Sigma 18-35mm F1.8 DC HSM specificationsMaximum format sizeAPS-C

Focal length18-35mm

35mm equivalent focal length (APS-C)27-53mm

Diagonal angle of view76.5 - 44.2

Maximum apertureF1.8

Minimum apertureF16

Lens Construction 17 elements in 12 groups 5 SLD glass elements 4 glassmold aspherical elements

Number of diaphragm blades9, rounded

Minimum focus0.28m

Maximum magnification0.23x

AF motor type Ring-type Ultrasonic Motor Full time manual focus

Focus methodInternal

Zoom methodRotary, internal

Image stabilizationNo

Filter thread 72mm Does not rotate on focus

Supplied accessories* Front and rear caps Lens hood LH780-03

Weight810g

Dimensions78mm diameter x 121mm length

Lens MountCanon EF, Nikon F, Sigma SA, Sony

Sony DT 50mm F1.8 SAMOptical configuration6 elements in 5 groups

Angle of view32

Aperture7 blades, circular

Full frame and APS-CMade for APS-C cameras. APS-C equivalent, 75mm. Will work on full frame cameras, and gives full coverage, but APS-C size capt will auto crop the image, hopefully Sony will correct this in the future.

Depth of field and focus scales?Focus scale only

Minimum focus, image plane to subject340mm

Minimum focus, end of lens barrel to subject235mm

Hard stop at infinity focus?No

Length changes when focusing?Yes

Focus ring turns in AF?Yes

Filter size49mm

Filter ring rotates?No

Distance encoder?Yes

Max magnification0.2x

Min. F/stopF/22

Sony teleconverter compatible?No

Dimensions W x L (my measurements)70mm x 45mm. Add 2mm to width for AM/MF switch on barrel.

Maximum extended length (my measurements)50mm

Weight bare (my scale)172g (193g with caps)

Tamron 70-300mm F/4-5.6 USDOptical configuration17 elements in 12 groups

Angle of view34-8 full frame, 23-5 APS-C

Aperture9 blades, curved

Full frame and APS-CWorks great on both systems.

Depth of field and focus scales?Focus distance scale in window.

Minimum focus, image plane to subjectAbout 1.49m

Minimum focus, end of lens barrel to subjectAbout 1.24m

Hard stop at infinity focus?No.

Length changes when focusing?No.

Focus ring turns in AF?No

Filter size62mm.

Filter ring rotates?No

Distance encoder?Yes

Max magnification1:4 or 0.25x

Min. F/stopF/32 @70mm, F/45 @300mm.

Sony teleconverter compatible?No

Length changes when zooming?Yes

Dimensions WxL (my measurements)82mm x 145mm.

Maximum extended length (my measurements)196mm

Weight bare (my scale)751g

Tokina AT-X 116 PRO DX II

Focal Length11 - 16mm

Maximum Aperturef/2.8

Minimum Aperturef/22

Construction E/G13 Elements in 11 Groups

CoatingsMulti-layer

Angle of View104 - 84

Minimum Focus Distance0.3 m

Macro Ratio1:11.6

Focusing ModeInternal Focusing

Zoom ModeRotary Zoon

Aperture Blades9

Filter Size77mm

Lens Width84mm

Lens Length89.2mm

Weight550g

AccessoriesFlower design Bayonet lens hood (BH77B)

Lens HoodBH-77B

MountsCanon APS-C, Nikon APS-C

NotesThe lens is designed for Digital cameras with APS-C sensors

Warranty3 Year Limited Warranty

MinoltaAF 28-105 F3.5-4.52635-110

ManufacturerKonica Minolta

ModelAF 28-105 mm f/3.5-4.5

Lens styleUniversal zoom

coverageFull frame

Focal length28 - 105mm

Maximum aperturef/3.5 - 4.5

Angle of view75,3 23,2o

Closest focusing distance0.5m

Maximum magnification1:4.7

Minimum aperture22-27

Number of diaphragm blades7

Auto focus typeAF

Lens Construction13 elements / 10 groups

Filter diameter62mm

MacroNo

Available mountsSony A / Minolta

Dimensions73 x 80mm

Weight485g

Additional informationMarketed 1994

Sigma 12-24mm f/4.5-5.6 EX DG (D)

Optical configuration16 elements in 12 groups

Angle of view122-84 full frame, 99-61 (?) APS-C.

Aperture6 blades, straight

Full frame and APS-CYes, full frame, APS-C equivalent 18-36mm

Depth of field and focus scales?Focus scale, DOF scale for (W) wide end, and (T) telephoto end.

Minimum focus, image plane to subject280mm

Minimum focus, end of lens barrel to subject123mm

Hard stop at infinity focus?No

Length changes when focusing?No

Focus ring turns in AF?Yes

Filter sizeRear gel slot, front cap 82mm.

Filter ring rotates?No

Distance encoder??

Max. magnification ratio1:7.1

Max magnification0.14x

Min. F/stopF/22-29

Sony teleconverter compatible?No

Length changes when zooming?No

Dimensions WxL87mm x 102mm, barrel width at focus ring 80mm

Maximum extended length102mm

Weight bare478g 541g with caps

Other featuresgelatine filter slot

Sony DT 30mm F/2.8 SAM

Optical configuration6 elements in 5 groups

Angle of view50

Aperture7 blades, curved

Full frame and APS-CAPS-C only, equivalent to 45mm.

Depth of field and focus scales?Distance scale only.

Minimum focus, image plane to subject129mm

Minimum focus, end of lens barrel to subject19mm

Hard stop at infinity focus?No

Length changes when focusing?Yes

Focus ring turns in AF?Yes

Filter size49mm

Filter ring rotates?No

Distance encoder?Yes

Max magnification1.0x, or 1:1

Min. F/stopF/22

Sony teleconverter compatible?No

Length changes when zooming?N/A

Dimensions WxL70mm x 45mm. Add 2mm for AF/MF switch.

Maximum extended length64mm

Weight bare (my scale) 154g (176g with caps)

Tamron SP AF 17-50mm F/2,8 XR Di II LD Aspherical [IF]EISA Photo Award "Lens of the Year" 2006-2007

Groups-Elements13-16

Angle of view78-31

Optical Constructionrotation

Diaphragm Blades7

Minimum Aperture32

Minimum Object Distance [m]0.27

Maximum Magnification Ratio1:4,5 (0.22X)

Filter size [mm]67

Weight [g]430

Diameter x Length [mm]73,8 x 83,2

Maximum Aperture2,8

Focal Length [mm]17-50