HD Pentax D FA 24-70mm F2.8 ED SDM WR vs Tamron AF 28-80mm F3.5-5.6 Aspherical Detailed Comparison

Pentax HD D FA 24-70mm F2.8 ED SDM WR vs Tamron AF 28-80mm F3.5-5.6 Aspherical

Lens to replace

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Pentax D FA 24-70mm F2.8 ED SDM WR

Standard Zoom | Pentax KAF3

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Tamron AF 28-80mm f3.5-5.6

Standard Zoom | Pentax KAF

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Pentax D FA 24-70mm F2.8 ED SDM WR vs Tamron AF 28-80mm f3.5-5.6 Comparison Overview

In this review, we will be comparing Pentax D FA 24-70mm F2.8 ED SDM WR and Tamron AF 28-80mm f3.5-5.6, two Standard Zoom lenses from Pentax and Tamron.

We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.

Pentax D FA 24-70mm F2.8 ED SDM WR Key Specs

24-70mm Focal Range

F2.8 Max Aperture

Weather Sealed

Max Format: 35mm FF

Pentax KAF3 Mount

Weight: 787g.

Diameter: 89mm

Length: 110mm

Tamron AF 28-80mm f3.5-5.6 Key Specs

28-80mm Focal Range

F3.5 - F5.6 Max Aperture

Filter Thread: 58mm

Max Format:

Pentax KAF Mount

Weight: 237g.

Diameter: 72mm

Length: 70mm

Min Focus Distance:0.7m

Reasons to choose HD Pentax D FA 24-70mm F2.8 ED SDM WR over Tamron AF 28-80mm F3.5-5.6 Aspherical

Focal Length - Wide	24mm vs 28mm	4mm Wider coverage
Max Aperture - Wide	2.8 vs 3.5	Wider aperture at wide end
Max Aperture - Tele	2.8 vs 5.6	Wider aperture at tele end
Weather Sealing	Yes vs No	safer to use under rain and dust
Minimum Focus Distance	m vs 0.7m	can focus closer to the subject

Reasons to choose Tamron AF 28-80mm F3.5-5.6 Aspherical over HD Pentax D FA 24-70mm F2.8 ED SDM WR

Focal Length - Tele	80mm vs 70mm	10mm more Tele coverage
Diaphgragm Blades	6 vs	Potentially more rounded and smooth bokeh
Aperture Ring	Yes vs No	able to adjust the aperture on the lens
Weight	237g vs 787g	550g lighter
Diameter	72mm vs 89mm	17mm smaller in diameter
Length	70mm vs 110mm	40mm shorter

Common Weaknesses of HD Pentax D FA 24-70mm F2.8 ED SDM WR and Tamron AF 28-80mm F3.5-5.6 Aspherical

Image Stabilization	No vs No	Reliant on in-body Image Stabilization

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Pentax D FA 24-70mm F2.8 ED SDM WR vs Tamron AF 28-80mm f3.5-5.6 Specs Table

Detailed comparison of specifications

General	Pentax D FA 24-70mm F2.8 ED SDM WR	Tamron AF 28-80mm f3.5-5.6
Brand	Pentax	Tamron
Lens Type	Zoom	Zoom
Price	CHECK PRICE	CHECK PRICE
Lens Type	Standard Zoom	Standard Zoom
Lens Mount	Pentax KAF3	Pentax KAF
Max Format	35mm FF	35mm FF
Focal Range	24-70mm	28-80mm
Image Stabilization		No
Colour	Unknown
Zoom Method	No Zoom	Rotary (extending)
Power Zoom	-	-
Zoom Lock	-	No
Zoom Ratio	2.9X	2.9X
Aperture
Max Aperture	F2.8	F3.5 - F5.6
Min Aperture		F22.0
Aperture Ring	No	Yes
Diaphragm Blades	unknown	6
Optics
Optical Elements	unknown	7
Optical Groups	unknown	7
Special Elements	HD Coating	unknown
Focusing
Min Focus Distance	unknown	0.7m
Max Magnification	unknown	unknown
Autofocus	Yes	Yes
AF Motor Type	Ultrasonic	Micromotor
Full Time Manual	Unknown
Focus Method	Unknown	Extending front
Distance Scale	Unknown	Unknown
DoF Scale	Unknown	Unknown
Distance Scale	Unknown	Unknown
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	787g	237g
Diameter	89mm	72mm
Length	110mm	70mm
Materials	Unknown	Unknown
Weather Sealing	Yes	Unknown
Filter Thread	Unknown	58mm
Filter Notes	-	-
Hood Supplied	Yes	Yes
Hood Code	Unknown	Unknown
Tripod Collar	No	No
Optional Accessories	-	-
	Report	Report

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