Specx.in : ALCON AIR OPTIX AQUA COLOR

Select Lens Type

Single
For distance or near vision (har-coat,arc, blue-protect,photochromatic options)

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HARD COAT LENSES

Enhance the durability and longevity of your eyewear with our hard coat glasses, designed to withstand the demands of everyday use while maintaining exceptional clarity and comfort. Crafted with cutting-edge technology, these glasses are treated with a specialized hard coating that provides superior scratch resistance, ensuring your lenses stay clear and pristine over time

Scratch Resistance
Enhanced Durability
Clarity and Visual Comfort
Easy Maintenance

0.00

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Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

BLUE CUT LENSES

Protect your eyes from digital eye strain and harmful blue light with our innovative blue cut glasses, crafted to provide relief and comfort in todays digital world. Designed for individuals who spend extended hours in front of screens, these glasses feature specialized lenses that filter out blue light while maintaining optimal visual clarity.

Blue Light Filtering
Digital Eye Strain Relief
Enhanced Visual Contrast
UV Protection

0.00

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Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

Antireflective Lenses

Experience enhanced visual clarity and comfort with our anti-glare coating glasses, designed to reduce reflections and glare for optimal vision in all lighting conditions. Whether youre working at a computer, driving at night, or enjoying outdoor activities, these glasses offer a superior viewing experience by minimizing distractions caused by glare and reflections.

Glare Reduction
Improved Contrast
Enhanced Visual Comfort
Scratch Resistance
Easy Maintenance

400.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

PHOTOCHROMATIC LENSES

Experience optimal vision in various lighting conditions with our versatile day night glasses, designed to adapt to changing environments for enhanced comfort and clarity throughout the day. Whether youre driving during the day or at night, these glasses offer specialized lenses that optimize visibility and reduce glare, ensuring safe and clear vision at all times.

Adjust to changing light conditions
. Glare Reduction
UV Protection
Enhanced Visual Comfort

1200.00

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Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

HOYA STELLIFY Lenses ARC

HOYA STELLIFY Lenses are the epitome of modern eyewear innovation. These single vision lenses offer a perfect blend of cutting-edge technology and superior craftsmanship, ensuring a visual experience that is nothing short of stellar.

Unmatched Clarity: Advanced aspheric design minimizes distortions and aberrations, delivering crystal-clear vision across the entire lens.
Sharp Focus: Optimized for sharpness, ensuring that every detail is seen with remarkable clarity.
Slim Profile: Aspheric lenses are thinner and lighter, providing a comfortable fit and a stylish appearance.

2200.00

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Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

Miyosmart Lenses by HOYA

Miyosmart Lenses are the smart choice for proactive myopia management. Defocus Incorporated Multiple Segments (D.I.M.S.) Technology : Clinically proven to reduce the progression of myopia by an average of 60%.

MiyoSmart Lenses, the revolutionary eyewear designed to effectively manage and slow down the progression of myopia in children.
Proven Effectiveness: Clinically proven to reduce the progression of myopia by an average of 60%.
Enhanced Quality of Life: Clear, sharp vision allows children to perform better academically and enjoy daily activities without visual hindrance.

4000.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

Bifocal
For distance or near vision (har-coat,arc, blue-protect,photochromatic options)

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HARD COAT BIFOCAL LENSES

Experience enhanced versatility and convenience with bifocal glasses, offering clear vision for near and distant tasks in one stylish frame. Perfect for presbyopia, these lenses seamlessly combine two prescriptions.

Dual Prescription Lenses: Bifocal glasses have two prescriptions in one lens. Lower for reading (near vision) and upper for distance vision.
Convenience: Enjoy the convenience of a single pair of glasses for both near and distant vision tasks.
Versatility: Seamlessly transition between reading and other activities without switching glasses.
Customizable Solutions: Find the right bifocal design and frame style that suits your individual needs and preferences.

0.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

ANTIGLAIR BIFOCAL LENSES

Enhance visual comfort and convenience with our anti-glare bifocal glasses. Combining dual prescription lenses for near and distant vision with advanced anti-glare coatings, they reduce reflections and glare for optimal clarity in any lighting.

Dual Prescription Lenses: Our anti-glare bifocal glasses have two prescriptionsâ€”upper for distance vision and lower for reading. This design ensures a seamless transition between focal lengths.
Anti-Glare Coating: Advanced anti-glare coating reduces reflections from artificial light, computer screens, and headlights, minimizing eye strain and enhancing visual clarity.
Enhanced Visual Comfort: Reduce reflections and glare, minimizing eye strain during prolonged screen use or under bright lights.
Comprehensive Eye Protection: Enjoy UV protection and optional blue light filtering for healthier eyes and improved visual wellness.

