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Bower 500mm f/8 Preset MF Telephoto Lens with T-Mount

The Bower 500mm f/8 is a 500mm f/8 lens designed for T-Mount mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Bower 500mm f/8 Preset MF Telephoto Lens with T-Mount

Bower 500mm f/8 Preset MF Telephoto Lens with T-Mount

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Lens Overview — Bower 500mm f/8

The Bower 500mm f/8 Preset MF Telephoto Lens is a manual-focus prime lens designed for DSLR camera systems. With a fixed focal length of 500mm, it falls firmly in the super telephoto range, making it a compelling option for photographers interested in shooting distant subjects such as wildlife, sports, or celestial objects. The lens is built around a T-Mount interface, which means it can be paired with virtually any DSLR camera body through the appropriate T-Mount adapter, giving it broad compatibility across camera systems.

At f/8 maximum aperture, exposure settings will need to account for the relatively modest light-gathering capability, so shooting in well-lit conditions or using a tripod is recommended. Speaking of which, the lens ships with an attached tripod ring, which is a practical inclusion given the focal length and the manual-only operation. There is no image stabilization on board, reinforcing the case for mounting it on a tripod or monopod during use.

Weighing in at 480g, it is reasonably manageable for its focal length class. The 30.5mm filter thread size is worth noting when sourcing compatible filters. Manual focus is the sole focusing method, requiring patience and practice, particularly at 500mm where depth of field is quite shallow even at f/8.

Key Features — Bower 500mm f/8

500mm Prime Focal Length: Fixed super telephoto reach suited for distant subjects like wildlife, birds, and celestial photography.

T-Mount Compatibility: Universal T-Mount interface allows the lens to be adapted to virtually any DSLR camera system with the appropriate mount adapter.

Full-Frame Coverage: Image circle covers full-frame sensors, making it usable on both full-frame and crop-sensor DSLR bodies.

Manual Focus Only: Preset-style manual focus ring requires hands-on focusing, which demands practice at 500mm where depth of field is very shallow.

f/8 Maximum Aperture: Fixed maximum aperture of f/8 means the lens performs best in bright outdoor conditions or when mounted on a tripod with adjusted exposure settings.

Included Tripod Ring: Attached tripod collar helps balance the lens properly on a support system, which is strongly recommended given the focal length and lack of stabilization.

Lens Specifications — Bower 500mm f/8

Bower 500mm f/8 full specifications
SpecDetail
Use CasesWildlife, Birding, Astrophotography, Sports
Lens TypeTelephoto
FormatFull Frame
Zoom/PrimePrime
Focal Length500mm
Maximum Aperturef/8
Camera SystemDSLR
Lens MountT-Mount
AutofocusNo
Focus TypeManual
Image StabilizationNone
Filter Thread30.5mm

Description — Bower 500mm f/8

The Bower 500mm f/8 Preset MF Telephoto Lens offers a 500mm fixed focal length in the super telephoto range, purpose-built for DSLR camera systems. It connects via a T-Mount interface, allowing photographers to adapt it to a broad range of camera bodies with the correct mount adapter. The lens covers a Full Frame image circle, making it suitable for both full-frame and smaller sensor DSLR bodies.

With a maximum aperture of f/8, the lens works best in good lighting conditions, and its manual focus operation means the photographer has full control over focus adjustments. There is no image stabilization, so an included tripod ring is a welcome practical feature for keeping shots sharp at this focal length. Weighing just 480g, it stays relatively light for its class.

A 30.5mm filter thread accommodates compatible filter accessories.

Pros — Bower 500mm f/8

  • ✓500mm super telephoto prime focal length opens up long-range shooting opportunities
  • ✓T-Mount design enables use across a wide range of DSLR camera systems with appropriate adapters
  • ✓Full Frame format coverage means it can be used on both full-frame and smaller sensor bodies

Cons — Bower 500mm f/8

  • ✗Maximum aperture of f/8 limits light-gathering ability, restricting use in lower-light conditions
  • ✗Manual focus only with no autofocus capability, demanding more skill and time to achieve sharp results
  • ✗No image stabilization, making handheld shooting at 500mm particularly challenging

Reviews — Bower 500mm f/8

Videos — Bower 500mm f/8

The CHEAPEST 500mm Lens for WILDLIFE - How Good Can it be? — Olle Nilsson

Resources & Downloads — Bower 500mm f/8

Manuals & Guides

Frequently Asked Questions — Bower 500mm f/8

What camera systems is this lens compatible with?+
The lens uses a T-Mount interface, which means it is compatible with DSLR camera systems when paired with the appropriate T-Mount adapter for your specific camera brand. The lens itself is listed as compatible with the DSLR camera system category.
Does this lens support autofocus?+
No, this lens is manual focus only. Autofocus is not supported, so you will need to adjust focus manually, which requires care at 500mm due to the narrow depth of field.
Is image stabilization included?+
No, image stabilization is listed as None on this lens. Using a tripod or monopod is strongly advisable to maintain sharpness at this focal length.
What is the filter thread size on this lens?+
The filter thread size is 30.5mm. Be sure to source filters that match this specific size, as it is smaller than many common filter thread sizes.
Can this lens be used on a full-frame camera body?+
Yes, the lens format is listed as Full Frame, so it is designed to cover a full-frame sensor. It can also be used on APS-C DSLR bodies with the appropriate T-Mount adapter.
How heavy is this lens?+
The lens weighs 480g, which is relatively manageable for a 500mm super telephoto prime. However, given the focal length and the absence of image stabilization, mounting it on a tripod or monopod is still recommended.

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