Ricoh Imaging | Pentax smc DA 18-270mm f/3.5-6.3 SDM Lens
This high-magnification zoom lens offers 15X zoom ratio to cover focal lengths from 27.5mm wide angle to 414mm super telephoto in the 35mm format, while its built-in supersonic AF driving mechanism achieves both smooth, quiet AF operation and a compact, lightweight body. This lens incorporates two extra-low dispersion (ED) elements in its optics, delivering bright, high-resolution images even at the edges. It is designed with rounded diaphragm blades to produce a smooth, beautiful bokeh (out-of-focus rendition), while minimizing the streaking effect of point light sources. The wide-angle-to-long-telephoto zoom coverage makes this zoom lens extremely versatile and handy, allowing the user to effortlessly capture a wide variety of subjects, ranging from landscapes and snapshots to sports events, without the need to change lenses.
Lens Mount

PENTAX KAF3 mount

Angle of View

76-6° (with PENTAX K-Mount camera body)

Lens Construction(group/elements)

16 elements in 13 groups

Min. Aperture (f)

F22-45

Min. Focusing Distance

0.49m (1.6ft)

Max. Magnification

0.26X

Filter Size

62mm

Diameter & Length (mm)

75.8mm x 89.0mm (3.0” x 3.5”)

Weight (g)

453 g (16.0 oz.) w/o hood
469 g (16.5 oz.) w/hood

Notes

Rounded aperture (from opening to 1.5 step)
7 Diaphragm Blades
Optional Hood PH-RBD62 Available
Autofocus on K10D and later bodies (manual focus on other PENTAX DSLRs)

Model No.

21497

Whats in the box?

smc PENTAX DA18-270mm F3.5-6.3 ED SDM lens

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