Designed for Pentax DSLRs, but also compatible with Samsung models, this lens boasts 16 elements in 13 groups...

Product Overview

Overall rating:

84%

Pentax 18-250mm f/3.5-6.3 ED A

Overall score:84%
Features:80%
Value:85%
Image Quality:85%
Performance:85%
Design:85%

Pros:

  • Good CA control, length, consistent performance

Cons:

  • Noisy AF, slack zoom ring

Product:

Pentax 18-250mm f/3.5-6.3 ED A

Manufacturer:

Price as reviewed:

£350

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Designed for Pentax DSLRs but also compatible with Samsung models, this lens boasts 16 elements in 13 groups and includes a pair of ED optics as well as two aspherical elements. The lens is from Pentax’s DA range, rather than from the premium DA* line, and lacks image stabilisation as Pentax DSLRs use an in-camera system for this. It doesn’t feature Pentax’s new SDM motor for quieter, faster focusing, although admittedly, nor do most of the other lenses in this category.

The AF motor is neither the fastest nor the quietest, though in conjunction with the Pentax AF in-camera system it doesn’t hunt too much. The zoom action is slack, so the zoom lock needs to be used when carrying the lens and camera, or else gravity takes effect and extends the barrels.

Image Quality

Performance in general is average, with a reasonable resolution at 18mm and good chromatic aberration control in the centre of the frame, at both ends of the zoom. Image quality falls off in the corner, though resolution at 200mm is fairly consistent.

Verdict

An average performer with good control over chromatic aberrations but only satisfactory resolution.

Full Specification

Other:
Lens hood: Included
Weight:
455g

Minimum Focus:
45cm
Dimensions:
75 x 85.5mm

Lens Construction:
16:13, 2 ED, 2 Asph
Minimum Aperture:
f/22-45

Maximum Aperture:
f/3.5-6.3
Diagonal Angle of View:
87-7

Focal Length:
18-250mm
Maximum Format Size:
APS-C

Date Introduced:
n/a
Lens Mount:
Pentax

Focus Method:
M, AF
Filter Thread:
62mm