Telephoto Zoom Lens
Telephoto Zoom Lens
Why do they say to double the zoom for a digital telephoto lens ?
For instance, they say a 150mm zoom on a digital slr is equal to 300mm non-digital slr zoom. How is that possible, I have looked thru both and the digital is not equal, images on the non-digi slr telephoto looks alot closer. Are they trying to fool us ?
That formula only works with Olympus DSLR's. It has to do with the size of a DSLR's sensor when compared with a full frame 35 mm frame, 36 x 24 mm. Nikon APS-C sensors use a 1.5x factor as do Pentax and Sony. Canon's are 1.3x and 1.6x depending again on the size of the sensor.
 Canon EF S 55 250mm f 40 56 IS Telephoto Zoom Lens Manufacturer Refurbished US $166.99 
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 New sealed Canon EF S 55 250mm f 4 56 IS II Telephoto Zoom Lens for T2i T3i T3 US $178.00
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 NEW 58mm Tele 2x TELEPHOTO Zoom Lens For Canon EOS EF S 18 55mm f 35 56 IS US $24.99
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 VIVITAR RL EDITION 80 200MM 140 MACRO ZOOM TELEPHOTO LENS US $50.00
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 Focal MC auto zoom 80 200mm f 45 telephoto lens US $40.00
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 Sigma Zoom Wide Angle Telephoto Compact High Speed Zoom Autofocus Lens 20 70mm US $9.99
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 Canon SLR 75 300mm AF MF Camera Telephoto Zoom EF Lense Lens 14 56 US $56.66
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 Tokina 28 300mm Wide Angle Telephoto Zoom Lens EMZ283 AF for Sony Minolta Nikon US $136.99
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 VIVITAR 28 210mm 35 56 TELEPHOTO ZOOM LENS CANON EOS EF AUTOFOCUS SLR CAMERA US $48.00
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 Original Sony VCL HA20 Telephoto Zoom Lens Kit 2x zoom 37mm 30mm 25mm US $79.99
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 Bower 650 1300mm Manual Telephoto Zoom Lens for Canon EOS T3i T2i T1i 60D 7D T3 US $339.95
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 650 1300MM f8 16 High Definition Telephoto Zoom Lens For Sony Alpha Nikon EOS US $379.05
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 Sigma 100 300mm f 45 67 DL Telephoto Zoom Lens Pentax A1 Condition Superb US $63.22
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 Canon EF 75 300mm f 4 56 III Telephoto Zoom Lens US $79.99
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 Canon EF 75 300mm f 4 56 III Telephoto Zoom Lens New US $125.00
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 Canon FD 35 105mm 35 Perfect Wide Angle Telephoto Zoom lens Minty US $61.00
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 Canon EF 70 200mm f 28L USM IS Zoom Telephoto Lens US $830.00
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 NEW 58mm 2x TELEPHOTO LENS Zoom for Canon EOS Rebel 1100D 600D 60D 50D 7D 5D EF US $24.99
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 Canon 75 300mm telephoto zoom lens US $41.00
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 Konica Mount 70 150mm f 38 Close Focus Telephoto Zoom Lens by Vivitar US $23.99
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 Hanimex 80 200mm f 45 telephoto zoom lens for Canon FD cameras w caps US $11.50
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 Canon EF S 55 mm 250 mm F 40 56 IS II Telephoto Zoom Lens US $259.99
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 Nikura 14 f 75 200mm Telephoto Slide Zoom Lens Minolta Mount US $13.95
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 NIKON AF NIKKOR 28 70mm 135 45 D TELEPHOTO ZOOM LENS US $26.00
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 Original Sony VCL HA20 Telephoto Zoom Lens Kit 2x zoom 37mm 30mm 25mm US $106.99
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1: Canon Digital Rebel XS 10.1MP Digital SLR Camera Black with EF S 18 55mm f 3.5 5.6 IS Lens EF 75 300mm f 4 5.6 III Telephoto Zoom Lens 8GB Delu
Canon Digital Rebel XS 10.1MP Digital SLR Camera Black with EF S 18 55mm f 3.5 5.6 IS Lens EF 75 300mm f 4 5.6 III Telephoto Zoom Lens 8GB Deluxe Accessory Kit
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Excellent purchase, it is based on the price offered on the market only to be careful in transport fees to pay, because I have about $ 150 to get the product less than 3 days I think it is expensive.
However, the product is good and I recommend that you buy it.
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Telephoto Zoom Lens
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