Modern Classic SLR Series :
Canon EOS-1N Series AF SLR camera
Canon EF lenses for Macro Photography - 100mm f/2.8 USM MACRO autofocus lens

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Canon EF 100mm f/2.8 Macro USM autofocus telehoto lens Here is another very versatile macro lens with a focusing capability from infinity down to life-size (1X) reproduction without any need of attaching an accessory. In comparison to the 50mm EF Macro, this is the most significant difference in addition to provide a moderately good free working distance between lens and the subject.

Canon EF 100mm f/2.8 MACRO USM
For those who often engage in macro photography will probably understand what these can bring to them when working on the field. Singular flash or multiple setup could not have been easier with the extra working room, the subject like insects can be accessible easier (or safer for photographer on hazardous objects); the perspective, depth of field control and out of focus blur should be rendered more naturally and yet maintains a constant aperture of f/2.8 (50mm with the macro converter EF will reduce f/2.5 to an f-stop) in this all-in-one lens package.

Similarly, this reasonably compact Canon tele-Macro would act as an excellent medium telephoto for all round general photography. Be it for portraiture, scenic, scientific, industrial or a good companion lens for traveling due to its versatility.
Credit: Image courtesy of Laura Kornylak ® <shutterblade@comcast.net> from shutterblade*com where the Company has a website on its own. Image copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.

Possibly due to the fact previous generation of the Canon FD era, the Company has never actually produced a fast speed 100 tele-macro optic (available was a FD 100mm f/4.0 MACRO). So, the EF lens development of an entirely new lens has given optical designers a free approach in determine the essential lens specification. Canon actually has paid great attention in deciding what should and shouldn't be in as they may has also noted its market potential and thus, it has been incorporating with a floating element optical design that insures uniform sharpness and contrast be extended to closest to normal focusing distances or at infinity setting. Further, this lens has a ultrasonic motor *USM) configuration and helps to reduce noise level due to its potential applications. It is a well made and the lens barrel is industrial paint coated for both resistance to wear and projects a professional feel. One of the practical design is the generously wide three segments grip of the manual focusing ring as most often with longer focal length at macro photography, autofocus may not be always precise as there could be less distinguished in outlines due to extremely narrow depth of field, where manual focusing will be at call.

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The close-up limit of this lens is 12.4 inches (31 cm) from the film plane. It has a delightful feature in avoiding a camera such as EOS-1N's AF system from running back and forth seeking the entire focus range between 12.4 inches to infinity, where it can limit focusing range to, say 12.4 to 22.8 inches (31 to 57 cm). This brings advantages such as time saving, lesser power consumption and aggravation when close-ups are taken. For EOS camera models that equipped with depth-of-field control it facilitates easier control for such kind of usage. For EOS cameras that has multi-AF sensors selection which close focuses down to a magnification ratio of less than 1:8, always make use of individual point to make focus selection rather than depends on dead center or using focus lock control.

Photo Credit: Image courtesy of my countryman, Chan Siew Khee® , who has his own Portfolio at Pbase. Image copyright © 2006. All rights reserved. Please respect the visual property of the contributing photographer.

EF100mmf28MACRO Original version
The Canon Original EF 100mm f/2.8 Macro Marketed 1990; Discontibued: 2000

Possibly first debut back in 1990/91 to supplement the
EF 50mm f/2.5 Compact Macro. It was an non-USM version. A medium telephoto macro lens offering a generous working distance and close-up magnifications up to life size (1:1) without accessory. The optical system is divided into two sections. The front group is a gauss type lens group which greatly reduces changes in aberration due to changes in focusing distance. The fixed rear group is designed as an extender. This construction both reduces the lens extension amount and achieves extremely high image quality at all shooting distances.

Discontinued Canon Product icon
Focal length and maximum aperture: 100mm f/2.8 Lens construction: 10 elements in 9 groups Angle of view: 24* Focus adjustment: Front group linear extension system with Micromotor. Closest focusing distance: 0.31 m/1 ft but uses standard 52 mm filter accessories. The manual focusing ring is different and was improved later.

For those of you who may be trying to acquire a lens type such as this, the main visual difference between the new and older version of the Canon 100mm f/2.8 MACRO is via the golden ultrasonic ring indication near the filter ring; next, the manual focusing ring is different (see pictures below of the current USM lense). Last, the dimension of the older Canon MACRO lens is slimmer and uses standard 52mm filter attachment while the newer USM version uses 59mm diameter filters.

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Fine Art

Credit: Image courtesy of Eldor Gemst from Montreal, Canada. where you can access his PORTFOLIO. Image copyright © 2006. All rights reserved. Please respect the visual property of the contributing photographer.

