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DPChallenge Forums >> Hardware and Software >> Sony 0.7x Wide Angle Lens
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Canon EOS-6D
Canon EF 24-70mm f/2.8 L USM
 10/28/2003 06:35:11 PM · #1
I have a Sony Cyber-Shot DSC-P72 Camera
I am currently looking at a wide angle lens that has a .7x zoom. Does this mean that the zoom will actually decrease (Total Zoom x .7= Smaller Zoom, but wider angle) or is it the above plus the total zoom (greater than original)
Here is the lens I am looking at Lens, is it worth it, or should I look at a 2x telephoto? Any comments or suggestions would be very much appreciated because I am pretty new to this photography thing. Thanks!

Message edited by author 2003-10-28 19:01:53.
Canon EOS R5
Canon RF 24-70mm f/2.8 L IS
 10/28/2003 06:39:03 PM · #2
Mounting the 0.7x converter will change your focal length by a multiplier of 0.7x. So if you have 28-135mm equivalent focal length now (just an example) you would have 19.6-94.5mm with the adapter.
Canon EOS-6D
Canon EF 24-70mm f/2.8 L USM
 10/28/2003 07:05:38 PM · #3
Which would be batter for Macros, or would it even make a difference? And oh (yes, I am that new to this), what determines the focal length (iow, what does it represent, zoom?). What are some advantages to a telephoto lens and a wide angle lens? Please, enlighten me. Thank you for your time. :)
Pentax K10D
Pentax DA 18-55mm f/3.5-5.6 AF
 10/28/2003 07:51:01 PM · #4
Telephoto = increases magnification.
Good for making distand subjects much bigger and cropping out unwanted details. Getting in close to far away subjects. Ex. Animals, single object in crowds, etc.

Wide Angle = reduces magnification.
Good for confined spaces. It has the effect of pushing an object away from you. I will help show more of the sides missed if using the prime lens. Ex. Picture of your room, mountain ranges, etc.

Canon EOS-6D
Canon EF 24-70mm f/2.8 L USM
 10/28/2003 11:31:04 PM · #5
Thanks for the advice. That does help me out.
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