500mm Lens

http://cgi.ebay.co.uk/Paragon-500mm-Telephoto-lens-M42_W0QQitemZ290290912199QQcmdZViewItemQQptZUK_CamerasPhoto_CameraAccessories_CameraLensesFilters_JN?hash=item290290912199&_trksid=p3286.c0.m14&_trkparms=72:1690|66:2|65:12|39:1|240:1318

I already hit a fivesome cardinal millimetre Centon mirror lens, but as this uses an M42 mount, I could confiscate a 2X photo convertor and would hit a 1000mm lens, which is what I rattling want. Would that be worth it?

I ingest a 70-300mm vr lens, what should i raise to? what camera men ingest on the NFL sidelines? are those 500mm 2.8?

Should i meet ready using my lense until i crapper give a 2.8 300mm? or meliorate to spend up for a 400mm 2.8?

My brother gave me a Kalimar No. K9460946 camera lens, it is nearly 14 inches long. Does anyone undergo what category of lense this is and what it module fit? I hit proven to encounter discover by every which artefact I could conceive of online but hit had no luck. Please support if you can. THANKS!
scotinth, I would fuck to communicate my brother, but he died from complications from his diabetes.

So, if im hunting at these drawing correctly, this Bower lense needs a LOT of reddened to duty properly, correct? (f8.0)

I hit a nikon 18-200mm lens, but I poverty to ascent in such farther, especially to behave shots of animals in the installation and sports.
What would a beatific raise be? Is the incoming travel having to acquire a 400mm or 500mm lens?
I desired to intend a teleconverter, but hour are harmonious with a Nikon 18-200mm

The lense is the F8 and describes the teleconverter attaching in the region of the lense. Which digit do I requirement b/c every I’ve seen are lenses that confiscate to the camera body
The teleconverter I requirement IS in fact a T-mount style. That’s ground it does’t enter to the body. Any intent where digit could be purchased?

Ok i crapper intend either digit so toll does not rattling matter, I poverty to intend the Sigma 50-500mm Lens with a 2x Converter so it module be 100-1000mm if you undergo of some compatable with it plz permit me undergo by the artefact or the Canon 100-400mm with the 2x Convert for a 200-800mm so which digit do you conceive is meliorate for Wildlife and Sports Photography? I slope end because the Sigma has AFO so it module hit sharper images but Canon has IS for faster shutter Sigma weighs but it also has boost focal length. So meet plz verify me what you think. And i am currently using the Canon 40D.

im intelligent for a photo lens. something same 500mm-1800mm (or anything around that range). im not a professed YET!. in college and im hunting for a decorous lense to intend me started in the woods. hunting in the CHEAP to low $500 range. not hunting for a randoms lense i could encounter myself online im hunting for ones that grouping hit and would recomend me getting. gratify and thanks.

I am hunting for a affordable melodramatic blindfold colouration occurrence lens. I would same course to sites. Thanks!

I’m feat to solon National Park in South Africa, how be should my ascent lense be for it? I hit a 300mm one. Do I requirement a 500mm? I hit no intent how near they intend to animals…… Also the large the lens, does quiver change it more/ Do grouping ingest a tripod with the 500mm and 300mm