Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens

Model #SLY50063

USA Version
Bower sly50063 1
Bower sly50063 1
Bower sly50063 2
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Weight 1.43 lb (650 g)
Dimensions (dxl) Approx. 3.86 x 4.69" (98 x 119 mm)
Filter thread Front: 95 mm
Rear: 34 mm


Groups/elements 6/7
Diaphragm blades Not Specified By Manufacturer
Format compatibility 35mm Film / Full-Frame Digital Sensor
DSLR (APS-C Sensor)
Angle of view
Camera mount type T-mount (T-thread)
Minimum focus distance 6.1' (1.86 m)
Maximum reproduction ratio Not Specified By Manufacturer
Magnification Not Specified By Manufacturer
Aperture Maximum: f/6.3
Focal length 500 mm


Autofocus No
Image stabilization No
Tripod collar No
Product Highlights
  • Mirror Lens
  • Just 3.9" Wide & 4.7" Long
  • Accepts 95mm or 34mm Filters
  • Requires Camera-Specific T-Mount
In The Box
  • Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens
  • Front Cap
  • 1-Year Warranty
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