Bower 500mm f/8.0 Manual Focus Telephoto T-Mount Lens

Model #SLY5008

Bower Warranty - USA Version
Bower sly5008 1
Bower sly5008 1
Bower sly5008 2
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User Reviews
B h photo.34921152
24 June 2015

On recieving my Bower 500mm f8 mirror lens I did a quck comparison with my Sigma 70-200mm f2.8 and the mirror lens came a poor second best. The day was overcast and the lighting flat. The Bower showed a distinct vignetting and the image was really lacking in contrast.

B h photo.34921152
18 November 2010

I just tested this new baby out, it's super light for a tele lens. I've already get info from internet about pro-cons of mirror lens and they are true, so it doesn't surprise me about the slightly less contras, doughnut bokeh - which is for me is a plus/uniqueness.

B h photo.34921152
25 February 2012

Work well with my Nikon D80. It is very light, usefull when travelling.

B h photo.34921152
10 July 2009

This lens works great. It is a mirror lens and has all the good and bad that goes with it. This lens is very clean and very smooth. Takes great critter pictures in the bush.

20 July 2017

For the price; it's ok. The image is acceptable but not brilliant. Given the fixed aperture; there is no adjustment you can do with regard to depth of field etc. and as it is a manual lens; you have to rely on the camera's focus assistance to determin the accurate focus is reached.

B h photo.34921152
13 September 2015

The lens is fun to play with. The build quality is good. However, the images produced with this lens are very low contrast with washed out colors, and vignette is too pronounced for my taste. The lens is also simply not sharp at any distance.

23 June 2015

Did not fit the camera

B h photo.34921152
14 June 2012

Must have good light. You can't beat the price!

B h photo.34921152
6 March 2012

I bought one of these Bower 500mm f/8.0 lenses and I wish that I had saved my money for a better lens. This lens is a mass produced piece of junk that does not let in enough light to allow you to take decent quality photos and using a 2.0 X teleconverter with it only lessens the amount of light...

B h photo.34921152
16 June 2011

Great product, enjoying it on my camera and taking awesome photos Thanks a million.

Product Highlights
  • Mirror Lens
  • Just 3.0" Wide & 3.5" Long
  • Accepts 30.5mm Filters
  • Requires Camera-Specific T-Mount
In The Box
  • Bower 500mm f/8.0 Manual Focus Telephoto T-Mount Lens
  • Front and Rear Lens Caps
  • Carry Pouch
  • 30.5 mm Filter Set: Skylight, ND-2X, ND4X
  • Instruction Booklet
  • 1-Year Warranty
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