How do I know which extension tube fits my camera?

Ensure your camera body has an M42 mount or you are using an M42 adapter. This Fotasy helicoid tube has M42 male and female threads, designed to connect M42 lenses to M42 mount cameras. If you are using a 39mm enlarger lens, you will need an additional 39mm-42mm adapter. This adapter does not require power and works with manual focus.

Can I use this Fotasy M42 Macro Adapter with autofocus lenses?

This Fotasy M42 Macro Adapter is designed for manual focus only. While it connects M42 lenses to M42 mount cameras, it does not retain autofocus or electronic aperture control. You will need to manually adjust focus and aperture settings for your shots. It is most useful for lenses that lack a built-in focus ring.

What is the benefit of using a helicoid tube for macro photography?

A helicoid tube like this Fotasy M42 adapter allows for precise, fine-tuned focusing at very close distances, which is essential for macro photography. It extends the lens's focusing range, enabling you to get closer to your subject and capture intricate details that are not visible with standard focusing. The 14mm movement range offers significant control.

Is this Fotasy M42 Macro Adapter compatible with my camera?

This adapter is specifically designed for M42 mount lenses and M42 mount camera bodies. If your camera does not have an M42 mount, you will need a separate adapter to convert your camera's mount to M42. It is a passive adapter, meaning it does not require power and works with manual focus lenses.

How do I use the Fotasy M42 Macro Adapter for close-up photography?

First, attach the Fotasy M42 adapter to your camera's M42 mount. Then, screw your M42 lens onto the adapter's female M42 thread. Use the helicoid's adjustable ring to extend or retract the lens, achieving precise focus for macro shots. This manual process allows for fine adjustments to capture sharp details.

Fotasy M42 Macro Adapter 17-31mm Helicoid Tube | Macro Photography Focus Control

Name: Fotasy M42 Macro Adapter 17-31mm Helicoid Tube | 14mm Movement for Macro Photography
Brand: Fotasy
SKU: cxb6497
Price: 3703.00 INR
Availability: InStock

About this item

The Fotasy M42 Macro Adapter, featuring a 17-31mm helicoid tube with 14mm of movement, is designed for M42 screw mount lenses. This adapter allows for precise manual focus control, essential for capturing detailed macro shots. Its lightweight aluminum alloy construction ensures durability while maintaining portability. Imported directly, this accessory is ideal for photographers seeking enhanced close-up capabilities.

This helicoid tube extends from 17mm to 31mm, providing a total of 14mm of adjustable focusing distance. It is particularly useful for lenses that lack a built-in focus ring, effectively transforming them into macro lenses. The adapter features standard M42 male and female threads, ensuring compatibility with a wide range of M42 mount cameras and lenses, such as Carl Zeiss and Pentax Takumar. For 39mm enlarger lenses, an additional 39mm-42mm adapter is required.

Photographers in India can leverage this tool for detailed close-up work, from intricate product shots to nature photography. All customs duties and GST are included in the listed price, with delivery facilitated by ExpressBox for reliable tracking. This adapter offers a cost-effective way to explore macro photography without needing specialized macro lenses.

Key Features

Made of light-weight aluminum alloy
Male thread: 42mm; female thread: 42mm
The Length of this Helicoid Tube 17mm(Min), 31mm(Max), it offers a total of 14mm Movement Distance for Lens Focusing.
Work with M42 screw mount lenses, such as Carl Zeiss, Pentax takumer lens. If you want to use 39mm enlarger lens with this focusing helicoid, you need an additional 39mm-42mm adapter
Very useful for lenses without focus ring. It could be used as macro barrel, and offers fine focus control for macro photography

Why choose this product

Unlock Macro Potential with Precision

This Fotasy M42 helicoid adapter provides photographers with a dedicated tool for achieving precise macro focus. Its 17-31mm adjustable length and 14mm movement range allow for fine-tuning shots that would be impossible with standard lenses. Unlike basic adapters, this helicoid offers a smooth, controlled focusing experience, essential for capturing the intricate details of small subjects. Imported directly, it ensures you receive an authentic product, ready to enhance your creative photography.

