Photography has been one of my favorite hobby, I've looked around to some available lenses all over the internet and found these most expensive ones that can cost much as a house or some of them would even require me to sell some of my properties just to avail one.

Take a look at these gigantic lenses, and the price? It actually ranges from 5 ( the least expensive) to 7 figures! Whew!

1. LEICA APO-TELYT-R 1:5.6/1600mm
   Price:16 million HKD ( 2,064,489 USD )
   
   • It might not be the largest one but it is the most expensive lens at the moment and I suppose no ordinary person can ever have it, unless he's a King!
     
2. Zeiss Apo Sonnar T* 1700 mm F4
   Price: disclose
   
   • This behemoth which is actually the "largest of all the lenses ever", was developed by Carl Zeiss designed to be used in Wildlife Photography.
3. Canon EF 1200mm f/5.6 L USM Lens
   Price: 9,800,000 yen ( 102,498.2 US$ )
   
   • a super telephoto prime lens which is aimed at sports and wildlife photography made by Cannon. As the company it as, " the world’s largest interchangeable SLR AF lens, in terms of both focal length and maximum aperture."
4. Sigma 200-500mm f/2.8 EX DG Telephoto Zoom Lens - Canon Fit
   Price: £19,399.01 ( 31,987.0276 US$)
   
   • It can be used in various types of photography such as astrophotography, portraits, wildlife, sports. Easy to use, either handheld or on a tripod.
5. Canon EF 800mm f/5.6L IS USM Super Telephoto Lens
   Price: £10,359.14 ( 17,081.1859 US$ )
   
   • Never mind the price with its ultimate lens physical qualities and superb Image quality you will absolutely like it. It weighs 10lbs (4.5 kg) and is 18 inches long.
     
6. Sigma 300-800mm f/5.6 EX DG HSM
   Price: $9,999.00 on amazon
   
   • provides a constant fast maximum aperture throughout the entire zoom range
   • With multi-layer lens coating and lens designed to reduce flare and ghosting.
   • HSM Hyper Sonic Motor for Canon, Sigma and Nikon Mount Lenses which provides silent, high-speed and precise auto-focusing with full time manual focus override.
     
7. Sigma APO 300-800mm f/5.6 EX IF HSM Lens for Nikon
   Price:£7,273.99 ( 11,994.0821 US$ )
   
   • covers the telephoto range from 300mm to the ultra-telephoto range up to 800mm.
   • Fast maximum aperture.
     
8. Nikon 600mm F4G ED VR AF-S Nikkor Lens
   Price: £6,999.00 ( 11 540.6511 US$ )
   
   • With Nikon Nano Crystal Coat and a Meniscus protective glass element combine to reduce ghosting and flare.
   • Magnesium die-cast for a lightweight body with rugged construction.
   • with A/M mode which reduces the possibility of unintentional switching from Auto to Manual.
     
     
9. Canon EF 400mm f/2.8L Image Stabilization USM Lens
   Price: £6,659.34 ( 10 980.5857 US$ )
   
   • L Series lens made by Canon with image stabilizer designed for track and field sports, low-light nature and wildlife photography.
     
10. Nikon 400mm F2.8G ED VR AF-S Nikkor Lens
    Price: £6,499.00 ( 10 716.2011 US$ )
    
    • It also features (Nano Crystal) coating and meniscus protective glass elements to reduce flare and ghost effects.
    • With Nikon's Vibration Reduction (VR-II) function.

So if you are a professional photographer, you may wanna have these magnificent lenses, just take note of the price,well it worth the value though!