Size: 63 x 39.5 mm (2.5 x 1.6 in)
- Weight: 189 g (6.7 oz)
- Availability and price: September 2013 for US-$ 699.95
HD Pentax DA 21mm F3.2 AL Limited
- 32 mm equivalent focal length
- Max. aperture: f/3.2; min. aperture: f/22
- 8 lens elements in 5 groups
- Min. focusing distance: 20 cm (7.9 in)
- Filter thread: 49 mm (43 mm in hood)
- Size: 63 x 25 mm (2.5 x 1.0 in)
- Weight: 134 g (4.2 oz)
- Availability and price: September 2013 for US-$ 699.95
HD Pentax DA 35mm F2.8 Macro Limited
- 53.5 mm equivalent focal length
- Max. aperture: f/2.8; min. aperture: f/22
- 9 lens elements in 8 groups
- Min. focusing distance: 14 cm (5.5 in)
- Max. magnification: 1x
- Filter thread: 49 mm
- Size: 63 x 46.5 mm (2.5 x 1.8 in)
- Weight: 214 g (7.5 oz)
- Availability and price: September 2013 for US-$ 749.95
HD Pentax DA 40mm F2.8 Limited
- 60 mm equivalent focal length
- Max. aperture: f/2.8; min. aperture: f/22
- 5 lens elements in 4 groups
- Min. focusing distance: 40 cm (15.7 in)
- Filter thread: 49 mm (30.5 mm in hood)
- Size: 63 x 15 mm (2.5 x 0.6 in)
- Weight: 89 g (3.1 oz)
- Availability and price: September 2013 for US-$ 549.95
HD Pentax DA 70mm F2.4 Limited
- 105 mm equivalent focal length
- Max. aperture: f/2.4; min. aperture: f/22
- 6 lens elements in 5 groups
- Min. focusing distance: 70 cm (2.3 ft)
- Filter thread: 49 mm
- Size: 63 x 26 mm (2.5 x 1.0 in)
- Weight: 147 g (4.6 oz)
- Availability and price: September 2013 for US-$ 749.95
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