HD Pentax D FA 24-70mm F2.8 ED SDM WR vs Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF Detailed Comparison

Pentax HD D FA 24-70mm F2.8 ED SDM WR vs Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF

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 28-75mm f2.8 XR LD

Standard Zoom | Pentax KAF

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BUY from B&H PHOTO

Pentax D FA 24-70mm F2.8 ED SDM WR vs Tamron AF 28-75mm f2.8 XR LD Comparison Overview

In this review, we will be comparing Pentax D FA 24-70mm F2.8 ED SDM WR and Tamron AF 28-75mm f2.8 XR LD, 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 28-75mm f2.8 XR LD Key Specs

28-75mm Focal Range

F2.8 Max Aperture

Filter Thread: 67mm

Max Format:

Pentax KAF Mount

Weight: 510g.

Diameter: 73mm

Length: 92mm

Min Focus Distance:0.33m

Reasons to choose HD Pentax D FA 24-70mm F2.8 ED SDM WR over Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF

Focal Length - Wide	24mm vs 28mm	4mm Wider coverage
Optical Zoom	2.90x vs 2.70x	More flexible focal coverage
Weather Sealing	Yes vs No	safer to use under rain and dust
Minimum Focus Distance	m vs 0.33m	can focus closer to the subject

Reasons to choose Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF over HD Pentax D FA 24-70mm F2.8 ED SDM WR

Focal Length - Tele	75mm vs 70mm	5mm more Tele coverage
Diaphgragm Blades	7 vs	Potentially more rounded and smooth bokeh
Aperture Ring	Yes vs No	able to adjust the aperture on the lens
Weight	510g vs 787g	277g lighter
Diameter	73mm vs 89mm	16mm smaller in diameter
Length	92mm vs 110mm	18mm shorter

Common Weaknesses of HD Pentax D FA 24-70mm F2.8 ED SDM WR and Tamron AF 28-75mm F2.8 XR Di LD Aspherical IF

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 28-75mm f2.8 XR LD Specs Table

Detailed comparison of specifications

General	Pentax D FA 24-70mm F2.8 ED SDM WR	Tamron AF 28-75mm f2.8 XR LD
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	28-75mm
Image Stabilization		No
Colour	Unknown
Zoom Method	No Zoom	Rotary (extending)
Power Zoom	-	-
Zoom Lock	-	Yes
Zoom Ratio	2.9X	2.7X
Aperture
Max Aperture	F2.8	F2.8
Min Aperture		F32.0
Aperture Ring	No	Yes
Diaphragm Blades	unknown	7
Optics
Optical Elements	unknown	16
Optical Groups	unknown	14
Special Elements	HD Coating	3 LD elements, 4 aspherical elements and 2 XR elements
Focusing
Min Focus Distance	unknown	0.33m
Max Magnification	unknown	unknown
Autofocus	Yes	Yes
AF Motor Type	Ultrasonic	Micromotor
Full Time Manual	Unknown	No
Focus Method	Unknown	Internal
Distance Scale	Unknown	Yes
DoF Scale	Unknown	Yes
Distance Scale	Unknown	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	787g	510g
Diameter	89mm	73mm
Length	110mm	92mm
Materials	Unknown	Unknown
Weather Sealing	Yes	Unknown
Filter Thread	Unknown	67mm
Filter Notes	-	non rotating
Hood Supplied	Yes	Yes
Hood Code	Unknown	flower shaped hood
Tripod Collar	No	No
Optional Accessories	-	-
	Report	Report

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