A subjective look at Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ Canon EOS 5D. Part 3 — Optical Results

For the purpose of this review the Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 lens was used on Canon EOS 5D DSLR.

Canon EOS 5D is now discontinued amateur fullframe digital SLR camera announced back in 2005. The camera is equipped with Canon 12.8 MP CMOS sensor. The Low-Light ISO parameter of the sensor measured by DxO Labs is 1368. Auto ISO function is only available in fully automatic green mode and is restricted to the range of 100-400. The camera produces 12 bit RAW images and is only compatible with Compact Flash memory cards. There’s no Live View mode and no built-in flash.

However it was quite comfortable to shoot with this camera due to really large and bright optical viewfinder common to all fullframe SLR cameras in general and Canon 5D in particular.

The images which illustrate this review were developed in Adobe Photoshop Lightroom 5.6 WITHOUT correction of distortion, vignetting and lateral chromatic aberrations, WITHOUT sharpening and increasing of overall contrast, brightness, saturation and WITHOUT changing of any other settings.

Visually the lens is sharp in the center of the frame already wide open at the entire focal range. The sharpness increases with closing of the aperture and becomes excellent with Canon EOS 5D. The edges of full frame virtually do not lag behind the center. Such results are worthy of the lens belonging to the Tamron SP professional series!

Livadia Palace, Crimea. Canon EOS 5D @ ISO 200, 1/80 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/4.5
Livadia Palace, Crimea. Canon EOS 5D @ ISO 200, 1/125 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/5.6
Mount Ai-Petri, Crimea. Canon EOS 5D @ ISO 200, 1/500 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 63mm, F/9
Mount Ai-Petri, Crimea. Canon EOS 5D @ ISO 200, 1/500 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 75mm, F/8
Mount Ai-Petri, Crimea. Canon EOS 5D @ ISO 100, 1/320 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 54mm, F/7.1
Mount Ai-Petri, Crimea. Canon EOS 5D @ ISO 100, 1/320 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 62mm, F/8
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/320 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/9
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/320 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/9
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/500 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 68mm, F/8
'Citizens! Take care of mother nature. Be merciful to the inhabitants of the forest'. Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/100 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/5
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/200 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/7.1
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Ivan Fedorovich, the guide, Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 44mm, F/8
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/320 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/9
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/200 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/7.1
Karadag Nature Reserve, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Tsar's bay, Novy Svet, Crimea. Canon EOS 5D @ ISO 100, 1/400 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 53mm, F/8
Cape Kapchik, Novy Svet, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8
Novy Svet, Crimea. Canon EOS 5D @ ISO 100, 1/200 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/7.1

The lens exhibits barrel distortion at the widest end which could be noticeable in specific situations, especially during architecture or interior shooting. However it’s a typical drawback of a standard zoom lens with such focal range. The aberration becomes weaker with zooming and the lens exhibits moderate pucushion distortion at 75 mm.

Genoese fortress, Feodosia, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 48mm, F/7.1
'FESSLER - LATRI. To the great Aivazovsky and his disciples. Greatful Feodosia. GANZEN - LAGORIO', Feodosia, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 55mm, F/7.1
Pilgrim near the Holy Dormition Monastery, Crimea. Canon EOS 5D @ ISO 100, 1/100 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/5
Chufut-Kale, Crimea. Canon EOS 5D @ ISO 100, 1/320 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/9
Chufut-Kale, Crimea. Canon EOS 5D @ ISO 100, 1/320 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/9
Chufut-Kale, Crimea. Canon EOS 5D @ ISO 100, 1/250 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/8

Vignetting is strong wide open at any focal length and looks like a darkening of frame edges. Vignetting becomes weak with closing of the aperture by several stops.

Cape Kapchik, Novy Svet, Crimea. Canon EOS 5D @ ISO 100, 1/1600 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/2.8
Genoese fortress, Sudak, Crimea. Canon EOS 5D @ ISO 100, 1/500 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 75mm, F/8
Genoese fortress, Sudak, Crimea. Canon EOS 5D @ ISO 100, 1/500 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 75mm, F/8
Genoese fortress, Sudak, Crimea. Canon EOS 5D @ ISO 100, 1/400 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 65mm, F/7.1
Genoese fortress, Sudak, Crimea. Canon EOS 5D @ ISO 100, 1/400 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 75mm, F/7.1
Church of the Intercession of the Holy Virgin, Sudak, Crimea. Canon EOS 5D @ ISO 100, 1/400 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/10

Lateral chromatic aberrations are weak even at the widest end. They can be even left uncorrected in some cases. Great result!

Bakhchysarai, Crimea. Canon EOS 5D @ ISO 100, 1/125 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/5.6
Khan's Palace, Bakhchysarai, Crimea. Canon EOS 5D @ ISO 100, 1/200 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/7.1
Khan's Palace, Bakhchysarai, Crimea. Canon EOS 5D @ ISO 100, 1/125 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/5.6
Bakhchysarai, Crimea. Canon EOS 5D @ ISO 100, 1/125 sec. Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical (IF) Macro A09 @ 28mm, F/5.6
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