Canon EF 300mm f/2.8L IS II USM Lens

BH #CA30028LIS2 • MFR #4411B002
Canon EF 300mm f/2.8L IS II USM Lens
Key Features
  • EF-Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to f/32
  • Two Fluorite Elements
  • Sub Wavelength Coating
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Versatile due to its mid-telephoto focal length and bright maximum aperture, the Canon EF 300mm f/2.8L IS II USM is also distinguished by its high-speed performance and intuitive handling to suit its use in a wide variety of working conditions. As an L-series lens, this tele prime of course features an advanced optical design; two fluorite elements are used to reduce color fringing and chromatic aberrations for high clarity and color accuracy and a Sub Wavelength Coating has been applied to individual elements to suppress flare and ghosting for increased contrast and color neutrality when working in backlit conditions. The fast f/2.8 maximum aperture also enables extensive control over depth of field for isolating subjects using selective focus, and it also benefits working in difficult lighting conditions.
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Canon EF 300mm f/2.8L IS II USM Overview

Versatile due to its mid-telephoto focal length and bright maximum aperture, the Canon EF 300mm f/2.8L IS II USM is also distinguished by its high-speed performance and intuitive handling to suit its use in a wide variety of working conditions. As an L-series lens, this tele prime of course features an advanced optical design; two fluorite elements are used to reduce color fringing and chromatic aberrations for high clarity and color accuracy and a Sub Wavelength Coating has been applied to individual elements to suppress flare and ghosting for increased contrast and color neutrality when working in backlit conditions. The fast f/2.8 maximum aperture also enables extensive control over depth of field for isolating subjects using selective focus, and it also benefits working in difficult lighting conditions.

Beyond the optical layout, this 300mm f/2.8 is also characterized by its four stop-effective Image Stabilizer system, which has three separate stabilization modes to suit various shooting applications. Also complementing handling is a sophisticated ring-type USM, which provides quick, quiet, and accurate autofocus performance along with full-time manual focus override. Additionally, this lens is weather-sealed for use in trying environmental conditions and it has a removable rotating tripod collar to benefit working atop a tripod or monopod.

Super telephoto prime is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 480mm equivalent focal length.
Fast f/2.8 maximum aperture benefits working in low-light conditions and also affords significant control over depth of field for working with selective focus techniques.
Two fluorite elements are used to greatly reduce color fringing and chromatic aberrations in order to achieve greater clarity and color accuracy.
A Sub Wavelength Coating has been applied to individual elements to control lens flare and ghosting for greater contrast and color fidelity when working in strong lighting conditions.
An Optical Image Stabilizer helps to minimize the appearance of camera shake by up to four shutter speed stops to better enable working in low-light conditions and with slower shutter speeds. Three distinct IS modes are available: standard single-shot mode, a panning-optimized mode, and a mode that only activates the Image Stabilizer during the exposure.
A ring-type Ultrasonic Motor (USM), along with optimized focusing algorithms and a high-speed CPU, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
Focus Preset function is available to quickly recall a programmed focusing position.
Focus Limiter switch lets you constrain the focusing to three different ranges to suit different applications.
A Power Focus setting is available, and allows you to electronically and smoothly adjust your focus position to suit video recording. This setting utilizes a dedicated ring in front of the main focusing ring and allows you to use one of two different focusing speeds.
Rounded nine-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.
As a member of the esteemed L-series, this lens is sealed against dust and moisture for working in inclement environmental conditions.
Removable rotating tripod collar is included and benefits working with the lens atop a tripod or monopod.
Compatible with optional EF 1.4X and EF 2X teleconverters.
UPC: 013803122169

