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Old Oct 12, 2006, 3:49 PM   #1
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i have decided to buy the 100d after much worry and deliberation, not to mention all the kind advice on this site, by pentax users,as i can only afford to buy the one lens to go with the 100d,(i have around £200 to spend on a digital zoom lens )i have, been advised by 2 different shops, 2 different lenses, the 2 recommendations are as follows.

jessops, sigma 28-300 f3.5-6.3 dg macro

mathers, tamron af 70-300 f4-5.6 apo dg macro

i have not got a clue what any of this means, however, i want a zoom lens for the macro capabilities, for flowers, and zoom for birds, etc., to replace superzoom 38 - 380 capabilities, i have ploughed through british shop sites and have found 2 sigma and 2 tamron of similar capabilities, as listed below can any one please advise which is the best of the 4 following lenses

Tamron af 70-300 f/4-5.6 Di Ld Macro 1 to 2



LENS SPECIFICATION
Lens Construction (Groups/Elements) 9/13
Angle of View 34°21'-8°15'
Type of Zooming Rotation
Diaphragm Blade Number 9
Minimum Aperture F/32
Minimum Focus Distance 59in.(1.5m) in normal setting/ 37.4" (0.95m) in macro mode (f=180mm-300mm range)
Macro Magnification Ratio 1:2 (at f=300mm MFD 0.95m)
Filter Diameter ø62
Weight 435g (15.3oz)
Diameter x Length ø3.0 x 4.6in. (ø76.6 x 116.5mm)
Accessory Lens hood
Mount Canon AF, Minolta AF-D, Nikon AF-D, Pentax AF




Tamron AF 28-300 f3.5-6.3 XR Di [/b]

LENS SPECIFICATION
Lens Construction (Groups/Elements) 13/15
Angle of View 75°-8°
Type of Zooming Rotation
Diaphragm Blade Number 9
Minimum Aperture F/22
Minimum Focus Distance 19.3in.(0.49m)
Macro Magnification Ratio 1:2.9
Filter Diameter ø62
Weight 420g (14.8oz)
Diameter x Length ø2.9 x 3.3in. (ø73 x 83.7mm)
Accessory Lens hood
Mount Canon AF, Minolta AF-D, Nikon AF-D, Pentax AF


sigma 70-300 f/4-5.6 apo dg macro



Lens Construction 14 Elements in 10 Groups

Angle of View 34.3 - 8.2 degrees

Number of Diaphragm Blades 9 Blades

Minimum Aperture F22

Minimum Focusing Distance 95cm

Maximum Magnification 1:2

Filter Size 58mm

Dimensions Diameter 76.6mm X Length 122mm

Weight 550g
[/*]
Sigma 28-300 f/3.5-6.3 dg macro



Lens Construction: 15 Elements in 13 Groups

Angle of View: 75.4 - 8.2 degrees

Number of Diaphragm Blades: 8 Blades

Minimum Aperture F22

Minimum Focusing Distance: 50cm

Maximum Magnification: 1:3

Filter Size: 62mm

Dimensions: Diameter 74mm x Length 86mm

Weight: 490g



thanks for taking the time to read this, and thanks for any advice offered, as i said earlier, i have no idea what any of the specs mean and would be happy to buy on user recommendations rather than salesmans patter


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Old Oct 12, 2006, 4:20 PM   #2
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Posts: 2,974
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jad123 wrote:
Quote:
i have decided to buy the 100d after much worry and deliberation, not to mention all the kind advice on this site, by pentax users,as i can only afford to buy the one lens to go with the 100d, (i have around £200 to spend on a digital zoom lens )i have, been advised by 2 different shops, 2 different lenses, the 2 recommendations are as follows.

jessops, sigma 28-300 f3.5-6.3 dg macro

mathers, tamron af 70-300 f4-5.6 apo dg macro

i have not got a clue what any of this means, however, i want a zoom lens for the macro capabilities, for flowers, and zoom for birds, etc., to replace superzoom 38 - 380 capabilities, i have ploughed through british shop sites and have found 2 sigma and 2 tamron of similar capabilities, as listed below can any one please advise which is the best of the 4 following lenses

Tamron af 70-300 f/4-5.6 Di Ld Macro 1 to 2



LENS SPECIFICATION
Lens Construction (Groups/Elements) 9/13
Angle of View 34°21'-8°15'
Type of Zooming Rotation
Diaphragm Blade Number 9
Minimum Aperture F/32
Minimum Focus Distance 59in.(1.5m) in normal setting/ 37.4" (0.95m) in macro mode (f=180mm-300mm range)
Macro Magnification Ratio 1:2 (at f=300mm MFD 0.95m)
Filter Diameter ø62
Weight 435g (15.3oz)
Diameter x Length ø3.0 x 4.6in. (ø76.6 x 116.5mm)
Accessory Lens hood
Mount Canon AF, Minolta AF-D, Nikon AF-D, Pentax AF




