Compare Sigma 18-35mm F1.8 DC HSM vs Pentax-D FA 70-210mm F4

9 blades, Rounded diaphragm

9 blades

Black

Zoom Lens

Super Telephoto Zoom Lens

APS-C

APS-C

Distance scale

Focus limiter, Distance scale

Canon EF-mount, Nikon F-mount, Pentax K-mount, Sigma SA-mount, Sony A-mount

Pentax K-mount

Magnesium alloy

Ring-type ultrasonic

Ring-type ultrasonic

17 elements

20 elements

12 groups

14 groups

5 SLD glass elements, 4 glassmold aspherical elements groups

2 anomalous dispersion and 3 ED elements + HD coating groups

72 mm / 2.83 in

67 mm / 2.64 in

78 mm / 3.07 in

79 mm / 3.11 in

121 mm / 4.76 in

175 mm / 6.89 in

810 g / 28.62 oz

819 g / 28.94 oz

77.4° Diagonal | 67.4° Horizontal | 47.9° Vertical (wide) ~ 44.8° Diagonal | 37.8° Horizontal | 25.8° Vertical (tele)

23.3° Diagonal | 19.5° Horizontal | 13.0° Vertical (wide) ~ 7.9° Diagonal | 6.5° Horizontal | 4.4° Vertical (tele)

f/1.8 ~ f/16

f/4 ~ f/32

Yes

Yes

1.5

1.5

18 mm ~ 35 mm

70 mm ~ 210 mm

27.0 mm ~ 52.5 mm

105.0 mm ~ 315.0 mm

Internal

Internal

No

No

Yes

Internal zoom

Internal zoom

0.23x

0.32x

280 mm / 11.02 in

950 mm / 37.40 in

Lens Hood: LH780-03 (supplied)

Lens hood included

2013-04-18

2020-01-22

Japan