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Opteka Telephoto Lens Question  
User currently offlinenssd70 From United States of America, joined Jan 2008, 201 posts, RR: 0
Posted (4 years 1 month 3 weeks 2 days 9 hours ago) and read 3248 times:

Are the Opteka Telephoto lenses worth looking at? I'm wanting a lens where I can get decent pictures of planes flying at 30,000 feet or so. I'm not looking at getting the pictures on Airliners.net per se,but want a picture that I can tell what the aircraft is.

Doug

4 replies: All unread, jump to last
 
User currently offlineOLy720man From United Kingdom, joined May 2004, 6682 posts, RR: 11
Reply 1, posted (4 years 1 month 3 weeks 2 days ago) and read 3205 times:

They don't get particularly good reviews and you get what you pay for, so don't expect much.

If you want to photograph planes at 30kft then a 400mm is probably the minimum focal length to get the aircraft a reasonable size to identify it, and then you're looking at A330/A340/B767/B777 sized planes.

To give you an idea of possibilities, these are with a Tokina 400mm lens


MyAviation.net:
Click here for bigger photo!
Photographer © Andy kennaugh


MyAviation.net:
Click here for bigger photo!
Photographer © Andy kennaugh


MyAviation.net:
Click here for bigger photo!
Photographer © Andy kennaugh



This with a Tamron 500mm mirror lens (manual focus)


MyAviation.net:
Click here for bigger photo!
Photographer © Andy kennaugh



This with 70-300mm lens with 2x converter (had to use manual focus since AF can be affected by converters) Lateish in the afternoon so the shutter speed was a bit low as well.


MyAviation.net:
Click here for bigger photo!
Photographer © Andy kennaugh




wheat and dairy can screw up your brain
User currently offlinejohnkrist From Sweden, joined Jan 2005, 1399 posts, RR: 6
Reply 2, posted (4 years 1 month 3 weeks 2 days ago) and read 3189 times:
AIRLINERS.NET CREW
HEAD SUPPORT

Identifying what? The reg? Airline?
Sometimes I can see the reg with my 200mm+1.4 converter. To identify an airline all you need is 200mm and zoom in on the image afterwards. Stabilizer helps a lot though  

200mm

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Click here for bigger photo!

Photo © Johnny Kristensen




5D Mark III, 7D, 17-40 F4 L, 70-200 F2.8 L IS, EF 1.4x II, EF 2x III, Metz 58-AF1
User currently offlinenssd70 From United States of America, joined Jan 2008, 201 posts, RR: 0
Reply 3, posted (4 years 1 month 3 weeks 1 day 10 hours ago) and read 3105 times:

Looks like I need to just get a converter for my 70-300mm lense. I only want to be able to tell whether the plane is a 757,A320,etc. Is there a converter that is better than others? I have a Canon Rebel XS camera,and Canon lenses.

Doug

[Edited 2010-06-01 17:13:49]

User currently offlinejohnkrist From Sweden, joined Jan 2005, 1399 posts, RR: 6
Reply 4, posted (4 years 1 month 3 weeks 1 day 3 hours ago) and read 3067 times:
AIRLINERS.NET CREW
HEAD SUPPORT

For that lens the only option is a 3rd party extender like Kenko or Soligor, where Kenko is the prefered one. Also choose MC7 before MC4 as that one has more optic elements.


5D Mark III, 7D, 17-40 F4 L, 70-200 F2.8 L IS, EF 1.4x II, EF 2x III, Metz 58-AF1
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