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Quantaray 100-300mm f/4.5-6.7 LDO Lens

The Quantaray 100-300mm f/4.5-6.7 is a 100–300mm f/4.5 lens designed for Canon EF, Nikon F, Sony A mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Quantaray 100-300mm f/4.5-6.7 LDO Lens

Quantaray 100-300mm f/4.5-6.7 LDO Lens

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Lens Overview — Quantaray 100-300mm f/4.5-6.7

The Quantaray 100-300mm f/4.5-6.7 LDO is a telephoto zoom lens built for full-frame DSLR systems, covering a focal range of 100mm to 300mm. With a maximum aperture of f/4.5 at the wide end, it gives photographers meaningful reach into the telephoto range without requiring a dedicated prime lens. The lens supports both autofocus and manual focus operation, offering flexibility depending on the shooting situation.

It is compatible with Canon EF, Nikon F, and Sony A mounts, making it accessible to a broad range of DSLR users without needing additional adapters. The 58mm filter thread is a common size, so existing filter collections are likely to be compatible. Weighing in at 520g, it sits on the lighter end of the telephoto zoom category, which can be a meaningful advantage during extended handheld shooting sessions.

As a full-frame lens, it projects an image circle large enough to cover full-frame sensors, though it will function on crop-sensor bodies as well. There is no image stabilization on this lens, which is worth factoring in when shooting at the longer end of the zoom range. Overall, it is a straightforward telephoto zoom option for DSLR shooters across three major mount systems.

Key Features — Quantaray 100-300mm f/4.5-6.7

100-300mm Telephoto Zoom: Covers a versatile telephoto range suitable for wildlife, sports, and distant subjects without switching lenses.

f/4.5-6.7 Variable Aperture: Widest aperture of f/4.5 at 100mm provides reasonable light gathering at the short end of the zoom range.

Autofocus & Manual Focus: Supports both AF and MF operation, giving shooters flexibility across different shooting situations.

Three-Mount Compatibility: Available in Canon EF, Nikon F, and Sony A mounts, covering most major DSLR systems without adapters.

Full-Frame Coverage: Projects an image circle large enough for full-frame sensors while remaining fully usable on APS-C crop bodies.

58mm Filter Thread: A common filter size that is likely compatible with filters already in many photographers' collections.

Lens Specifications — Quantaray 100-300mm f/4.5-6.7

Quantaray 100-300mm f/4.5-6.7 full specifications
SpecDetail
Use CasesWildlife, Sports, Travel
Lens TypeZoom
FormatFull Frame
Zoom/PrimeZoom
Focal Length100–300mm
Maximum Aperturef/4.5
Camera SystemDSLR
Lens MountCanon EF, Nikon F, Sony A
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread58mm

Description — Quantaray 100-300mm f/4.5-6.7

The Quantaray 100-300mm f/4.5-6.7 LDO is a zoom telephoto lens with a focal range of 100mm to 300mm, designed for full-frame DSLR systems. It opens to a maximum aperture of f/4.5 at the wide end of the zoom range. The lens is available in Canon EF, Nikon F, and Sony A mounts, offering broad compatibility across major DSLR platforms.

Both autofocus and manual focus are supported, giving shooters control over how the lens acquires focus depending on the scene. With a 58mm filter thread, it works with standard screw-in filters that are easy to source. The lens weighs 520g, making it a manageable choice for photographers who shoot handheld for extended periods.

It is worth noting that no image stabilization is included, so technique and support equipment become more important at longer focal lengths. This lens is categorized as a telephoto zoom and suits DSLR shooters looking for reach across three popular mount systems.

Pros — Quantaray 100-300mm f/4.5-6.7

  • ✓Wide mount compatibility covering Canon EF, Nikon F, and Sony A systems
  • ✓Full-frame coverage makes it suitable for a broad range of DSLR bodies
  • ✓100–300mm focal range provides useful telephoto reach

Cons — Quantaray 100-300mm f/4.5-6.7

  • ✗No image stabilization, which can be a challenge at 300mm handheld
  • ✗Maximum aperture narrows to f/6.7 at the long end, limiting low-light performance
  • ✗Variable aperture across the zoom range reduces exposure consistency

Resources & Downloads — Quantaray 100-300mm f/4.5-6.7

Frequently Asked Questions — Quantaray 100-300mm f/4.5-6.7

Which camera mounts is this lens compatible with?+
The Quantaray 100-300mm f/4.5-6.7 LDO is available in Canon EF, Nikon F, and Sony A mounts. This covers a wide range of DSLR bodies from those three manufacturers without requiring any adapters.
Does this lens work on full-frame cameras?+
Yes, the lens format is specified as full frame, meaning it is designed to cover full-frame sensors. It will also function on crop-sensor DSLR bodies within the supported mount systems.
Does the lens have image stabilization?+
No, the specifications list image stabilization as None. Shooters using this lens at longer focal lengths may want to use a tripod or monopod to help manage camera shake.
What filter size does this lens use?+
The lens has a 58mm filter thread, which is a widely available size compatible with most standard screw-in filters for polarizers, ND filters, and UV filters.
Can I use autofocus with this lens?+
Yes, the lens supports autofocus as well as manual focus. The focus type is listed as both Auto and Manual, giving shooters the flexibility to switch depending on the subject and shooting conditions.
How heavy is this lens?+
The Quantaray 100-300mm f/4.5-6.7 LDO weighs 520g. This makes it a relatively lightweight option in the telephoto zoom category, which can be beneficial for extended handheld shooting.

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