The FE 100mm f/2.8 GM OSS is a premium sony macro lens designed for critical sharpness and refined bokeh. It delivers the reach and control macro shooters need, whether you’re documenting marine life with a sony underwater camera setup or creating precise product and portrait details on land.
Photographers often compare working distance and handling to the renowned sony 90mm macro. This 100mm option adds extra subject separation and comfortable space for lighting—ideal for shy subjects and clean backgrounds.
- 1.4x max. magnification in Sony's Versatile FE 100mm F2.8 Macro GM OSS.
- Up to 2.8x magnification with optional teleconverter
- Breathtaking G Master resolution and bokeh
- Refined optical image stabilization minimizes macro shake
- Four XD Linear AF motors for fast, precise, quiet AF
- Focus operation optimized for macro shooting
- Extra durability and reliability for challenging outdoor conditions

G Master Resolution & Smooth Backgrounds
Capture minute textures and natural highlight transitions. The optical formula maintains contrast edge-to-edge so small subjects stand out without harsh artifacts.
- High clarity for print-level output
- Refined bokeh for clean subject separation
- Reliable performance on high-MP sensors

Optical SteadyShot for Macro Confidence
Close-up work magnifies movement. Built-in OSS steadies the frame for sharper handheld images, easier composition, and more watchable macro video clips.
- Stabler view for critical manual focus
- Improved keeper rate at slower speeds
- Works great alongside in-body stabilization

Comfortable Reach for Lighting & Shy Subjects
The 100mm focal length gives breathing room for strobes, snoots, and focus lights while keeping skittish subjects calm and backgrounds distraction-free.
- Space to position dual strobes
- Gentle compression for tidy backgrounds
- Less chance of casting shadows

Pro Controls & Durable Construction
Thoughtful ergonomics include a focus limiter, AF/MF switch, and customizable focus-hold—easy to actuate even when the lens is in a housing or on a rig.
- Responsive AF with reliable tracking
- Smooth, precise manual focus feel
- Weather-resistant build for demanding shoots
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- Underwater Photography Guide — lighting & strobe technique fundamentals
- Best Regulator Guide 2024 — ensure you have the perfect regulator for underwater photography
Sony FE 100mm f/2.8 Macro GM OSS — Key Specifications
- Mount & format: Sony E-mount (FE), full-frame coverage; usable on APS-C with ~150mm equivalent field of view.
- Aperture: f/2.8 to f/22; 11-blade rounded diaphragm.
- Optical design: 17 elements in 13 groups, including 2 XA and 2 ED elements; Nano AR Coating II; fluorine front element.
- Stabilization: Optical SteadyShot (OSS); supports coordinated body-lens stabilization on compatible Sony bodies.
- Autofocus & focus drive: Four XD linear motors; internal floating focus; Linear Response MF; full-time DMF; AF/MF clutch ring; focus-range limiter; dual focus-hold buttons.
- Magnification & close focus: Native 1.4× maximum magnification; minimum focus distance 0.26 m (10.2"); ~3.5" working distance at 1.4×.
- Teleconverter support: Compatible with Sony 1.4× and 2× teleconverters; up to 2.0× and 2.8× max magnification respectively; effective 140 mm f/4 or 200 mm f/5.6.
- Angle of view (FF): 24°.
- Filter thread: 67 mm.
- Controls: Aperture ring with de-click and iris lock; OSS on/off switch; focus mode switch; printed distance & magnification scales.
- Construction: Dust- & moisture-resistant design.
- Dimensions & weight: Ø 81.4 mm × 147.9 mm (3.2" × 5.8"); 646 g (1.4 lb).
- Included: Lens hood (ALC-SH173), 67 mm front cap, rear cap, lens case.
- Sony FE 100mm f/2.8 Macro GM Lens (Sony E)
- Sony ALC-SH173 Lens Hood
- Sony ALC-F67S 67mm Front Lens Cap
- Sony ALC-R1EM Rear Lens Cap Lens Case
- Limited 1-Year Manufacturer Warranty
Sony FE 100mm f/2.8 GM OSS Macro Lens
1) Who is this for, practically speaking?
This 100mm f/2.8 macro prime suits creators who need crisp detail and controlled perspective at close range, plus a comfortable working distance for small subjects.
- Product, food, jewelry, and craft photographers who need repeatable tabletop results.
- Nature and detail shooters who want subject isolation and background control.
- Hybrid photo/video users who benefit from built-in stabilization (OSS) for steadier handheld shots.
- Portrait shooters who occasionally need tight detail shots without swapping to a different focal length.
2) How do I confirm compatibility with my gear and workflow?
- Mount check: Verify your camera uses Sony’s E-mount and supports FE-type lenses. If unsure, share your exact body model with Bluewater Photo for confirmation.
- Stabilization behavior: Confirm how your camera handles lens OSS alongside any in-body stabilization; some bodies let you prioritize one or coordinate both.
- Firmware & settings: Update camera firmware and reset any legacy lens settings that could limit AF or stabilization performance.
- Rig fit: If using gimbals, cages, or housings, ensure clearance for the lens and room for focus movement. Check your port/adapter list if shooting in a housing.
- Ask an expert: Bluewater Photo can verify mount and accessory compatibility and provide setup guidance when you share your camera and accessory list.
3) Setup & pre-use checklist
- Inspect front/rear elements for dust or smudges; clean with blower and microfiber.
- Check electronic contacts are clean and dry; mount using the alignment marks—no forcing.
- Select your focus method: start with reliable AF for scouting, or MF for precise framing at high magnification.
- Enable OSS if shooting handheld; consider disabling stabilization on a locked-down tripod per your camera’s guidance.
- Run a dry-run: verify exposure, white balance, and focus behavior at the distance/magnification you’ll use.
- If using a housing or rig, confirm port fit, vacuum/pressure test (if applicable), and that controls reach AF/MF and OSS switches or menu settings.
4) When to choose Automatic vs Manual/Custom operation
- Automatic (AF, metering, OSS on): Use when lighting or subject position changes—walkaround macro, handheld detail, quick portrait accents.
- Manual/Custom (MF, exposure locked, OSS as needed): Use for controlled tabletop sets, repeatable product angles, or focus-stacking workflows where you want consistent framing.
- Practical flow: Start in auto to establish composition and baseline exposure, then lock in manual focus/exposure for consistency. Re-enable AF only if conditions change.
- Tripod/gimbal: If the camera is fully stabilized, review your body manual on stabilization—some setups work best with OSS off to avoid micro-movement.
5) Reliability, maintenance & troubleshooting
- Soft images: Reseat the lens, clean contacts, increase light, or switch to MF for high-magnification shots to avoid AF hunting.
- Shake/blur: Use OSS for handheld; on tripod, evaluate whether stabilization should be off. Test at your intended shutter speeds before the real shoot.
- Focus confidence: Use magnified live view/peaking for fine detail. Recheck focus at the start of each session and after any impact or temperature change.
- Aftercare: Wipe moisture immediately; store dry with caps on. If used inside a housing, rinse the housing with fresh water—never submerge the bare lens.
- Recommended spares: Front/rear caps, microfiber cloths, blower, and a protective pouch. Keep silica gel in your kit to manage humidity.
- Need help fast? Share your symptoms and camera model with Bluewater Photo for step-by-step checks or a tailored setup review.
Note: Features and behavior can vary by camera body, configuration, environment, and firmware. For mission-critical use, request a compatibility check and a tailored setup plan from Bluewater Photo.
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