Technical Specification for Canon EF 100mm f/2.8 MACRO (original version): -

Type: - Autofocus lens type with manual focusing mechanism
Focal Length: 100mm
Focus Adjustment:- Autofocus. Front group linear extension system with Micromotor
Manual Focusing:- possible via AF/MF switch and manual focusing ring
Zoom Adjustment:- Nil. Fixed Focal Length Lens
Closest Focusing Distance:- 0.31m (1.0 ft) film plane to subject
Maximum Magnification:- 1X (1:1)
Drive System:- AFD (
not USM for this version)
Distance Scales: Provided via window on metres/feet.
Angle of View
:- 20° 14° 24° (horizontal, vertical and diagonal)

EF100mmf28Macro_optic.gif
Lens construction:- 10 Elements in 9 Groups
Aperture range:- f/2.8 - f/32
Number of Diaphragm Blades: - 8 blades
Minimum Aperture: - f/32
Filter Attachment Size:- 52 mm
Diameter:- 105.3 x 75.0mm ( 4-1/8" x 2-15/16")
Weight:- 650g/22.8 oz.
System Accessories:- Extension Tube EF12 1.38XX; Extension Tube EF25 - not applicable; Lens Cap E52; Hard lens case LH-B12; Soft case ES-C13.
Seperator line

Canon EF100mm f/2.8 MACRO USM (Market: 03.2000; Current Version)

The current version has a larger dimension 78.6 x 118.6mm, with a larger 58mm filter attachment size but actually weighs lighter at 580g. It has an entirely new optical design and so does physically Optically, the 12 elements in 8 groups optical formula comes with a three-group floating system for exceptional close-up performance. Inner focusing affords a long working distance of 5.9in. (149mm) at 1x. It is also the first lens in its class to feature inner focusing which means there is no physical extension of the lens - even when extended to life size magnification. It incorporates with a secondary diaphragm which aims to block stray light at its widest aperture at f/2.8, hence, improving contrast when shooting the lens at wide-open. The Ultrasonic Motor (USM) provides smooth, swift and quiet AF speed/operation. The wide manual focusing ring was also being improved upon from older version for smooth action, and full-time manual focus even in AF mode.

a little closer on macro.. by Joshua Ong 64k Jpeg, Loading .....
Photo Credit: Image courtesy of Dr. Joshua Ong ® ô who has his Portfolio at Pbase. Image copyright © 2006. All rights reserved. Please respect the visual property of the contributing photographer.

For those who may not be familiar with the Nikon system, the Canon tele-maxro does remind me of the
Micro-Nikkor 105mm f/2.8D (and some third party labels of similar lens types). I guess more or less due to computerized design which helps a great deal in expressing optical designer's imagination and user's desire which makes both share some some physical similarities The Canon USM and full electronic interface leads the trend in modern camera/lenses design but as one got hook to a particular system it is good to see both systems have a distinctive optical lense at this specific area for photographer =to make good use of them.. The Canon MACRO update has a far improved cosmetic from the previous version. It is rigidly built and due to employment of a massive

Canon_EF100mmf28Macro_usm.jpg

Credit: Image courtesy of Laura Kornylak ® <shutterblade@comcast.net> from shutterblade*com where the Company has a website on its own. Image copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer. Credit: Images courtesy of KEA-Photo, Hong Kong. KEA-Photo® has an online shop selling various photographic equipment at the popular Store at Ebay. Image copyright © 2004. All rights reserved.

In the hands and mind of a good photographer, the potential posts with this optical marvel can be limitless. For an instance, there are many system accessories you can mate with the lens with, the Macro Ring Lite ML-3 is a good companion accessory when ambient light level drops to effective selection of shutter speed or you need to create modeling light to a dull scene. The ML-3 can be attached directly to the front of the lens, if other options are desirable rather than evenly distributed light onto subject, using several compatible TTL Speedlites. with sync cables are encouraged. For certain EOS cameras such as Canon EOS-1N RS and Canon EOS RT which permit TTL real time flash operation, this can be good experience and more precise in determining the modeling ratio via test flash. Magnification with Extension Tube EF 12: 1.19x - 0.12x Magnification with Extension Tube EF 25: 1.39x - 0.26x; so, you can actually make use of others to explore further in your photography.