Tamron AF 28-300 f3.5-6.3 XR Di [/b]

LENS SPECIFICATION
Lens Construction (Groups/Elements) 13/15
Angle of View 75°-8°
Type of Zooming Rotation
Diaphragm Blade Number 9
Minimum Aperture F/22
Minimum Focus Distance 19.3in.(0.49m)
Macro Magnification Ratio 1:2.9
Filter Diameter ø62
Weight 420g (14.8oz)
Diameter x Length ø2.9 x 3.3in. (ø73 x 83.7mm)
Accessory Lens hood
Mount Canon AF, Minolta AF-D, Nikon AF-D, Pentax AF


sigma 70-300 f/4-5.6 apo dg macro



Lens Construction 14 Elements in 10 Groups

Angle of View 34.3 - 8.2 degrees

Number of Diaphragm Blades 9 Blades

Minimum Aperture F22

Minimum Focusing Distance 95cm

Maximum Magnification 1:2

Filter Size 58mm

Dimensions Diameter 76.6mm X Length 122mm

Weight 550g
  • [/*]
Sigma 28-300 f/3.5-6.3 dg macro



Lens Construction: 15 Elements in 13 Groups

Angle of View: 75.4 - 8.2 degrees

Number of Diaphragm Blades: 8 Blades

Minimum Aperture F22

Minimum Focusing Distance: 50cm

Maximum Magnification: 1:3

Filter Size: 62mm

Dimensions: Diameter 74mm x Length 86mm

Weight: 490g



thanks for taking the time to read this, and thanks for any advice offered, as i said earlier, i have no idea what any of the specs mean and would be happy to buy on user recommendations rather than salesmans patter

If you already have the 18-55mm kit lens (a very good lens for the price) then getting the 70-300mm would be the best choice in covering the range of wide to tele zoom.

If you want a walk around lens where you don't want to changelenses and want that zoom range then the 28-300mm.

Whether it be Tamron (get the LD)or Sigma (get the APO) in the 70-300mm it is a toss up as to which is best.

I have the Tamron 70-300 LD (no Di)1:2 macro andgot it at a steal price of $90 USused at my local camera shop. Enjoy the results and havestuck with Tamron as my third party lens choice. The more expensive 28-75mm XR Di 2.8 is an awesome lens and I use this as my walk around.

As far as what shops recommend it all comes down to what they carry to sell. Both brands are credible and I would try them first if possible and see from there.
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Old Oct 12, 2006, 5:34 PM   #3
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I have used the Sigma 70 - 300 APO on a Nikon and was pleased with the results - it is a heavy lens.

I ordered mine through Jacobs.

This months 'Digital Camera Shopper' magazine has a feature / review of the kind of lenses that you are looking at.
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Old Oct 12, 2006, 8:37 PM   #4
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sigma/tamron 70-300 apo. i had the sigma and got many pleasent images. the sigma i know also does 1:2 macros also.. for a beginning lens , you can't go wrong with it..

roy
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Old Oct 16, 2006, 3:42 PM   #5
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Posts: 67
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first, my apologies to you all for not replying sooner, i have had problems with my computer, it would not play the game,

second i would like to thank you for both, reading and repling to my post, with your kind suggestions,

i would like to thank Norm for telling me about the lens reviews, in the magazine, not only for the sigma/tamron lens reviews, there is also a review of the k100d camera as well, bought it straight away, had a good chill out period with a cup of coffee and an interesting read, cheers Norm

again many thanks for helping

best wishes, alan
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Old Oct 16, 2006, 5:39 PM   #6
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[img]file:///C:/DOCUME%7E1/DANIEL%7E1/LOCALS%7E1/Temp/moz-screenshot.jpg[/img][img]file:///C:/DOCUME%7E1/DANIEL%7E1/LOCALS%7E1/Temp/moz-screenshot-1.jpg[/img][img]file:///C:/DOCUME%7E1/DANIEL%7E1/LOCALS%7E1/Temp/moz-screenshot-2.jpg[/img][img]file:///C:/DOCUME%7E1/DANIEL%7E1/LOCALS%7E1/Temp/moz-screenshot-3.jpg[/img]http://www.cameraworld.co.uk/ViewProdDetails.asp?prod_code=PON05F000019&Pro d_name=Sigma+70%2D300mm+f%2F4%2D5%2E6+APO+DG+MACRO &CAT_CODE=2&SUBCAT_CODE=38


the sigma 70-300mm lens looks good f/4-5.6 APO DG macro
Looks really good and is only £150
i would get this one as the APO certainly helps when your at the tele end of the lens
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