OM System M.Zuiko Digital ED 300mm f/4 IS PRO Lens for Micro Four Thirds Cameras
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Product highlights
In the box
In the box
Free standard shipping
Free standard shipping
*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy
Free Local Pickup
Free Local Pickup
Please call for store stock availability. Requests made before 2:30 PM EST can be available for next-day pickup. Learn more
The M.Zuiko Digital ED 300mm F4 IS PRO is a high-performance telephoto lens designed for bird, wildlife, and sports photography. Equipped with Sync IS image stabilisation, it ensures sharp, detailed images even at long distances when shooting handheld. With 0.48x magnification and a 1.4m minimum focusing distance, you can capture stunning telemacro close-ups of wildlife with exceptional clarity. The lens features an IPX1-rated splash-proof design, ensuring reliable performance in all weather conditions, while the high-speed MSC autofocus provides fast, precise focusing. Weighing just 1270g, this telephoto lens offers excellent portability without compromising image quality, making it the perfect companion for nature photographers who need a lightweight, reliable lens for on-the-go shooting.
Main Features
- 300mm focal length (600mm-35mm equivalent)
- F4.0 aperture, 9-blade circular aperture
- 5-Axis built-in image stabilisation
- Weighs 1.270g weight, has a length of 227mm and has 77mm filter diameter
- IPX1-rated weather-sealing, dust sealing, ZERO coating
- 17 elements in 10 groups
- 1.4m minimum focusing distance
- Up to 6 EV steps (5-axis Sync IS)
- Up to 4 EV steps (Lens IS)
- Maximum Image Magnification: 0.34x (tele), 0.67x (35mm equivalent)
- Minimum Field Size: 50.9 x 38.2mm (tele)
- Maximum Image Magnification: 0.48x (tele), 0.96x (35mm equivalent)
- Minimum Field Size: 36 x 27.1mm (tele)
Optics
| Maximum Aperture | f/4.0 |
| Focal Length Range | 300mm |
| Angle of View | 4.1° |
| 35mm Equivalent Focal Length | 600mm |
Recommended Uses
| Birds, Field Macro, Low Light, Macro, Nature, Sports, Travel, Wildlife |
Lens Construction
| Lens Configuration | 17 elements / 10 groups |
| Maximum Image Magnification | 0.24x (Micro Four Thirds) / 0.48x (35mm format) |
| ED Lens Elements | 3 Super ED |
| E-HR Elements | 1 |
| HR Elements | 3 |
| Focusing Method | High-speed Imager AF (MSC) |
| Closest Focusing Distance | 1.4m |
| Minimum Field Size | 72 x 54mm |
Aperture
| Maximum Aperture | f/4 |
| Minimum Aperture | f/22 |
| Number of Aperture Blades | 9 (Circular diaphragm for natural background blurring) |
Image Stabilizer
| Effective Compensation Range | |
| Type | VCM |
| Note | CIPA guideline compliant (as of Dec 2015, correction on yaw & pitch axes, halfway release image stabilization off) |
Professional Features
| Dust, Splash & Freezeproof (IP53 rated) | |
| Lens Hood Locking | Fixed Mounting |
| L-Fn Button | Available |
| MF Clutch | Available |
Converter Combinations
| MC-14 | |
| MC-20 |
Dimensions / Weight
| Diameter | 92.5mm |
| Length | 227mm (280mm with hood extended) |
| Filter Diameter | 77mm |
| Weight | 1270g (without tripod adapter), 1475g (with tripod adapter) |
Compatibility
| Compatible with Tele Converter MC-14 | Yes |
| Compatible with Tele Converter MC-20 | Yes |
| Operates with 5-axis Sync IS | Yes |
| Compatible with 50fps | Yes |
Cover / Cap
| Lens Cap | LC-77B |
| Lens Hood | Built-in |
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.







