DA 70mm vs FA 77mm Limited

Specifications

The side-by-side specification of each lens can be seen in the table below. The green cells emphasize the areas where one lens excels over the other and the red cells indicate where the lens could be improved.

Pentax-DA 70mm

Pentax-FA 77mm

Groups/Elements

5/6

6/7

Image Format

APS-C (16 x 24)

Full-Frame (24 x 36mm)

Angle of View

23 degrees

21 degrees (APS-C)

31.5 degrees (Full Frame)

Minimum Focusing Distance

27.6 inches (.70m)

27.6 inches (.70m)

Autofocusing Type

Slotted Screw-drive

Slotted Screw-drive

Front Element Diameter

49mm

49mm

Aperture Ring

No

Yes

Maximum Aperture

F2.4

F1.8

Minimum Aperture

F22

F22

Diaphragm Blades

9

9

Weather Sealing

No

No

Full-time Manual Focus

Yes (Quick-Shift Focus System)

No

Distance/ Depth of Field Scales

Yes

Yes

Dimensions

2.5” x 1.0” (63 x 26mm)

2.5” x 1.9” (63 x 48.26mm)

Weight

4.6 oz. (130g)

9.5 oz. (269g)

Accessories

Hood, Pouch

Pouch

Hood

Included

Built-in

 

 


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