Technical Specification for Canon EF 100mm f/2.8 MACRO USM telephoto lens: -

Type: - Autofocus lens type with manual focusing mechanism
Focal Length: 100m
Focus Adjustment:- Autofocus with USM

CanonEF100mmf28MACRO_Side.jpg
Manual Focusing:- possible via AF/M switch and full-time manual focusing possible via focusing ring
Zoom Adjustment:- Nil. Fixed Focal Length Lens
Closest Focusing Distance:- 0.31m (1.0 ft) film plane to subject
Maximum Magnification:- 1X (1:1)
Drive System:- Ring-type USM equipped with full-time manual focusing
Distance Scales: Provided via window on metres/feet.
Angle of View:- 20° 14° 24° (horizontal, vertical and diagonal)
Lens construction:- 12 Elements in 8 Groups
Aperture range:- f/2.8 - f/32

Autofocus and manual focus switching
Number of Diaphragm Blades: - 8 blades
Minimum Aperture: - f/32
Filter Attachment Size:- 58 mm
Others: - Macro magnification scales provided.
Diameter:- 78.6 x 118.6mm ( 3.1" x 4.7")
Weight:- 580g/1.3lb
System Accessories:- Extension Tube EF12 (II) 1.19X~0.12X; Extension Tube EF25 (II) 1.39X~.26X; Lens Cap ET-67; lens case LP1219; Gelatin Filter Holder III 4and IV:- 4; Optional tripod ring (Tripod Mount B)

Sigma_Macro_105mm.jpg

Tamron90mMacro.gif

Tokina_atx100afmacro.jpg

Vivitar_100af_macro.jpg

Street Price: approx. USD350-400-00

Street Price: approx. USD480-00

Street Price: approx. USD400-00

Street Price: approx. below USD200-00


Comparing third party options: - Canon tele-macro 100mm f/2.8 approx. street price: USD$450-700-00; Information and reviews (external)
Sigma AF 105mm f/2.8 EX macro DG; The Tokina AT-X M100 AF 100mm f/2.8 PRO AF Macro; Tamron SP AF 90mm F/2.8 Di Macro 1:1; Vivitar 100mm f/3.5 MACRO

Basic Set up for Canon EF 100mm f/2.8 MACRO USM

Sear section of EF100mm f/2.8 MACRO USM lense.


Credit
: Image courtesy of Laura Kornylak ® <shutterblade@comcast.net> from shutterblade*com where the Company has a website on its own. Image copyright © 2003. All rights reserved. Please respect the visual property of the contributing photographer.



Other Canon macrophotography lens alternatives: EF 50mm f/2.5 Compact MACRO w/ Life Size Converter EF | EF 100mm f/2.8 MACRO | EF 180mm f/3.5L MACRO | Canon MP-E 65mm f/28 MACRO Photo | External Link: - Canon EF-S 60mm f/2.8 USM Macro (linked to www.photozone.de Review with evaluative MTF analysis) | Relative: - Canon FD Macro Lenses 20mm 35mm 50mm 100mm 200mm or older S.S.C. range of macro lenses + Main Index Page on Canon FD lens Resources

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Depth of Filed Chart for EF 100mm MACRO
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Bees and Harvest - Images.com.my Pricey Thai Amulet, LP Ngrn first version

Esther Foo at 2006

OFF TOPC:- I think I am the only web developer to use own daughter to get an illustration...for a website. This was much due to the fact of a less desirable response for contributing images. Anyway, what I tried to emphasize is, the Canon 100mm f/2.8 MACRO USM can be use for other general application such as portraiture or other forms of application in your works. The aged Buddhist artifact from Thailand at left is a first generation of an very rare, well preserved LP Ngern which could cost a pricey ONE million Thai bahts each in such perfect state couldn't be clearer with lenses of this kind for this purpose.

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Special Credit:- :Mr. Richard Yeow & Mr. Simon Wong from camera division of Canon Malaysia Logo Marketing Malaysia, for their continual effort in supporting development of this EOS/EF website. Others: All the nice people on earth who have contributed their photos and pictures of personal works or product shots for the creation of this site. Certain content and images appeared in this site were either scanned from official marketing leaflets, brochures published by Nikon and/or contribution from surfers who claimed originality of their own work for public publishing in this website, where majority of the extracted information are used basing on educational merits. The creator of this site will not be responsible for any discrepancies that may arise from any possible dispute except rectifying them after verification from respective source. Neither Nikon or its associates has granted any permission(s) in using their public information nor has any interest in the creation of this site. "Canon", "EOS", "EF" "RT", "EOS-1n RS", "Booster ", "Macrolite", "fluorite", "Image Stabilizer" & other applicable technical/business terms are registered trade name(s) of Canon Inc., Japan. Site made with an Apple G5 IMac.