Canon EF 300mm f/2.8L IS II USM Specs

Focal Length300mm
Maximum Aperturef/2.8
Minimum Aperturef/32
Lens MountCanon EF
Format CompatibilityFull-Frame
Angle of View8° 15'
Minimum Focus Distance6.56' / 2 m
Maximum Magnification0.18x
Optical Design16 Elements in 12 Groups
Diaphragm Blades9, Rounded
Focus TypeAutofocus
Image StabilizationYes
Tripod CollarRemovable and Rotating
Filter Size52 mm (Drop-In)
Dimensions (ø x L)5.04 x 9.76" / 128 x 248 mm
Weight5.29 lb / 2.4 kg
Packaging Info
Package Weight15.6 lb
Box Dimensions (LxWxH)19.5 x 15.2 x 15"
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Does this open up at f/2.8 at maximum zoom?

Does this open up at f/2.8 at maximum zoom?
Asked by: Michael
It's a fixed 300mm at 2.8. In short, there isn't any zoom on this prime lens.
Answered by: Joe
Date published: 2021-03-24

Would this lens perform well for ...

Would this lens perform well for Astrophotography?
Asked by: David
Yes many people have used a 300mm f2.8 lens for astrophotography.
Answered by: Dan
Date published: 2021-03-18

question

What is the resolving power for this lens? Im concerned that the quality might suffer at 50 mp or the rumored 60+ no with the new Canon 5d sr II?
Asked by: Steven K.
The MTF charts for this lens version are available at Canons website and will provide an understanding of the resolving power of the lens. I wish BH Photo would include the MTF charts https://www.usa.canon.com/internet/portal/us/home/products/details/lenses/ef/telephoto/ef-300mm-f-2-8l-is-ii-usm
Answered by: David
Date published: 2021-03-18

Can this lense be used for astro photography?

Can this lense be used for astro photography?
Asked by: roxanne
Yes, optical quality is very good.
Answered by: Rob
Date published: 2021-01-18

With the recent favoritism ot mirrorless cameras ...

With the recent favoritism ot mirrorless cameras over DSLR cameras, and lens, is there a reason of concern of longevity of this lens as to camera mount with future camera mounts?
Asked by: Steve
I have a R5 and it works perfectly with an adaptor ...no problems at all .use it with my 300 2.8 my 500 f4 both version 1 models ..very old but work better than with my DSLR. well the camera is the best in the world now ..but if you go mirrorless you will not have to buy new glass ..trust me on this . the 300 2.8 that I have is one of the sharpest lens ever built by canon .. the newer 300 2.8 ef l would also be extremely sharp and blow your mind ... even with a 1.4 tele converter it is the sharpest lens in my bag .
Answered by: Anonymous
Date published: 2020-12-01

Is anyone using this with the 90D, and if so, ...

Is anyone using this with the 90D, and if so, what kind of result?
Asked by: Syed
This lens works very well with the 90D.
Answered by: Rob
Date published: 2020-09-21

question

I see that this has a Rear Filter Thread of 52mm. I'm not familiar with Rear Filter Threaded lenses, all of mine have front threads. Is there not a way to put a filter on the front of the lens to help protect it?
Asked by: Floyd S.
This lens does not have rear filter threads. I uses a drop in 52mm filter. It is built into the lens but if you squeeze the connector together you can remove it and swap it out if needed with another filter.
Answered by: Robert
Date published: 2019-09-17

question

Odd question but....for you sport photographers out there, I see some of you said this lens is great compliment to the 70-200 2.8L ii, which is exactly how I will use it. Carrying both these cameras will be a lot for me (small frame female) and I feel like a monopod will be necessary for the 300mm. Any practical suggestions for managing both cameras during a nighttime football game? I can handle the weight of the 70-200 just fine without a monopod. Many thanks in advance!
Asked by: Shelley B.
I use a monopod w/neckstrap for my 300/f2.8 and a holster system made by Cotton Carrier for my 70-200. Been doing it for 9 years. I'm 72 and can get through a 2½ hour football game with no problems. If it isn't raining. Or snowing. Or blowing sideways.
Answered by: Geoff
Date published: 2019-04-01
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