Bower 500mm f/6.3 Manual Focus Telephoto Lens for Nikon

BH #BO50063N (B&H Kit)
Bower
Bower 500mm f/6.3 Manual Focus Telephoto Lens for Nikon
Key Features
  • Mirror Lens
  • Just 3.9" Wide & 4.7" Long
  • Accepts 95mm or 34mm Filters
The Bower 500mm f/6.3 Manual Focus Lens is a catadioptric mirror T-mount lens, delivered in this configuration with a T-mount for the Nikon F-mount cameras.  This lens is precision manufactured in South Korea.

When combined with the T-mount, this mirror lens mounts to any Nikon F-mount camera and works on both FX "full frame" cameras as well as the "APS-C" style DX digital SLR cameras.  However, the fixed f/6.3 aperture is not communicated to the camera body.  As such, you can use the lens in "M" manual exposure mode, or "A" aperture-priority mode upon certain cameras.

This lens has a broad diameter and stocky build, making it a bit easier to handle than a normal refractor lens.  It also has a much different rendering of out of focus areas than a normal lens; highlights will be doughnut-shaped rings with more saturation and contrast on the edge of the ring than on the center.

This lens is an ideal candidate for astrophotography use when mounted to a Vixen GP2 Photo Guider (or other motorized equatorial telescope mount).

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Bower 500mm f/6.3 Mirror Lens Overview

The Bower 500mm f/6.3 Manual Focus Lens is a catadioptric mirror T-mount lens, delivered in this configuration with a T-mount for the Nikon F-mount cameras.  This lens is precision manufactured in South Korea.

When combined with the T-mount, this mirror lens mounts to any Nikon F-mount camera and works on both FX "full frame" cameras as well as the "APS-C" style DX digital SLR cameras.  However, the fixed f/6.3 aperture is not communicated to the camera body.  As such, you can use the lens in "M" manual exposure mode, or "A" aperture-priority mode upon certain cameras.

This lens has a broad diameter and stocky build, making it a bit easier to handle than a normal refractor lens.  It also has a much different rendering of out of focus areas than a normal lens; highlights will be doughnut-shaped rings with more saturation and contrast on the edge of the ring than on the center.

This lens is an ideal candidate for astrophotography use when mounted to a Vixen GP2 Photo Guider (or other motorized equatorial telescope mount).

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

The Bower 500mm f/6.3 Manual Focus Lens is a catadioptric mirror T-mount lens, precision manufactured in South Korea.

When combined with the T-mount to fit your camera system, this mirror lens mounts to camera and works on both "full frame" cameras as well as the "APS-C" style digital SLR cameras.  T-Mounts are available for all the digital SLR systems, as well as for C-mount systems.  However, in every case the fixed f/6.3 aperture is not communicated to the camera body.  As such, you can use the lens in "M" manual exposure mode or "A" aperture-priority mode only.

This lens has a broad diameter and stocky build, making it a bit easier to handle than a normal refractor lens.  It also has a much different rendering of out of focus areas than a normal lens; highlights will be doughnut-shaped rings with more saturation and contrast on the edge of the ring than on the center.

This lens is an ideal candidate for astrophotography use when mounted to a Vixen GP2 Photo Guider (or other motorized equatorial telescope mount).

Fixed-aperture 500mm f/6.3 mirror lens in T-mount
Multicoated optics
Distinct out-of-focus highlight characterization
White lens barrel helps prevent heat retention
Accepts inexpensive 34mm filters (upon the rear of the lens)
Made in South Korea
UPC: 636980500010

Bower T-Mount to Nikon F Mount Adapter

The Bower T-Mount to Nikon F Mount Adapter allows you to mount T-mount lenses, telescopes, microscopes, and other optics to your Nikon F-mount camera body. When in use, automatic camera functions, such as autofocus and exposure control, will not be available and must be set manually.

UPC: 636980702841

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

Adapter
Focal Length500mm
Maximum Aperturef/6.3
Minimum Aperturef/6.3
Lens MountT-Mount
Format CompatibilityFull-Frame
Angle of View
Minimum Focus Distance6.1' / 1.86 m
Optical Design7 Elements in 6 Groups
Focus TypeManual Focus
Image StabilizationNo
Filter Size95 mm (Front)
34 mm (Rear)
Dimensions (ø x L)3.86 x 4.69" / 98.04 x 119.13 mm
Weight1.43 lb / 650 g
Packaging Info
Package Weight1.725 lb
Box Dimensions (LxWxH)7.15 x 4.7 x 4.65"

Bower T-Mount to Nikon F Mount Adapter Specs

Adapter
Camera MountNikon F
Lens MountT-Mount
Packaging Info
Package Weight0.08 lb
Box Dimensions (LxWxH)3 x 2.9 x 1.15"
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Is this mount compatible with a Canon FTb FD ...

Is this mount compatible with a Canon FTb FD mount?
Asked by: Jacqueline
No, you would need a T to FD adapter for this lens to fit on an FD mount camera.
Answered by: Zachariah
Date published: 2021-01-28

Can this lens be used with 95-mm close-up lenses ...

Can this lens be used with 95-mm close-up lenses for close-up/macro photography?
Asked by: Nicole
Yes, as the Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens has 95mm front filter threads, yes, you may use 95mm close-up filters on the front of the Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens to reduce the lens' focusing distance for close-up photography usage needs.
Answered by: Manzell
Date published: 2021-04-18

What is the diameter of the central obstruction?

What is the diameter of the central obstruction?
Asked by: Nicole
43mm.
Answered by: Rob
Date published: 2021-05-15

question

Can I connect it to 8-12 micron IR camera ?Eli Oron.
Asked by: Anonymous
It would depend on the type of mount that the camera has. There are adapters that you can purchase to convert from a T mount to a C mount but B&H does not carry them. Please feel free to email our team at [email protected] with your specific camera.
Answered by: Zev B
Date published: 2018-08-27

What hood fits the Bower 500mm f/6.3 lens?

What hood fits the Bower 500mm f/6.3 lens?
Asked by: David
Those hoods cost almost as much as the lens itself. Does B&H (or anyone else) offer a lower-cost alternative?
Answered by: David
Date published: 2020-08-11

What is the design of this lens? Is it a ...

What is the design of this lens? Is it a Schmidt-Cassegrain?
Asked by: Nicole
The Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens would be a reflex (reflective) or catadioptric lens. While I have not found any confirmation, viewing the lens' optical path, it is similar in design to a Schmidt-Cassegrain optic design.
Answered by: Manzell
Date published: 2020-09-08

question

Is this a good choice for astrophotography? Because my telescope is soft in near focus but in the moon or deep sky objects it becomes very sharp. Also the catadioptric arrangement is common for telescopes.
Asked by: dario h.
For the price I paid, I will not expect too much for that. you are able to take the moon, but do not expect to see the detail like NASA picture. I buy this just for flower in the pond with donut light reflection.
Answered by: Tan P.
Date published: 2018-08-27

question

What will be the adapter for M43 cam (EM10 & EM5ii) ?Vello T Mount Lens to Micro Four Thirds Camera Adapter (B&H # VELAMFTT MFR # LA-MFT-T) is the correct one ?
Asked by: EngHuat T.
The Vello T Mount Lens to Micro Four Thirds Camera Adapter will enable one to mount the Bower 500mm f/6.3 Manual Focus Telephoto T-Mount Lens onto a micro four thirds camera, yes.
Answered by: Christina S.
Date published: 2018-08-27
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