Ideal for M42 Lenses, Consider Alternatives for Other Mounts

This adapter is perfectly suited for photographers using M42 mount lenses, offering a seamless extension for macro work. If you use lenses with a 39mm thread, ensure you have the correct 39mm-42mm adapter. For Canon EF, Nikon F, or Sony E mount cameras, separate mount adapters will be required to connect your M42 lenses to those bodies before using this helicoid. Manual focus is required, so it's best suited for users comfortable with manual adjustments.

How to use

Securely screw the Fotasy M42 helicoid adapter onto your camera body's M42 mount. Ensure it is firmly attached to prevent light leaks or movement. — Attach Adapter to Camera
Screw your chosen M42 lens onto the female M42 thread of the helicoid adapter. If using a 39mm enlarger lens, first attach the 39mm-42mm adapter to the lens, then to the helicoid. — Mount Your M42 Lens
Set your camera to manual focus mode. Rotate the helicoid's ring to extend or retract the lens, achieving precise focus for your macro subject. Adjust aperture on the lens as needed. — Adjust Focus Manually

Example scenarios

Typical situations where Fotasy M42 Macro Adapter 17-31mm Helicoid Tube | 14mm Movement for Macro Photography helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A photographer in Delhi wants to capture intricate details of jewelry for e-commerce listings.

How this product helps

This Fotasy M42 helicoid adapter allows precise manual focus control, enabling sharp close-ups of small items like jewelry. By attaching an M42 lens, photographers can achieve macro magnification without investing in expensive dedicated macro lenses, saving costs.

Scenario 2

Illustrative example

Where it helps

A hobbyist in Kolkata uses vintage M42 lenses and wants to explore macro photography without buying new lenses.

How this product helps

This adapter is perfect for vintage M42 lenses, providing the necessary extension for macro shots. It allows users to utilize their existing lens collection for close-up photography, offering a cost-effective entry into macro without needing specialized equipment.

Technical specifications

Setup & usage

Compatibility	M42 screw mount lenses and cameras. May require additional 39mm-42mm adapter for 39mm enlarger lenses.
Use Case	Macro photography, close-up shots, lenses without focus rings.
Focusing	Manual focus only
Cost per use	This is a durable accessory, not a consumable. Cost per use is not applicable.
Shelf life after opening	N/A (Durable accessory)
Reapplication math	N/A (Durable accessory)
Contraindications	Requires M42 mount camera body or adapter. Manual focus only.
Allergens / common irritants	None

How we compare

Feature	Fotasy M42 Macro	Others
Focusing Mechanism	Manual helicoid adjustment (14mm movement)	Varies; some local macro lenses offer manual focus rings, others may have limited close-focus capabilities.
Build Material	Lightweight aluminum alloy	Varies; some local options may be plastic, others metal.
Lens Mount Compatibility	M42 male and female threads	Typically camera-specific mounts (e.g., Canon EF, Nikon F) or generic adapters.
Macro Capability	Enables close-up focus for lenses without focus rings	Dedicated macro lenses offer higher magnification but are significantly more expensive.
Cost-Effectiveness	Affordable way to achieve macro effects with existing lenses	Dedicated macro lenses can cost ₹15,000+; basic extension tubes are cheaper but lack fine focus.

SKU	cxb6497
GTIN	0662578165422
Brand	Fotasy
Model Name	M421731
Part Number	FH42M
Lens Mount	M42
Focus Type	Manual Focus
Zoom Type	Fixed
Material	Aluminum Alloy
Helicoid Length	17mm (Min) - 31mm (Max)
Movement Distance	14mm
Male Thread	42mm
Female Thread	42mm
Item Dimensions (L x W x H)	68.58mm x 66.04mm x 66.04mm (approx. 2.7 x 2.6 x 2.6 inches)
Item Package Weight	0.068 kg (approx. 0.15 lbs)
Included Components	1x M42 Focusing Helicoid Adapter
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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Fotasy M42 Macro Adapter 17-31mm Helicoid Tube | 14mm Movement for Macro Photography

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About this item

Key Features

Why choose this product

How to use

Example scenarios

Technical specifications

Setup & usage

How we compare

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