Asian Photography - December 2015

DECEMBER 2015 31

Angle Of View 31.5-8.1° (with PENTAX D-SLR camera body)

Number Of Diaphragm Blades 6

Minimum Focusing Distance 43.2 inches

Maximum Magnification 0.24x 0.24x 0.24x 0.24x

Weight 10.1 oz (285g) without hood, 11.5 oz (325g) with hood

Objective Cap O-LC49

Lens Aperture Ring N/A

Diaphragm Control Fully Automatic

Notes Quick-shift focus, Filter window, SP (Super Protect) coating

Lens Construction 11 elements in 10 groups

Aperture F4-5.6

Minimum Aperture F22-32

Filter Diameter 49mm

Dimensions 2.7 x 3.1" (69.0 x 79.5mm)

Case S80-120

Hood PH-RBD 49mm

Tripod Adapter N/A

Focal Length 50-200mm (Equivalent to 76.5-307mm in 35mm format)

Focal Length [mm] 18-200

Maximum Aperture F/3.5-6.3

Minimum Object Distance [m] 0.49 – 0.77m [18mm: 0.5m /

35mm: 0.77m / 180mm: 0.49m /

200mm: 0.5m]

Maximum Magnification Ratio 1:04

Filter Size [mm] 62

Weight [g] 400

Item No B018

Groups-Elements 14-16

Angle of view 75°33-7°59

Diaphragm Blades 7

Minimum Aperture F/22-40

Diameter x Length [mm] 75 x 96.6

Available Colors Black

specifications

specifications

Pentax DA 50-200mm F4-5.6 ED WR

Tamron AF 18-200mm F/3.5-6.3 Di II VC

Price

` 17,015

Price

` 17,900

Build and Handling

The four telephoto lenses had a good quality pro-level built with

a mix of metal and plastic. The Canon EF-S 55-250mm f/4-5.6 IS

STM is lightweight and sleek. On the body there are the AF/MF, and

Image Stabilizer On/Off toggle switches. The zoom ring is pretty

smooth to turn too. The Sony DT 55-200mm F4-5.6 lens is small

but sturdy looking, with only an AF/MF toggle switch on the body. The

zoom ring was not quite smooth to turn, and the focus ring is at the

extreme front of the lens, with no specific marking on it. The Pentax

DA 50-200mm F4-5.6 ED WR was the smallest of all the three lenses,

and had no physical switches or buttons on the body. The zoom ring

on the Pentax was the smoothest and turned very fluidly. The Tamron

AF 18-200mm F/3.5-6.3 Di II VC lens felt strong when held in the

hand. The lens had two toggle switches, AF/MF and Vibration Control

On/Off. The zoom and focus rings were pretty smooth to turn. There

is also a lock key to lock the lens at 18mm. All the lenses weighed over

200 grams, with the Pentax DA 50-200mm F4-5.6 ED WR weighing

the least at 254 grams.