1225.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

PHOTOCHROMATIC BIFOCAL LENSES

Ultimate Visual Adaptability: Our photochromic bifocal glasses adjust to changing light conditions and provide dual prescriptions for near and distant vision. They combine photochromic lenses with bifocal technology for versatility, convenience, and superior eye protection.

Photochromic Lenses: These bifocal glasses automatically darken in sunlight and UV exposure for glare protection and brighten indoors or at night, ensuring optimal vision clarity in any environment.
Dual Prescription: Enjoy two prescriptions in one lensâ€”upper for distance vision and lower for reading. Seamlessly transition between tasks without switching glasses.
UV Protection: Built-in UV protection shields your eyes from harmful rays. Photochromic lenses adapt to UV exposure for comprehensive eye care
Glare Reduction: Reduce glare and reflections from sunlight and artificial light, enhancing visual comfort and reducing eye strain during outdoor activities and screen use.

1500.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

Progressive
For distance or near vision (har-coat,arc, blue-protect,photochromatic options)

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PROGRESSIVE GLASSES

progressive glasses offer seamless transitions between near, intermediate, and distance vision.

Seamless Vision Correction: Experience smooth transitions between different focal distances without visible bifocal lines, ensuring natural and comfortable vision correction.
These lenses correct vision at multiple distances (near, intermediate, and far) without visible lines, unlike bifocals or trifocals.
The top part of the lens helps with distant vision, the middle portion covers intermediate distances, and the bottom section assists with near vision.

0.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

ANTIGALRE PROGRESSIVE GLASSES

Enhanced Vision Clarity: Our anti-glare progressive glasses offer seamless transitions between near, intermediate, and distance vision. Advanced anti-glare technology reduces glare and reflections, enhancing visual performance in various lighting conditions.

Seamless Vision Correction: Experience smooth transitions between different focal distances without visible bifocal lines, ensuring natural and comfortable vision correction.
Enhanced Visual Comfort: Reduce glare and reflections for improved visual performance, particularly in challenging lighting conditions.
Comprehensive Eye Protection: Benefit from UV protection and optional blue light filtering, promoting healthier eyes and reduced eye strain during prolonged screen use.

2350.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

PHOTOCHROMIATIC PROGRESSIVE LENSES

Discover adaptive eyewear with our photochromic progressive glasses. These lenses adjust to light conditions and provide seamless transitions between near, intermediate, and distance vision for all-day clarity and comfort.

Adaptive Photochromic Lenses: Our progressive glasses automatically darken in sunlight and lighten indoors, providing instant protection and optimal vision clarity in any environment.
Progressive Lens Technology: Benefit from lenses that seamlessly blend near, intermediate, and distance prescriptions, providing natural vision correction without visible bifocal lines.
Versatile Focusing Zones: Enjoy distinct visual zones for reading, digital devices, and distant objects, with smooth transitions between focal distances for comfortable vision.
4. UV Protection: Benefit from built-in UV protection that shields your eyes from harmful ultraviolet rays, providing comprehensive eye care and comfort during outdoor activities.

4000.00

Go Back

Upload Prescription

Upload your prescription as an image

you can easily upload your Prescription file in any of the following:
PDF, JPG, Gif, PNG, JPEG

Fill it out online

Fill it manually according to your printed prescription

	Sphere (SPH)	Cylinder (CYL)	Axis (AXI)	ADD
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Use saved prescription

Use a prescription that you've saved or shopped with before

	Sphere (SPH)	Sylinder(CYL)	Axis (AXI)
Right (OD)
Left (OS)

PD	Left	Right

i have 2 PD numbers

My Priscription includes prism

Send later

You can easily send it after checkout (we'll remind you)

Choose lens package

Value
Free

1.5 Index Basic Lenses
Standard
+$39

Lens protection

1.5 Index Basic Lenses, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Polycarbonate
+$69

Lens protection

Polycarbonate

1.59 Index high impact resistant safety lenses, Up to 22% thinner, Scratch Resistant Coating, UV Protective Coating, Anti-Reflective Coating
Premium
+$129

Lens protection

Thin Lenses

Premium coatings

1.67 Index Super Thin Lenses, Up to 35% thinner, Scratch Resistant Coating, UV Protective Coating (UV400), Premium Anti-Reflective Coating, FREE Prescription Card, + 15% off your next purchase

Not sure what to select? Call 1800-111111

Air Optix Colors are breathable monthly contacts by Alcon. They feature the Smartshield® technology to provide longer-lasting lens surface moisture and protection from deposits all month long and a 3-in-1 color technology to blend naturally with the color of eye, offering a subtle yet vibrant new look.

Material: Silicone hydrogel
Lense type: Monthly,Single,CosmaticLens
Water containt: 33.00
Thickness: 0.00
Base curve: 8.60
Diameter: 14.00
Power range:
Plano to -0.50 D to -6.00 (0.25 steps) & -6.50 to -8.00 (0.50 D steps)